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N55 afr. So far no issues with lean codes or AFR issues, .

N55 afr. This is happening continuously.


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N55 afr N55: moving the MAF to a new intake. Just got a N55 and had a few questions. tuning #bmwn55 #bmwn55bigturbo #n55tuning #n55singleturbo #bmwm2 #bmwm235i #bmwmotorsport #bmwm135i #bmw435i". 9 ~ 28PSI @ 91 Oct / No Methanol / Stock Turbo/Stock Fuel Syst @bps_mx @protuner_solution_mx Dyno @dynocom Owner @octavioaguilar_mondragon". BMW N55 BM3 stage 1 & stage 2 tunes. 8 N55 oil smell like fuel Few days ago, I have asked on fb group about the fuel in oil smell and possible leaking injectors. Any ideas? 96k miles . As a result, the values in Fuel (Bank 1) and Fuel (Bank 2) are a closed loop target that the DME will always work to achieve. You paid money for a tune and it shouldnt drive worse than stock. Last edited: Jan 25, 2021. 206 likes, 9 comments - bymfabrication on July 18, 2024: "Bym big turbo N55 product reveal ! What’s included in our kits . 15 to AFR 11. - Price N55,000 Shop Now. com. Exclusive Beaded adire kaftan Fabric: Adire crepe Price: N55,000 . Drives: 2010 E92 335i. Jump to Latest Leave the O2 sensor's alone, they clearly are capable of controlling the AFR. 1. 3. 3 - 16. Does anyone have data on how much flow it should read @ 1000rpm? Disconnecting it the car run better _____ M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for boost/meth/afr, etc,. @jakewothers110 stage 3 135i loving its port meth & @boostaddicts_yt Hybrid turbo, sounding @afr. - (%) Actual Load - (Load) Baro Pressure - (PSI, kPA, kPA) Battery Voltage - (V) N55 Misfires Cold Start. Anti-Lag All new CustomROM tunes come with our fixed BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Car into LIMP MODE Help you are having some very weird numbers for your AFR and your Fuel Rail Pressure which dips to a very low value. when going for a higher boost level your aim is to prevent the car from having a lean AFR either by increasing fuel octane or volume. “The N55 EV is our BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > E92 N55 not hitting target boost Google Search I have tried everything to try and dial these values in with all 4 cats connected to the car. Both I have a bmw 2011 335i (n55) 35k miles. The car feels more powerful but my gas mileage has gone to hell. When pushing the N55 limits, a small issue can turn into a major one. Support & Log Review. The BMW N55 utilizes internal wide-band oxygen sensors to monitor fuel mixtures. The car came with a catless downpipe and and upgraded charge pipe. Other than boost control all of it applies to N55-PWG cars too. Only at idle. 100% means wastegate is 100% closed in general ) Here's a very good simple article of load I already saw some N55 engines with pure turbos with +-21 PSI logging around 12. If you hook up an ODB2 diagnostic tool you should be able to watch the O2 readings. We have tons of content for the N55, and we’re always adding more. Dejan. BMW N55 FAQ's. F40Model Year : 2019 + Previous Generations MAF without a correcting tune you will lose power and you computer will constantly be trying to adjust things as the AFR it will get from the O2 sensor will not tie in with the air it thinks is coming in from the MAF sensor. . My car misfires only on cold starts for about a a few seconds to a minute. Its going to vary depending on engine RPM, engine load, IATs, along with other parameters i am sure as well. E81 / E82 / N55 Code P0171 Bank 1 Too Lean with Cold Air Intake. Bolt on upgrades: Decat downpipe, Stepped intercooler, MST Performance intake kit for BMW 2, 3 & 4 Series cars that are equipped with the N55 engine, including the BMW M2 (F87). Use of a positive number will add to the preceding target AFR resulting in a leaner final AFR. So it doenst happen instantly. Appreciate 0 Quote 07-22-2016, 12:51 PM #15: Jadar. Overall Adding power to these cars often means manupulating boost, timing, and AFR to achieve more power. 522 JAC Motors’ state-of-the-art fault diagnostic and vehicle monitoring and control systems are standard fitment, ensuring that the N55’s health always surpasses the expectation levels of transport operators. The BMW N55 utilizes manifold absolute So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for Near that 4K mark is where AFR tends to target lower, 12. 0. tuning on October 17, 2023: "N55 stock turbo sauce BMW 335I F30 RWD Specs -Downpipe -intercooler -intake -Bosch Tu pump Car came in with an stage 2 OTS map Made 418HP & 524NM / 100-200= 9. 5″ Turbo to Downpipe V-Band Exhaust Clamp for BMW 135i, 335i, 535i, 640i, Z4, M3, M4, M5, M6 N54/N55/S55/N63/S63 11657620508. 90 is 10% fuel pulled, etc. 5 AFR with E30 (similar to our gas here in Brazi that is around E25 E27,5) under WOT. 8 afr (the commanded afr). 5-14. 197 likes, 9 comments - bymfabrication on July 18, 2024: "Bym big turbo N55 product reveal ! What’s included in our kits . @Evernky_exquisite_fashion This beauty is available for your orders. Appreciate 0 Quote 10-14-2023, 05:26 PM #12: SlowE92. Drivetrain: Stock DCT clutch pack with 60,000 miles, M2/3/4 flywheel, xHP stage 3 2011 335i (n55). The DME is setting the target. _____ M135i 8AT PWG, MHD, Pure Stage2 I was wondering about that considering the AFR they run under load. The downpipes gain solid power across the entire power band plus it reduces lag and makes for an amazing sound. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Correct JB4 settings? Thread Tools: Search this Thread 03-08-2019 Your last safety was for lean AFR. Location: Michigan Ave. F40 Model Year: 2019 + Previous 335i stage 1 Vargas , stage 2 lpfp , intake, ER downpipe, awe full exhaust, Phoenix fmic , jb4 map 7 50/50 e85/93 my afr a little high during full throttle . **The N54 O2 sensors read lambda NOT actual AFR’s. I have a 2011 335i X Your STFT gets very negative (pulling fuel out to keep AFR on target) as your rpm's rise, which could be explained by a boost leak. It takes work. N55 JB4 Overboost/AFR Issue - Page 2. 10 is 10% fuel added and . F40Model Year: 2019 + Previous Generations; F20 / F21 Manuel, I’m actually struggling with the same problem --> AFR falls below 11. BMW E-Chassis Walbro Stage 2 LPFP Upgrade for the N54 & N55 Motors BMW E-Chassis Walbro Stage 2 LPFP Upgrade for the N54 & N55 Motors Retail Price $549. I'm getting a sudden drop in AFR (12. 4,194. G42Model Year: 2021 + F44Model Year: 2020 + Previous Trying to learn how to tune my N55 myself. 2-12. I won't touch on it too much here (since Looking at the log above, besides the timing correction on cylinder 1 (which I will try to fix by adding a bit more E), everything looks to be normal except the AFR between 5. It is rather rare for this to Realme Narzo N55 internal storage base variant of 4 GB, 8 GB Ram, 64 GB, 128 GB Internal Memory (ROM). Blog. A few things we've However, higher (leaner) AFR’s are normal on direct injected engines like the N54. At first i thought it could be the hpfp because my mechanic told me that can be the cause so i decided to take out the mhd scanned In normally aspirated engines, a stoichiometric mixture is one that is 14. 7 which is a happy place for a Direct injection car. Currently only the stage 1 maps (stg1 and 1+ N55: moving the maf to a new intake bmw series coupe forum, 50% off Mass air flow sensorSensor mass air flow e60 bmw replacement large series 2003 connector extra fuel techarticles pelicanparts 2004 e320 outside temperature sensor locationBmw e60 5-series mass air flow sensor replacement (2003-2010). AFR Tuning. Skip to content. 0 AFR. Appreciate 0 Tweet. Thank you for the simple yet informative info - makes a lot of sense now. I assume our AFR readings from data logs are just an average across both banks. Boost should be close to target with pid based times as well. According to BMS, AFR levels reported in logs come from the DME. Hi I am suspecting my MAF to be bad causing stumble and erratic AFR at idle. In Wot, the WGDC is always 0 and AFR is very high. Collapse. tuning on February 10, 2024: "N55 making some BIG POWER BMW M2 with @bymfabrication big turbo kit Bottom mount GTX3584R Making 731WHP & 934NM ‼️(STOCK ENGINE ) Fueling -TU HPFP & Port meth + E50 Custom tuned on @mhd. On the Lexus 'dual injection' engines that have both port and direct injection (2GR-FSE, 3. Hey everybody, I just changed all the coils and plugs on my n55 due to misfiring. I called the local BMW dealer and made an appointment and wanted to double check if it would be covered since the car it's CPO until 12/16 but they could not confirm. 5" Competition HD FMIC, Masata CP, BMS Intake, M3 Strut Brace, MHD STG2+ 98 RON. A few things we've So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for boost/meth/afr, etc,. Does anyone have a tip where to start? Thanks Attached One thing that is bothering me is the intermittent rough idle this N55 engine has but nothing visible on the RPM indicator. odd. here is where the M3 HPFP swap/upgrade stock one comes in handy. HOW TO ORDER 1. 5L This aluminum intake manifold for N55 engines will allow you a better performance on your build. 5:1 AFR target for all light load which is good for both economy and should get rid of any smell too If your target is 500hp, then the n55 with pure stage 2 and a tune and high flow downpipe and an intercooler are probably going to get you close to that reliably enough. Appreciate 0 Quote 06-24-2022, 11:06 AM #9: njang92. E81 / E82 / E87 / E88Model Year: 2004 - 2011. While having the same Stoichiometric AFR for N55 with COBB Stage 1. 0 inline-6 turbo engine. 3597 to 4558 rpm VRSF 3. So even changing the AFR BIAS figures in the user setting would NOT affect the values reported in the logs, as the JB4 sits AFTER the DME. Warm OK codes 118401 and 118001 If the AFR is not moving then you have an O2, wiring, or software issue. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications: AFR N55. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: Then your O2 sensor detects the lean condition, and has to add a Correct but the N55 is running closed loop - also under WOT. Join Date: Dec 2010. 2011 335xi M-Sport | MHD E40 | VSRF DP/CP | Wagner IC | GFB DV+ | xHP Stage 3 | Dinan/Koni/UUC Reading this thread I am looking also in my engine a little differences between banks: 0. It turned o *Note 1*: on some engine variants like the S55 and N55 (excluding the m2), BM3 will offer free OTS MAPS that are actually the higher powered OEM variants from these What's the AFR at full boost with B58 + JB4 ? Bimmerpost ☰ Model Selection. Pure Turbos Stage 3 (PS3) dyno results for N55. With more power comes higher combustion chamber temps and an increase in a "super knock" situation which is where the piston is hit so hard with detonation that it hammers the piston and rod so violently that the rod momentarily breaks through rod and rod In this video I show you how I was able to diagnose my bad O2 sensor . 4 by 4K rpm it jumps to 16. Includes a performance nanofibre dry air filter, fitting kit, aluminium intake pipe with CNC machined MAF housing AFR also plays a major role, octane could obv cause it like you say, but sometimes as a tuner can richen AFR and that results in lower uch EGT, lower cylinder temps, Because I've seen many enough - with N55 EWG hybrid STG2 turbo, the 450whp normally comes with 19-20psi (more importantly high filling %) and maxed out timing. This kit going to @n55_weapon @afr. Rep. It's going to be leaner than that. News * 93 Octane Pump Gas+Meth Dorch Stage 2 HPFP LPFP: 520+whp Custom tuning for N55 Stock turbos/stock fuel system is available for pump gas, race gas, and ethanol blends with methanol injection. If your solenoid is buzzing then that probably is the culprit. F Chassis N55 BM3 tuning. 5 - 19 reviews $ 18. 7 parts air to 1 part fuel to create the air/fuel mixture (AFR). I'm in the middle of tuning mine, but I want to make sure what - What's the proper AFR with PI integrated? Thanks in advance, Attached is a log with Fuel Biases set to 50 across Comparison between stock vs stage 2 upgrades on 135i N55 DCT. Bootmod3 horsepower gains, and mods. AFR is now a tad richer, this works much better on all octanes, minimizing ignition correction on lower quality fuels. I just got an aam midpipe and axleback exhaust and I love it. Drives: 2013 E92 Bmw N55 Turbo Diagram Bmw N55 (f/e Series) (91acn, 93oct, 98; Bmw M60 Wiring Diagram [diagram] Bmw E34 540i Wiring Diagram; Bmw E46 320d Engine Diagram Bmw 320d E46 Motor; Bmw N54 Cooling System Diagram Diagram Bmw Coolant Hose 2008; Bmw Real Eom Diagrams Bmw E46 Wiring Diagram Model-Specific Engine Tuning & Modification Discussion. No luck, eventually in closed loop the car will deviate. E92 '08 335Xi 6AT - Cobb AP3 Tuned by MAC Autosport, Original Prototype Xi DOCRace 6266 Single Turbo Swap, VRSF CP w/Synapse BOV, VRSF 7" FMIC, BMS Cowl, H&R Coilovers, Renn Motorsport RS-51's, Stoptech Stage 2 Slotted, xHP Stage 3, N55 boost loss. _____ Current 23 G80 M3x | 20 X7 M50 Previous 20 X4M, F90 M5, F80 M3 IG: @bmwF9xG80. These are some of the available monitors: Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Temperature, High Pressure Fuel Pump (HPFP), Throttle Position, Wastegate Duty-Cycle (WGDC), RPM, Speed, EGT etc. 400whp is 470hp assuming 15% N55 MAF flow data. Before the exhaust I could easily get 18 to 23+ mpg now I can barely get 13. A "tired" O2 can give symptoms For my car, I've got to keep loads at 190 or less and run no richer than 12. Read JB4's tutorial on how to datalog, and adjust your JB4, how to read your HPFP, FOL, etc. F40Model Year: 2019 + Previous Dinan CAI/N55 PWG BIG TURBO|BMWF30. tuning #bmwn55 #bmwn55bigturbo #n55tuning #n55singleturbo #bmwm2 #bmwm235i #bmwmotorsport BMW N55 Tuning Guide. Thing is, after reading several posts on n54tech, I'm unsure if the AFR levels reported by JB4 logs reflect actual AFR. The car has the following modifications: Turbosystems Stage 1 turbo - slighlty smaller than PS2 Dorch Stage 1 HPFP Pure Turbos Inlet Wagner Tuning DP with 200 cells catalyst He also lowered AFT target from 12. AFR doesn't fluctuant much other than when it misses so I'm not sure if an injector is going, but it's on the table. WGM BMW 35i / N55 Engine Remap Service Stage 1-3 WGM BMW N55 ECU Tuning software Service Includes: Custom ECU Software - ECUTEK Racerom Option Rolling Road (Dyno) Session Before and After Print Outs Boost / The boost pressure on the standard N55 engine is 0. tuning #bmwn55 #bmwn55bigturbo #n55tuning #n55singleturbo #bmwm2 #bmwm235i #bmwmotorsport #bmwm135i #bmw435i E92 335i N55 - Wagner HF DP, Magnaflow Catback, VRSF 7. Accesstuner Support for Honda. With a toggle switch in the cockpit. OEM M2 map is really great learning maps on how to self-tune your N55-EWG cars with BM3. If O2 Pre cat is selected as well as AFR and RPM. They have been extensively road and dyno tested, just 251 likes, 5 comments - ja_salva on June 20, 2024: " +460hp & 550lb-pie / +420whp BMW M135 N55 Stage 2 Custom Tuned ECU/ TCU ‍ Ganando +100whp / +150hp y un torque brutal / AFR 11. I'm pretty sure I could limit boost to around 17 and taper to 12, get AFR a bit leaner, and increase rail pressure request to run E40 reliably but I'd rather run 19 or 20 tapering to around 15 on E30. Posts; Latest Activity; Photos . 5-0. In addition, the N55 engine was the basis for It's not that easy. WGCD=0 and AFR too high in WOT. F40Model Year: 2019 + Previous Generations Do 20% and slowly work up by reading your data logs, you will need to adjust the FOL higher to bring the AFR's down. Discuss all things tuning in this section. 4 from about 2200-4300 RPM, then stays in the 14. 11): fixed rich AFR occurences, load slightly decreased for e85 stg2/2+ maps (injector limit). 6 AFR at full throttle, and some timing corrections. Appreciate 0 Quote 08-21-2019, 05:24 PM The ONLY thing you need to be aware of is AFR, point blank. You should N55 with FBO, mhd stage 0 tune. Audis have had similar issues, I think. S63 Yeah N55 can't really go below around 1500psi rail pressure without breaking up so just a LPFP upgrade doesn't even really help. The DME is setting Unlike the N54, the N55 is also equipped with a MAF sensor that is utilized in parts of the DME logic, mostly for WGDC/Boost control. Quote 06-24-2019 AFR should be in the 12's, which yours is at other times. 8 AFR, but only in 1800-3600RPM Full Load area! In this case, it's better to tune all richer maintaining all Bank1 & Bank2 MAX AFR below 12. Also, the shape of the AFR curve is the same as the HPFP curve. But based on the trims I can tell there is still E85 in there. ⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️ @evernky_exquisite_fashion M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Max boost you're getting on a standard car Post Reply. And why the ignition is so It is also normal to have the AFR display 235:1 when car is coasting in gear or under a misfiring condition where the DME will cut off fuel to the misfiring cylinder(s). Appreciate 0 Weird, the tables for the N55 actually had AFR rather than lambda. For all cylinders and random misfire. (click link in bio to Join our group) ***** Production time: 7-10working days Kindly send a DM to Order . RuskiRacer Captain. It’s going to need an oil pan gasket soon as well as new This map utilizes units of AFR as the units. I have ordered a new O2 sensor - will report if itsolve the problem. Frequently asked questions A lean AFR code is typically the result of the DME changing the fuel trim over time until it hits a limit. I used the torqe app to datalog my afr and it says im at 18. 5 at high load in order to lean out the AFR from (for example) 11:1 at very high load on pump fuel to a cleaner and crisper 11. 00 USD Retail Dyno - Map 7 - N55 - 360whp, 444wtq. Accesstuner Support for Mazda. 99. All Time Today Last Week Last Month. Gotta go stage 2 with perhaps upgraded fueling. Thank you very much ! Clayton Misfire Log . Probably explains why boost is lower. 2 done by a shop under extended warranty because of codes coming up and the other 4 done by me because car kept misfiring and they quoted $1,200 These are target tables; they are used by the DME to set the desired AFR. We can see that for a Stock 335 N55 with custom cobb tune (only mods are Cobb air filter and post intercooler boost tube). F40Model Year : 2019 + Previous Generations; F20 / F21 Tuning: The tune I ran on (Bank 1)[AFR] - Same as Lambda[AFR] credit cookiesowns; Lambda Control Factor (Bank 1) - Faster[AFR] - Lambda converted to AFR with factor credit Wastegate Duty cycle of Bank 1 ( N55 only has 1 bank ) ( basically percentage of wasgate. A big thanks to Pure Turbos for releasing another awesome product for the E series N55. Comes with injection rail and an 2011 BMW 335i e92 N55 FBO MHD S2+ _____ 2009 BMW 335i 6MT - DOC RACE 6266 BB IG: @Verifyez. Pos. . Also STFT. Only throws misfire codes. 5" Dual Slash Cut Tips Mid Mounted Muffler 289 likes, 5 comments - afr. AFR varies a bit more, but the DME doesn't report AFR, it reports lambda. Quote 10-08-2020, 12:13 AM My 335 had idle issues and It's time for MHD to enter the open beta state on N55 E Series! You'll find below the product description. The stock HPFP on the F-series N55 is undersized, to the point of running out of volume with FBO on 100oct, map7. 7, or I must consider a mid value? after 4000RPM everything the AFR was balanced ankaraexclusive on November 6, 2024: "Batik SET at It’s finest . We produce in Wholesale for boutique, individuals, online stores, dropshipping etc. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 PURE Stage 2 Turbo Upgrade - New World Record !!! Having a basic understanding of data logging and reading logs is also helpful. Issues After Going 1-Step Colder N55 E. Previously had E39 525i and E60 525i but both of them had smooth idle. Stock run was 200kw (232kw spike) 411nm. Results will vary depending on the In addition to increasing boost and adjusting AFR etc, Everything I've read about catted downpipes installed on stock tune M235s and N55 M2s has been quite positive. F40Model Year : 2019 + Previous Generations; F20 Would you know if AFR goes under a different name on MHD? Also I a unaware of how to reset adaptations. This is happening continuously. World's First, Most Advanced and Widely Adopted cloud-based flash tuning platform for the BMW F and G series vehicles! Our latest development includes the addition of the bootmod3 N55 Surging, Stalling, and Multiple Misfire Thread Tools: Search this Thread 05-12-2021, 08: Got that squared away and now my constant miss is gone, just the random miss with crappy idle remains. I think the M2's N55 with its forged internals can handle the added boost, just not sure how long before problems arise. afr question BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > *** bootmod3: N55-PWG172X v8. It starts at 14. tuning". Yup seems afr are indeed a tad rich. The target lambda also varies from tuner to tuner, and widely at that. (MapSwitching,FlexFuel,AntiLag) N55 EWG Engine Support and the New Map Editor - Now Available! For details refer to this link: bootmod3 CustomROM V1 Features + New Map Editor + UI Enhancements. First Lieutenant . 124. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Stalled in park, 2BF4, 2BEA, 2BC0, 2C42 causing the AFR to dip for a split second. I don’t think the product is posted on their website but if I 9. 5:1. I remain within 60 psi (generally within 30-50) for rail pressure, so I assume that's good. Realme Narzo N55 which is available in Prime Black, Prime Blue colour. tuning bringing it all together #135i #n55 N55 (535i) with 170k miles checking in, since I’ve owned it I’ve done the alternator, HPFP, HP fuel sensor, plugs, coils, water pump and thermostat and a few oil changes. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap N55 CEL Codes for Failing Water Hi Harkes, seems like you and Jeremy diverge with interpreting the data unless I am misunderstanding (totally possible). X. The software issue being the least likely. Tags lambda sensor o2 sensor. Left blank by default, the pictured table uses +. Drives: 2018 Audi S3. Courses. Frequently asked questions about BMW N55 Engine. 9 just bouncing around slightly, the other bank afr reads 13. Reactions: doublespaces. While on the road for awhile one bank afr will read 14. Range is anywhere from 15. Last edited by WrxToBeamerGuy; 08-26-2022 at 01:20 AM. 6-14. Announcement The only difference between the n54 and n55 exhaust manifolds are the mounting holes in a few of the locations on the head. 2 or lower depending on tune. Features: T304 Stainless Steel 3. 43. N55 FBO, Proturn + aFe Stg 2 Dyno. Enlisted Member . 3. Appreciate 0 Quote 08-27-2022, 01:43 AM #5: WrxToBeamerGuy. The sensors are located in the down pipe. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 I'm looking for some examples on your PI Settings with the Fuel-it Port Injection Controller integrated to the JB4 on a N55 PWG with Pure Stage 2 kit. It looks like the car went lean, STFTs added a bunch of fuel, HPFP pressure dropped and the car went too rich, then AFR went back up and stabilized and HPFP recovered. We also 63 likes, 1 comments - afr. The codes say the DME is adding 25-30+% fuel because the engine is running lean. 5:1 afr. In general these cars tend to target a leaner AFR in comparison to what you would tune an older car with a turbo kit for. Jul 17, 2019 1,209 758 0 Ride New to MHD, running Stage 1 on 2012 e82 135i N55 Ran my first log on the commute to work this morning - thought I'd start logging, for two reasons; 1) Have a prominent hesitation on light throttle, around 1600-1800rpm 2) slight misfire at idle when warm (random "pops" - quite noticieable) These are target tables; they are used by the DME to set the desired AFR. Car: BMW 335i 2011 E90 N55 PWG Upgrades: Hybrid turbo (made in Brazil, but similar dimesions of a Pure stg2) BMS intercooler 5" BMS Intake Pure inlet pipe N20 TMAP sensor JB4 / bluetooth Problem: While runnig the base map (also made here in Brazil) the car runs fine, but as Target AFR; Ignition Timing; Fuel Delivery including fuel pump calibration (using the same style pump as OEM) N55 models will typically get an upgrade to the high So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for boost/meth/afr, etc,. Filter. iTrader: Garage List Model-Specific Engine Tuning & Modification Discussion. About; Contact Us; Otherwise, keep an eye on AFR’s to M Overrun Brap (not pops) on regular F3x N55 like M2 N55 has it General Tuning Discussion Forum Posts. The tune was developed by @JPuehl, @Stokes, and myself via MHD. they are used by the DME to set the desired AFR. AFR started hanging around 200 and/or bouncing off 235. Thanks to its larger ducts and its shape, it accelerates the flow of air that enters your engine. This is a Hey guys, quick update on something new we've added and changed for all BM3 users. Lieutenant BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Coding the N55 for E100 fueling Additionally, we will happily provide free logs analysis. A few things we've learned about the n55: 1) On pump gas, expect 340-350whp/370-380lbt-ft TUNE ONLY at 14-15psi peak. This is in line with tune only n54 engines. 9sec Our custom pump fuel tune 447HP & 621NM / 100-200 = 8,79sec Custom e40 tune 478HP & 733NM 100-200 = 7,93sec / corrected 7,83sec Optimal AFR levels at WOT. I have an N55 so only 1 "bank," but, AFR always settled to 235 until I started having an injector issue. 5k-7k My N55 typically has higher AFR's on tip in. Bym big turbo N55 product reveal ! This kit going to @n55_weapon @afr. You also said your car sounds differently F30 N55 crazy AFR after Pure Stage 2, Dorch, JB4, MHD backend. The engine management system is now Bosch MEVD17. 4 then by 6500rpm it New Update for MHD Flasher F+G Series: MHD+ Menu System for all S55 and N55 F-Series cars! Todays update S55 map update (v1. Questions: Can someone pls help to check if this AFR in the base map is OK or its too rich? How should be an OK AFR for an N55 engine running E30 fuel? Tks in advance :-) COBB AP on N55 - PROs and (many) CONs. In BM3 STFTs are as a whole number, so 1 is no corrections, >1 is adding fuel, and <1 is pulling fuel, where 1. 4 - 14. ankaraexclusive on December 24, 2024: "Now taking orders. Page of 1. Obviously, one that has less air is richer and Our first release of the bootmod3 CustomROM is now ready for the N55 engine vehicles while we continue to work on adding these features to other vehicles in the bootmod3 lineup. Join Date: Sep 2023 Getting around 14. 0 OTS maps - Now Available! Google Search BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > 2015 - Cold engine hesitation. Let me know your thoughts! Thanks! Appreciate 0 Quote The AFR target is a parameters in the log. Captain . F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Switching to fifth we see the AFR drop to 11. My car is a BMW F30 with the N55 engine and PWG Turbo. For MHD OTS tunes, the actual boost generally falls pretty short of target boost, if it wasn't for your really negative STFT, We offer a wide selection of OTS maps for the N55 engine suitable for many different vehicle modifications and octane levels. It seems clear that I have a problem. t r n o o e s S p d e g 4 r c 3 f 0 N55 stock turbo sauce BMW 335I F30 RWD Specs -Downpipe -intercooler -intake -Bosch Tu pump Car came in with an stage 2 OTS map Made 418HP & 524NM / 100-200= 9. Hope you can sort it and push boost further! Appreciate 0 Quote 01-14-2016, 12:42 2. I'd pull the plugs and see if you have any that look wet and/or fouled. Accel Ped. Happens every cycle of the crank. 8) during WOT pull and it holds it very rich even into the next gear. Accesstuner Support for Ford. I have a 2008 BMW 335i with the N54 twin turbo inline 6 cylinder engine. The remaining columns are Rpm, Target (boost target set by the JB4), Boost (actual boost pressure at the manifold), IAT (intake air temp), PWM (pulse width modulation), FP_H (High Pressure Fuel Pump), IGN1 (Ignition N55 Vacuum leak. Find the max allowable boost according to AFR /lean/rich and bam, you have your max boost settings, if you use a dual stage boost controller, one set there for fun times, the other stage is set to stock for DD. BMW N55 general information, standard maintenance, common problems, tuning, and modding. Realme Narzo N55 Full Specifications. 9 range from 4300 - 5400. Appreciate 0 Quote 11-29-2017, 05:40 AM #25: PackPride85. Replaced injector 2 and 6 (plugs looked to be too rich) and now it settles back to 235 quickly and stays there. A HPFP failing can immediately lead to low fuel pressure, misfires and dangerous lean Without a doubt, the VRSF 3″ Catback Exhaust for your N54 & N55 135i is THE most cost effective option in the market. Posts. You want to keep an eye on the engine parameters often. F40Model Year: 2019 + Previous 2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Optimal AFR levels at WOT - Custom MHD tune including ~15. Diagnosis was done only with the smell of the oil by the mechanik, so I was not happy with this kind of ‚diagnoses’ and want to be sure if i ethanol mixture on stock n55. I'm going with the majority in saying its a leak in the system and if it is, logs will show AFR's out of the norm. Search. The tuner sets the target lambda based on a variety of conditions. This exhaust is made from the highest quality 304 grade, mandrel bent stainless steel and we include super-flex, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright So far no issues with lean codes or AFR issues, The e series n55 is challenging to dial in using pid. Knocking noise at start up and when engine is cold. The target lambda does vary with ethanol content, but not very much. It also likely retards the timing while transitioning, both to stay away from the knock limit during rapidly changing AFR conditions as well as focus more of the heat energy into the exhaust to spool up the turbo. Sort by date Sort by votes R. Hide legend Reset zoom . Air Fuel Ratio (AFR) - A leaner mixture is more prone to pre-ignition, where a richer mixture has a much lower flame front velocity. I've never experienced any The AFR target is a parameters in the log. This map utilizes units of AFR as the units. 9sec Our custom pump fuel tune 447HP & 621NM / 100-200 = 8,79sec Custom e40 tune 478HP & 733NM 100-200 = 7,93sec / corrected 7,83sec E70 N55 Engine Lambda voltage. Name: Then, it uses the O2 sensor to see what the actual AFR is, and uses STFT to add or subtract fuel to reach the target AFR. They are cyclical BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > BM3 Stage 2 Log Review, 14' 335i xDrive N55 Google Search Search Forums BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > IS MY AFR Way to high??? Google Search Search Forums The N55 generally replaced the N54 in most applications, especially after the release of the N55HP in 2011 for 2012 models, but high-output versions of the N54 remain in production. Don’t miss our N55 400+hp guide or N55 engine problems article. 7 to 10. I’ve got a 2011 e92 335i purchased last Monday. Therefore, E85 mixtures will not read richer AFR’s even though actual AFR’s I think this is normal since others with N55's have reported similar behavior, and that this is BMW's way of dealing with some of the challenges that cold starts with direct injection presents. I’m also curious about the Lambda AFR numbers and why it seems to have gone off the charts. Screenshot the Outfit of choice. Bimmerpost ☰ Model Selection. 0L I6 Does not fit models with M series rear valance. If any instance occurs that doesn't meet those limits, I get misfires. N55. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Learn about N55 Bootmod3 tunes. The N55B30 engine was used in BMW’s 35i and 40i cars. But that won't cause your AFR's to go lean, or cause stalling at a stop (the vacuum in that line comes from a vac pump, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright **Bolded Monitors indicate default data log parameter. 65 bar. 5 degrees timing, 12. The BMW N54 uses two internal wide-band oxygen sensors to monitor fuel mixtures one in the front and rear engine banks, sensors are located in each down pipe respectively. 2. Sale! + This product Special Order Item Fitment: 2008-2013 135i N54 / N55 3. 411. 2. On this specific log it is interesting to note that in this log the AFR in 4th gear ranges from 13. 1767. The app is in an open beta state. Our page dedicated to the amazing BMW N55 3. These are some of the available monitors: Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Temperature, High Pressure Fuel Pump N55 EWG (electronic wastgate) Stage 1 (up to 360HP/540NM) - 91oct/95ron, 93oct/98ron, 95oct /102ron Bym big turbo N55 product reveal ! What’s included in our kits . 0 post Its just a correlation though, not necessarily causation. Send the Screenshot to the Designer Below. Time. It is fully functional but may need here and there some polish. Since there is a pressure sensor before the HPFP, this means the DME is having to pull fuel to meet AFR targets and if the trim is above "1", this means the DME is having to add fueling to meet AFR targets. Tech Articles. Page I’d be worried seeing n55 AFR @16+. nnrn icytl tcbc ucsni gme lwsj qmk rzye lqi ftbs