- who has done a downpipe install ?
- rattle noise after Cp-e DP
- Noob
- Disabling auto clear jb4
- Carbon Build, Injectors or something else
- I need some psi/vacuum info
- Question - M3 vs 335is engine specs
- Squealing Noise While Running Cold
- I think my FlexFuel is broken
- Should I? Cobb Stage 2 Sport + FMIC ST
- O2 codes
- Benefits of a FULL 3" exhaust
- jb4 update settings and questions
- Flash suggestion?
- Does Cobb increase water pump speeds with their tune?
- Shift lag and uncontrollable boost spike with (datalogs)
- DP fix and inspection question.
- ST, Top or bottom mount? arguments only
- VVT ShotGun
- New to Cobb, need datalog advice
- Anyone calibrated Wastegates ?
- ON3Performance 335I Single Turbo kit
- Help jb4 + plugs
- Stage 2 LPFP - Fuel It Full Assembly
- E92 and INPA for injector coding
- V band turbo gasket
- Water pump and thermostat
- oil cooler upgrade
- New to jb4 need map advise
- any Wedge tune IJE0S 6AT's
- Carbon buildup on plugs/injectors
- Meth Port Injection V2
- Stumbling after injector install
- half engine light for a couple minutes
- Check engine light after installing CObb v3 n54
- DIY Fuel Injector Install
- Need help with injector circuit codes
- Active Autowerke Race Intercooler
- Castrol 0W-40 European formula 5 QT jug at Walmart
- How to log STFT/LTFT in BT cable?
- Stolen Cobb AP
- 2 step backfire?
- Code List?
- Need help ! Codes !
- howl / whine under boost (brand new turbos)
- rpm unstable when warm start up
- Fuel Trims Way Off?
- Meth Bung location
- What to expect with E85
- Cobb throttle closures?
- Help with injen intake on a 1m
- Quick question regarding Tuning Procede Flash to other tuner.
- High Quality Photos of TFT inlet system
- Pushed pins into DME?
- Procede - Meth on Map 1 - Lights Stay On!!
- Coolant reservoir sounds
- Car is not boosting at all..please help
- please read my datalog
- Custom Tuning and Top Tier Fuel
- Which Would Your Purchase?
- Popped my hood to this.. What should I do??
- 2 Step retrofit on Automatic 335 [QUESTION]
- Using Procede to Control Meth Only
- Procede 3 v5 and Flash and E85 Question
- Need some more help!! Lol
- e90 335i dme
- Coolant leak..water pump?
- How does my log look?
- Alternator Pulley
- Does E85 go bad?
- New To Cobb Forst Data Log
- 09 335i Tune Prerequisites
- Safe to drive temporarily while misfiring?
- E85 and mixture codes
- Front Mount
- Smoke from turbo's?
- VRSF Intercooler and Catless Downpipe
- tired of WG pressure converters...
- N54 direct port injection meth
- WTB a jb4 tune for my BMW 335i
- Spark plugs
- Car smells very gassy
- squeeky/squeeling metal noise
- Intercooler Facts and datalogs Only || Share your intercooler Numbers Here !!!
- Jb4 G5 ISO?!
- engine malfunction.. high rpm...
- 7 fault codes after long 3-4 pull
- What Ignition Coil to go with?
- Fuel Injector -11 vs -12 Index
- Stupid charge pipe and MAFs...
- Need some help, Car going into Limp Mode
- Misfire help
- VISHNU, upload a map or use autotune??
- Low psi 3rd gear only
- Another eBay exhaust tip review
- Reliability of the DCT is trans?
- weird vaccum issue
- LSD Newbie
- Updated to new BB Pump Flash car is slow as hell (Logs Attached)
- FFTEC LPFP install question
- Battery 7yrs old non AGM,Should I stick with stock
- Dead DME back to life
- Wastegate Rattle
- New to the forum, wastegate and JB4 questions
- Get your Water Pump & Thermastat Package Here!
- Data Logging
- V band bolt
- help me do some logging/comparison
- datalog help
- Car feels kinda sluggish at times, incosistent, check out my logs
- Need Vrsf down pipe fix install guide
- Installed DP's today
- Mr. 5 Intake Variation Question
- Engine starts up and then cuts off
- Need help with code issues
- Jb4 firmware
- 2c7f and 2c6a codes
- N54 Shaking Heavily under load
- Highly Tuned Car Going In For Service
- Procede Methanol Problem
- Procede meth overflow fault
- Some help to change from 20.5 psi to 23 psi on map 6
- new log, worthy of etune?
- R&R LPFP With New OEM or Fuel-it St.2?
- Next upgrades...
- N54 Bad Cylinder Head
- In middle of new turbo install. Replace lines with new ?
- DCMA and your car????
- Boost solenoid failure?
- How to increase spool noise? :D
- Smoking clueless...
- Need help! Exhaust smoke
- Engine sound
- N54 HPFP and LPFP - what to look for in your logs
- have cobb may leave for JB4 backend?
- which cobb tune to run?
- 335is jb4
- 2007 e90 Transmission whine after hard braking
- Steptronic or Other Problem?
- Help me out, 1 code causing limp mode
- Issues with new JB4 Firmware
- OBD 2 Port repair - E90/N54
- New Starter Installed - What a PITA!
- Any reason not to buy jb4 used
- 2 step without JB4?
- 30FF Boost under target - Shop says I need new turbos
- Replacing thermostat at 80k... what else?
- Airport race - Björkvik Sweden 25 April 2015
- What to do with used injectors?
- COBB V3 freeze issue
- M3 control arm question
- Tuning Plan - Comments requested
- Low Pressure Fuel Sensor - Black Wire Box
- arma variable intake??
- 2011 335is
- MANBEER BB FLASH fbo + meth +e50
- MAP Sensor Extension
- What's missing for an N54 to hit 10's?!
- E40 gains?
- What's that thing right before the oil drain bolt?
- Need help with the injector part
- Aem map sensor
- Over run Feature tuning?
- 07' e90 335 Clutch Options
- Boosting so low that i think the gauge isn't accurate
- Maintence Logs.
- Whoa.. CLA45 specs vs N54s
- Chassis twisting concerns w/ N54 power gains?
- Does anyone know the code 5EC9 means???
- 6MT Engine Knock
- BMS meth kit
- Tial BOV Flutter
- Small jolt after acceleration and removing foot from pedal
- Reset adaptations after injector install?
- Can you log the lpfp pressure on OFT or BMWhat?
- E93 335i Exhaust Mod Options Other Than a Full System
- level 10 transmission build?
- BMW Twin Disk Clutch - Protuning Freaks ***Review***
- CSF Racing N54/N55 Automatic Aluminum Racing Radiator Review
- E92 335i Custom Elite Exhaust - Sound Clips | Enjoy!
- Does Cobb hide all DP related codes?
- How do my injectors look?
- Fuel Injector Replacement
- Anyone else have this problem?
- Turbo waste gate question
- Fuel Trim and AFR
- Anybody actually replaced a bad knock sensor?
- Catch can recommendations?
- Need help. 335i with E92 M3 exhaust
- Cobb V2 or keep JB4
- I'm a little confused/concerned with what I just found.
- delete :)
- idling issue
- need help identifying jb4 version/ install
- FMIC
- bms occ did not catch a single drop of oil after 3k
- N54 335IS, installed Downpipes, now throws codes
- need help with race gas and meth settings in jb4
- Headed to the track - '07 335i - Advice needed!
- New JB4 feature: Lag Free Rattle Fix
- Burger Motors ports dual cone intake worth it?
- ** Help Identify possible oil leak / pics inc ***
- BMS Cowl Filters, how to get the spool sound without risking water on DME
- Do i have space for a small 1G meth tank? - Boot build problems
- Ignition Coils from FCP Euro?
- vff700 single turbo 335 n54 codes i can't find anywhere again....
- Black Smoke from BOV only
- What happened to AE exhaust ?
- Stupid Rear Main Seal
- Half engine light and SES light plus codes, please help!
- Jb4 pump flash log
- 93 or E30 protune?
- PreLCI to LCI Paddles
- Car acting weird af..
- Can someone check my logs for me
- what do you guys think about dp and 2nd cat delete?
- Exhaust Sound/Engine Abnormally Sounding Rough Recently
- Catted DPs for XI?
- Walnut blast pics after only 35,000 miles
- VRSF 5" stepped vs 7"
- Small vs. Large Pumpkin LSD Install
- Please Delete
- Misfiring and swapping parts
- Mr. "3.5" intake mod
- Best place to buy O2 sensors?
- Vrsf intercooler - oil temp?
- Advice on OFHG leak?
- Code p1515 Electronic Throttle System
- I sold my COBB Accessport V3 for JB4 G5 ISO ! Here's why?
- Does the wastegate rattle problem throw and codes or dash lights?
- Driver's wheel well holes to engine compartment
- my first data log run with cobb!!
- Custom Exhaust Input Please :)
- Custom Cobb pro tunes here @ Undercover, best pricing
- picture of plugs,N54,what do u think?
- HELP! Engine rod knock
- N54 leaking turbo gaskets. replacing accessories
- JB4, Cobb or Proceed on stock wear and tear?
- JB4 laptop connection help!!!
- Getting ready for wannagofast in GA. E40 Wedge tune.
- 335i 2007 190k Lots of smoke coming out of exhaust
- Cobb code p2aa4 and 2a82
- I need a tune for my Rb's
- Power question
- Smoke from right exhaust
- Car won't start sometimes
- Map Sensor VS Boost pressure sensor
- Does My Car (2007 E92 335i) Have a BMW Performance Exhaust?
- Stock Inlet Flow Test
- Anyone cam their 335i