- Stock car with jb4 overboosting after going ISO
- 135is DCT revs up to 1k on stop
- Need help with some codes
- Do I have an Alpina Flash?
- Manual trans rumble noises
- (n55) will our 135i's ever be as loud as jdm cars?
- Looking for DME power reduction tables
- Slight Misfire
- Exhaust Rattling Against Drivetrain
- Transmission Problems
- mhd 13.5psi only
- Questions about drilling/tapping the intake manifold for proper BOV operation!
- Where can I buy performance exhaust without Pipe?
- Pure stage 1 n55
- BMS SSK
- Does the ZF S6-53BZ transmission fit?
- Another water pump failure
- 135i Best Possible Mods!
- Where to get the best water pump and thermostat? (135is convertible)
- Pcv?
- Performance Oil Cooling Ducting
- best reliable replacement turbo for the n54
- Dp fix
- Check engine after jb4 install
- Ever wondered how to ceramic coat your downpipes? Here's an easy DIY!
- bmw 2cf9 throttle valve potentiometer 1 ?
- Im a complete noob that needs mod suggestions
- DCT is really sluggish
- JB4 fuel/map question
- Accidentally discovered my 135i has a JB4 today, and I already have one on the way!
- Unsettling N54 deceleration sound
- N54 Single Turbo Build
- any HPF exhausts out there?
- Avail Tunes
- labor hours guesstimate?
- COBB with 135is
- 135 1-M
- Post downpipe install, car sounds terrible
- Wastegate rattle or not ? (after having installed catless downpipes) (sound record)
- I have 2 JB4's, and one is giving me problems.
- Possible CLutch Issue?
- Need help with HPFP (N54)
- Are these noises normal?
- Most bang for the bucks to increase hp
- Looking to purchase this BOV kit
- Turbo install question
- Precision Racewerks Port Injection Kit
- Stett Performance Stainless Vacuum Canister Install
- Wedge Review - BimmerGeeks! Pro-Cable - Cuts flash time @ in half.
- What's the correct Negative Idel reading?
- Reverse Gear in Transmission Question
- Drag Racing DCt 135i with PS2 Turbo
- Supersprint quad exhaust N55
- Need help installing chargepipe
- Certain year N54 not to buy?
- Forge FMIC installed, small gap and lower grill questions
- 2011 135i DCT Failure HELP!!!
- Increase Speed
- N54 Stage 2 Datalogs
- IJE0S or I8A0S?
- N55 Rattling Noise During Cold Start
- N55_ISO_14 Question
- N55 Data log help
- JB4 G5 ISO sterring wheel control menu settings not saving
- Wanting a tune but so lost in the forums..help !
- Cutted off two small sections of vacuum lines, is it bad ?
- BMR 3.5 inch exhaust unboxing / overview
- Is there any reason to go PI with 100% E85
- 2011 135i Plugs and Coils
- RB Next gens capability?
- VRSF 7" HD INTERCOOLER! | Road to 400WHP on 93 octane build
- PPK burbels missing
- N52 Intake, Exhaust, & Tuning
- N52 Intake, Exhaust, & Tuning
- Is it possble to use the GS6-53BZ (n54 trans) on a N55?
- My DCT lag, idle issue, and lurching problems.
- RB Turbo inlet and VRSF FMIC install
- HPFP FROM Ebay
- VCG Replaced With New Issues
- 2013 135is Plug Change at 75k miles
- car wont start!!!
- whats the correct engine splash shield? (my dilemma)
- Pure Stage 2 DD pics
- Deleting Mid-Pipe Resonators with PE Exhaust ?
- 30ff code after PS2 and PR inlet install
- Feedback on Codes Please
- Blown HG, cracked head, or....?
- N55 Burning Coolant?
- Is this a stock intercooler?
- Already have a tune, just need opinions please.
- p29dc code with limo mode HELP
- Competent driveshaft shop needed for 1M conversion
- N55 E Series E85 JB4 Developments!!
- Who does custom tunes for MHD only? (I need a custom tune)
- 2012 N55 tunes
- Should i be worried about this???
- Who wants to tune my n54? RB turbos, inlets, etc...
- BMW Performance Power Kit N54 version question for Owners
- To LSD or not?
- Your MHD burble settings
- 135I N54 turbos
- Long trip coming up, CEL came on with these codes
- MHD later this year
- n54 motor locked after walnut blast
- Request : Auto Trans Cooler Setups !
- N54 Rumbling at WOT Mystery
- Please review my datalog !
- Dead Transmission
- JB4 stack on evolve technik ecu flash tune
- ER Chargepipe BOV Question
- Old issue, Tee mod
- Manual Swap
- Juggernaut's 2008 Alipina White 135i
- Need N55 ECU pin outs
- Vacuum line question
- FBO 91oct dyno results: 395hp/469tq
- Running Temp, HELP!
- What tool do you use for programming battery, ekps, and cas module?
- Downpipe
- Type wastegate on '13 135is
- DIY: OEM BMW Performance SSK, RE Trans Mounts, Whiteline RSFB Inserts, Diff Lockdown
- Storing E85 and pumping it into the car (options please)
- BMW PPK warranty. Does it have one?
- Keep my '03 350Z or move on to a BMW 135i?
- E-Water Pump
- Help Unmarrying Cobb
- JB4 installed, cel show codes 2C83, 2C71, 2C58
- Do I need to remove my airbox to install an oil catch can?
- 2012 135i (all stock) Dyno numbers, normal?
- Rogue Engineering Transmission Mounts Review
- Exhaust Rattle
- Engine Malfunction
- N54 - won't start after clearing codes
- Smoking When Coming To a Stop -- An N54 Owner's Right of Passage
- On going transmission issue. Pls advise
- MHD stage 1 1/4 mile times
- JB4 backend flash
- Hot weather log
- COBB Pro-tune
- Stock N54 VS N55 with only JB4+Intake, What will make more power?
- LPFP Removal?
- Twisted tuning and running e85
- DPFIX Install w/ JB4
- Rattle/tapping at 1800-2000 rpm
- Rod bearings in N54 / N55 vs S85 / S65
- Why BMW shops?
- Help! No Boost - Need Your Input
- Port Injection?
- N55 Oil Everywhere! Help identify possible locations of a leak...
- JB4+P3 Gauge = CEL and Engine Malfunction?
- Boost gauge help
- ExhaustMeister and PPK
- Direct ignition coil R8?
- No DS sport mode, what should I try next?
- Help ASAP (High/Low pressure fuel sensors)
- ****** n55 O2 fix
- DIY Performance Exhaust Mod question
- BMW refuses to replace HPFP
- Starting up issue
- N54 coils- Bosch or Eldor
- Engine Malfunction!
- Vibration when put in gear?
- Cylinder 3 & 4 Misfires
- Pure Turbos N55 Stage 2 (PS2) results, reviews, install tips and docs, pictures, etc
- Any 2013 135is owners wanting H&R OE Springs?
- High-pitch noise on 135i [solved - exhaust valve vacuum hose]
- MAF sensor and charge pipe leak.
- Performance Exhaust Muffler Only?
- Stumbling/Rough Idle (otherwise pulls hard)
- My Experience Installing PR Stage 3+ LPFP and PR/MMP Port Injection
- My Experience Installing MMP Stage 3 Turbos
- Black Market Racing 3.5" straight pipe exhaust
- JB4 Menu 11 throttle sensitivity
- Metallic Noise Coming From Transmission Area
- JB4, dp fix and the ensuing misfires/limp mode
- N55 and Catless Downpipe - Will N54 Midpipe Reduce Cold Start Sound?
- n55 dct mhd pump fuel custom tune
- What I believe to be the best N54 sound - BMR 3.5" exhaust
- N55 stock+PPK boost @ 12+ PSI
- N54 logs before rod bearing failure
- My 2 year fuel pressure issue and scanning OBD2 on 135i
- help w fault codes
- Drone/Horrible Rasp
- 30ff code after fuel pump upgrade
- DANGEROUS! 135i N55 6mt Shutting Off After WOT. - Loose Steering wheel control
- Clamp wont hold coupler on chargepipe/intercooler
- Berrymans or marvel add to oil?
- N55 turbo reliability
- Turbosmart plumb kit diverter adjusting issues
- New CEL and Engine Malfunction... This car will be the death of me
- Fuel Pump Value
- Whats Best for Exhaust sound? Sound Clips, Advice?
- Question about Xhp transmission flash
- Broken downpipe stud help!!! N55
- Electronic or pneumatic wastegate? 2012 E82
- DYNOS: How to read the numbers, understand them and compare it to others - MUST SEE!
- Possible boost leak?
- Dinan DIY kit
- My clutch install sucks! i hate my SMF
- N54 - fixed my wastegate rattle
- Aftermarket FMIC install question
- 2D2E code, MAP sensor?
- Any way to find out if the turbos have already been replaced just from the VIN?
- Cutch Help!! I'm in desperate need.
- exhaust clip VRSF Stock gutted 2nd cats
- What's Available for Aftermarket Resonated Midpipes for N55?
- Teaser pics of the NEW WAGNER EVO III Intercooler
- waiting for the next v8 swap
- Installed MDesign Performance Carbon CAI
- Need help buying!
- Coils and plugs for N55.
- Installed Agency Power Ti Tip Axle-Back on N55
- Sprung Clutch disk VS unsprung disk noise
- E82 N55 w/JB4 - can't pass DMV
- PURE Stage 2 waste gate?
- VRSF DP Berk Mids Berk Street Cat back
- 135i convertible in snow
- 2 Step and Low fuel pressure sensor
- what is the next modification ?
- 135i vrsf relocated inlets
- Clutch, LSD, Turbo...12' N55 need help
- What is diameter of oem exhaust?
- MHD N55e Open Beta DME Unlocks for your 135is! SSR|PERFORMANCE
- Drivetrain slop
- White/blue smoke
- Blue smoke/oil smell
- Why you should run the JB4 + Flash instead of just the Flash
- Can i use 93oct (or octane booster) with a MHD 91oct map ?
- Pass Inspection.
- Catless DP front o2 sensor
- How to correctly measure the ambient temp ? (Forge FMIC testing, IAT logging)
- Basic Bolt On Discussion
- Is anyone running the OTS MHD Stage 2 flash on a DCT N55 135i?
- Anyone try the F02 coolant tank in a 1er?
- Show me your Meth Tank Bottle Installs!
- exhaust
- RTD Shifter Group Buy
- 135i | N54 |diagnosing misfire
- N54 91 ACN Timing corrections
- N55 Denso Alternator Rebuild kit
- Race Chip Opinions
- Engine Malfunction!
- 135i N55 M3 Cowl Mod?
- MHD Flasher N54
- Pure stage 2 lead time?
- Can you fit a 335i diff onto a 135i? (different input flanges issue)
- Axle back exhaust for n55 135i
- Exhaust for my 2012 n55 135i
- NEW! VRSF E Chassis N55 Outlet Pipe!
- What did I blow: clutch, flywheel, transmission?