- Little Hazard Symbol on Gauge Cluster
- PPK1 fix?
- wrong engine oil?
- Anyone know when BMW will start installing the PPK1 perf. kit on the N55 engine again
- Mystery Sound
- Downpipe or BMW PE??
- Boost
- JB3
- COBB v301 vs v401beta
- Cobb stage 1 log
- 135i vs e39 m5
- Help with SES light
- How meth works
- Misfire on cyl 5 / fuel pump plausible code
- Intake options
- PPK1 + JB4
- N55 JB4 Stage 2 issues
- Cobb Custom Tuning
- Active Steering on cars sold in Canada
- Look what I did
- Valve cleaning leads to new block?
- Engine Idle/Spark Plug Replacement
- error code P3OFF
- Walnut Shell Blasting for the N54 in Miami?
- FS: Injen Intake System N55
- Replaced CDV, now clutch engages much lower
- Dinan Stage 1 n54 versus JB4 N55.....
- RPM dial response and exhaust note problem
- M shifter vibrates when the car is still ... ?? normal ?
- Exhaust note and throttle response decline after MRS version 2.46.1
- PE sound
- 2F71 Code "Ebox Fan Input Signal"
- STETT intake owners, need some info
- Will the Cobb AP work with an E85 mix?
- Need help deciding? Jb4, procede.
- 2012 135i 6spd dyno numbers
- 135i modifications!
- Best sport configuration
- JB4 G5 Dyno
- Datalogging with Cobb
- "Launch Mode"
- Exhaust Systems Explained
- From PPK to Stage 1 GIAC
- CEL at WOT but only loss of power at WOT
- Version 2 power kit
- JB4 experience
- midpipe question
- 2011 135i with 6 Auto Gearbox!!!
- N55 JB4..."a love story"
- got my new 2011 135i DCT m-pakage what modds >>
- ASR Intake ?
- Jb4 owners...a little help.
- Cobb Stage II Aggressive 402 map is their best yet.
- Should I buy this?
- Turbo Replacement Finally!
- BMW N54 AccessPORT Now Supports Alternate Fuels
- BMW N54 AccessPORT v4.01 and v4.02 Off-The-Shelf Maps Promoted to General Release
- Cold Start stutter
- 2012 135i JB4 installed.
- Dinan Stage 3 N55
- running way rich...
- Exhaust installed
- FMIC advice
- Power Wrap heat management
- Jb3 to jb4 upgrade?
- PPK has disabled PWR button when DTC is off
- Diff Fluid.. Is it okay to use 75w140
- Dyno Read
- Exhaust Rattle ARRRRHHHHH
- Misifiring Issues (with INPA video + audio)
- Extended warranty/Tuning
- Anyone have AR Downpipes + Maddad Whisper Midpipe + Axleback
- Recall on my 135i: JB Code
- S1 vs Sport
- Looking for some personal experience opinions
- BMS Dual Cone Intake MAF issues?
- Low oil symbol popped up
- 2011 BMW 135i stalled...
- Jb4 Pinout install? Help?
- Anyone in SF Bay area want to lend a hand for a good cause?
- How to tell if a 10' 135i has n54 or n55?
- DIY turbo replacement (Bentley Manual)
- dinan intercooler full kit
- HELP!! Car in permanent limp mode after DP install
- N55 JB4 Stage 2 Map 7 w/ E85
- PLM DP Installed
- steering squeaks after downpipe install
- Custom exhaust
- Car is acting up! Help!
- Exhaust flap gone bad?
- What does misfire sound like?
- New spark plugs and it misfires? No code HU?
- Question about my dyno results??
- Just got Dinan Stage 2 Software Upgrade: VERY Happy
- JB4,DCI,Muffler Delete, E85 mix NOW WHAT??
- Intercooler vs meth
- Upgraded from Dinan S3 to GIAC S2
- p114b p0041 p2c7e p2c6a- need help
- Knock, knock, knock heard at idle
- N54 Motor w/ N55 Midpipe Real HP #'s?
- Best price for solenoid valves?
- E82 - Intake ? - BMS Dual Cone
- Aftermarket intercooler and Dinan tune.
- cp-e DCI Install Fail
- N54: Limp mode w/o check-engine light?
- Big Tom FMIC and then hot temps?
- White smoke out of exhaust?
- How long does your car take to warm UP?
- Vents
- Is anyone running Meth with Cobb Stage II?
- Downpipes
- Rims and tires on stock suspension ?
- Disactivating traction control deactivate SPORT mode?
- posted in wrong place please delete
- Misfire question... Please help
- BMW software update
- O2 sensor spots?
- WOW! It's all the DI6's hu!
- IATs Up Very High after Replacement of Front Bumper (crosspost from gen section)
- Oil Temperature Variability
- Cobb over Dinan S2?
- Jb4 from burger Tunning?
- Need Help Codes!!!!!
- Waste Gate/ Extended Warranty Update
- Direct fit intercooler
- 2C57 - N55 JB4 Stage 2 8/3 firmware
- Informative article why BMW went turbo
- The VERY worthwhile mods! Build review inside!
- N54 Engine warranty extended to 8 Years/82,000 Miles (Wastegates Only)
- First N55 Boost Leak?
- need help installing downpipes
- Wagner BMW 135i N54 N55 UPGRADE INTERCOOLER
- Berk Exhaust To The UK?
- Berk muffler delete rattle or can like sound on WOT
- TOP SPEED: What's the fastest you've gone in your mod'd 135i?
- Need help ASAP SOS N54 Charge pipe FAIL!
- TMAP sensor change N55, why?
- ER oil coolers
- Hard time choosing exhaust
- Anybody know what is making this noise?
- Another n54 vs n55 ?
- charge pipe problem...
- JB Stage1 n55 install and some pics
- Still having a smoke problem!
- 135i Cobb Stage 1 Dyno
- $140 for intake cleaning...about right?
- WOT shifting
- Mid pipe/resonator delete?
- Will jb4 work with newest BMW software
- HPF N54 Single Turbo Project revisited with a Bet!
- Official what is this noise coming from my car video
- Oil cooler Q ?
- Question about Turbocharger (Wastegate) Extended Warranty
- TiAL BOV gets stuck/releases late
- Yellow Engine Malfunction light comes on
- Berm Mid Pipes 1M and 135
- h2d18?
- Throttle response problems
- Wastegate Ticking/Rattle
- Steptronic downshifting
- PPK + intercooler?
- 600whp single turbo 135i?
- Upgrade to stock turbo possible?
- Custom Quad Exhaust Muffler Delete
- N55 DPFIX!!
- Turbo replaced tune question
- PLM Down Pipes installed - Very happy with the results and price!
- |VRSF| 135i/335i 7" N54 Intercooler Intro GB/Pre-sale! LIMITED STOCK AVAILABLE!
- Help: Tunes for N55 1er
- questions about jb4 data logging parameters
- N55 BMS Intake = Service Engine Soon
- OBD port...
- ZMAX 1/4 mile run.
- 2012 135i dyno pulls!
- Pcd/oil separator help?
- Limp Mode/No Boost
- Downpipe install question (steering rack)
- Is my car going to die???
- One Armed Stock Turbo Install OR HPF Install Which Will Enable Me To Push 500HP
- Fuel mileage
- JB4 issues (no boost )
- Vibration in Clutch Pedal
- JB4 + New BMW Software
- weird stutter type thing is happening when cold
- Air intakes ?
- JB4 vs. AccessPort
- Jb4 reliability
- quietest exhaust for N55 with cattless DP?
- Thanks Bimmerworld / Cobb
- BMS N55 Intake MAF Error.
- Beat the dead horse: JB4 to Vishnu. Who's done it?
- Pennzoil Ultra 5W-40 Euro full synthetic
- Major Jb4 Issues Help!!!
- Best HP increase
- BMW N54 AccessPORT Beta Race Fuel and E-30 Maps
- *Request* ETS or Other FMIC vs. stock dyno results (N55)?
- PlastiDip/Leak Seal??
- Help with Cobb!
- N54 Jb4 Issue - Pulsating/Uneven Boost
- CTS Turbo 135i intercooler - anyone heard of it?
- n54 Cobb tunning dyno results
- strange problems
- Intake leak + why Rob Beck is awesome
- Cobb 4.01 Map Drive vs Sport
- Dumb question/first turbo car
- Erros Codes
- 135i REMUS X/H FOR SALE
- Which catch can are most people running?
- Replacing secondary cat with test pipes n54
- Experiences / Reviews of the Cp-e 5" DP?
- 6MT popped out of first now car wont start!
- limited at 130mph -issue!
- Want to see some ghetto DC intakes?
- why high boost needs race fuel??
- N54 Tune Comparison Chart (Detailed)
- how do I find my ecu type , cobb tune
- I want an AR DP - Please Vote for Me!!!
- HPF Wants YOUR 135i!
- BMW Performance Exhaust (Axle Back) For Sale
- Cobb stage 2?
- Leaking forge diverter valves caused months of headache
- California SMOG Question: Downpipes
- Does anyone sell a high performance radiator?
- Catted Dp/Catless Dp with stock catback.
- Custom Tune for my Jb4 N55 in South Florida
- Props to GIAC and Evolution Racewerks
- Help reading logs, tuning & what to look for
- Cat-back flange?
- N54 no boost load exhaust!
- Bad JB4?
- JB4 gauge calibration issue
- Evolution Racewerks or ECS Tuning SS Brake Lines?
- Check Engine Lights After Cobb Stage 2+ Please Help
- HELP Strange Oil Temp Gauge Issue
- Buying a BMW performance exhaust
- No crush washer on oil drain plug!
- Cobb E30 Race Map data log
- VRSF DPs & GIAC Stage II
- DashCommand with GoPoint BT!
- Jb4 advice
- BMW performance exhaust
- Disappointing n55 dyno trip
- JB3 concern/question
- 2009 N54 Motor replacment
- Fuel mileage
- Custom Mid-Pipe Help
- Any one try Agency Power Charge Pipe/BOV ???
- Pedalbox installed > love it
- exhaust and intake without tune
- Downpipes vs stock cats....downpipes barely wins..