- New (435i) N55 Dynos from BMS
- Code b2aaa - help?
- How do I do this? Engine code, but need to remove JB4 before dealer visit?
- Emissions Test Fail With JB4?
- cP-e xcat
- BMW PE vs BMS short shift kit
- Please, any1 with Cobb V3 and DCT
- Cobb AP V3
- Strange rattling/knocking noise from top-end (?) - video w/ good sound
- Exhaust questions
- resurfacing flywheel
- M235 muffler on a 135?
- 135i BMS Short Shift Kit
- Jb4 n55 questions
- Exhaust Rattle
- Failed water pump? Limp to dealer?
- Anyone know what the inside of the PE muffler looks like?
- delete
- ECU Reset process
- VRSF and BMS dps installation pics
- Cobb ap to check readiness?
- Exhaust question
- Can Anyone Confirm a Tune Eliminates DCT Lag
- Want to buy a OEM 1M exhast
- Stupid HPFP
- BMS DCI filters need oil?
- 2 unusual Noises
- $3500 budget, what would you do...
- Just took my 2009 135i/N54 to Cobb Tuning in Plano for a ProTune
- JB4 Connectors
- Technical N55 vacuum question
- Error code p387c, anyone can help?
- Do I have a jb4 with g5 board
- Trouble with meth low boost
- Remap or Bolt-Ons First?
- labor cost for FBO?
- ER fmic for bmw performance front bumper
- cant decide exhaust
- N54: Worthwhile upgrade(?) N55 mids to Resonated Berks
- COBB AP V3 HELP error codes
- NEED OPINION: Switching from Eisenmann Quad to Berk Race
- M3 cowl on 135
- SIB 12 09 12 doesn't work on my 2011 because I have a Bosch computer?
- Enlighten me
- Part number assistance. Center exhaust hanger (pic included)
- Resonator HELP!!
- How to Reinstall the stock intercooler - Special tool?
- Moar power
- Trouble with a 2013 n55
- Vargas Stage 1 Billet Wheel DYNO!
- JB4 Map 5: How does it work?
- Dinan: Taking BMW to the Next Level! - The Downshift Ep. 78
- Southbend Clutch Kit
- Flashing back to stock with Cobb
- Vrsf 5" Fmic V2?
- Sport Shift/Sport Button
- help with dsc/abs fault codes
- Methanol upgrade questions.
- Stock N54 vs. PPK1 - Here's some actual acceleration data...
- Stage 2 (RB/Vargas) Turbo Install Costs
- HELP... do you know what mods where in this car ?
- Injector compatibility
- HELP - Cobb Codes - H2f83 and H2f81
- Do N55's need an oil catch can?
- 08 n54 charge pipe/bov/diverter valve questions
- coolant smell but dealer can't find where and why
- Berk Race Axle-Back on 2010 N54 Review
- Buzzing/rattling after clutch stop install
- Datazap Update! Interactive raw data grid, and more!
- HKS SSQV4 not venting in high boost during shifts.
- BOV
- Forge DVs
- COBB DataLog
- BMWP SSK Short Shift photos, does this look right.
- E85 possible issues?
- Burger Motorsports (BMS) Oil Catch Can for N55 engines. Bullshit or not?
- Delete
- when to run map 7 - jb4?
- BMS DP Fix Installation Guide
- map sensor
- JB4 Map 8?
- Berk technology exahust load?
- Pro-Tuned - Upgrade DV's?
- N55 DP with JB4 questions?
- Best place to purchase ignition coils?
- Stepping up the N54 135i race car
- Charge Pipe Question
- VRSF downpipes
- berk race
- Idle Grinding Noise
- Borla Cat-Back Installed!
- Charge Pipe for N55
- New to Turbo, would like to hear it
- JB4 N55 Overboosting?
- 2 Step Wire
- OEM 335is/F10 550i Clutch
- DCT Vs. 6 Speed Manual Gearbox + Oem Clutch * POWER RATING*
- Delayed knocking from rear when braking
- Cruise control not working after cobb flash
- N54 Engine Woes
- Leaks on leaks on leaks...
- My dyno sheet + Accessport times
- what timing are you running?
- Jb4 help??
- Delayed engine start - help please
- Cumulative ECU Build Using JB4
- custom vs bought exhaust
- 135 stalled on the highway. She cranks, but won't star up.
- I am so tired of all the misfires!
- the most hp wins:)
- Will a Cobb AP for a N54 work for N55?
- N54 PCV vent hose
- How do you lift your 1 series?
- Blackstone Oil Analysis
- Motor surges and response from SA
- Idle Surge When A/C Is On....
- White smoke/ stuck injectors
- AA DPs installed with AA axle back!
- Just pulled the trigger on a ptf e tune
- N55 135i reduced engine power and SEL light
- Are these E92 M3 subframe bushings?
- Vargas Turbos
- Muffler Rattle
- Wastegate Compensation. What do you run? (not a WG rattle thread)
- wastegate cracking pressure on n54
- Oxygen Sensor Restrictor
- selling n55 mods new in box for a discount
- Methanol an E85 with N55
- BMS Charge pipe with BOV
- New Walbro 450 E85 bucket.
- Revving issue?
- Need help with a part id......
- Misfire... only when cold. Where to start?
- Timing correction issue on a single cylinder...
- E85 in Gas
- WTB down pipe for my N55 135 ,any recommendations?
- My Cyl.3 misfire suggestions PLEASE
- Help: What mid pipe to pair with Meisterschaft GT?
- AEM wideband sensor placement
- Just got my ER fmic
- hoe do these logs look
- Please help with jb4 question
- How do these logs look
- Active Autowerks downpipes
- My VirtualDyno
- How can I make my exhaust a bit louder?
- Sudden Loss of Low End Torque?
- Manual Tranny>>2nd Gear noise
- WTB BMS Downpipe Fix
- E88 Exhaust Rattle
- Walnut blast with pancake compressor?
- HFS-4 Pre turbo meth injection
- Vr-speed downpipes anyone?
- extra down shifts?
- Purchased a 135i!
- How do I know if I have a cobb tune?
- N55 JB4 Harness A vs B
- n54 solenoid bypass for jb+
- Missing\rough idle at cold start
- Hot center console 135i
- Driving on 30ff
- Shifter Selector (replacement parts)
- Performance Exhaust break in period
- P0050 & P0036 w N55 mid pipe?
- BMS Clutch Stop
- my FBO finaly
- Power loss due to WG rattel?
- Procede Rev 3 + Meth Datalogs - Difference in AFR b/w banks
- Burning Oil Smell On Decel
- AFE Stage 2 intake N55
- 1st mod complete: Burger Motorsports Intake
- How much more power from PROtune??
- My M135xi F21 black
- somehow I managed to...
- New 135i owner!
- modify OEM exhaust..?
- siren whistle turbos?
- BMS SSK
- Stutter at WOT
- Stumbling under high boost.
- To JB4 or not to JB4
- Oil Temp going down on parkway
- Do you know the inlet sizes for the stock muffler?
- Anyone????
- Fuel injectors. How long do I have?
- installed ER charge pipe but ran into an issue need everyones opinion
- Low Dyno?
- help with install of jb4 in virginia
- airfilter/intake
- Meh wrong section.
- some one read my data log please
- How do I know if my DVs are leaking?
- Weird DTC - can't find it anywhere...
- Can DCT handle turbo upgrade??
- What happened to my throttle response/turbo lag?
- frcefed's mod thread: Will update as parts are added
- Have cobb may go JB4
- Car due for emissions test do i need G5 JB4?
- i got 2 codes while racing my friends m3
- Chargepipe Flange Adapter?
- Bms dp fix okay for DD?
- Headlight Failure
- M3 feel like shift
- Strange misfire issue
- Thoughts on loss of boost? (video)
- Race gas
- DCT sticks in gear
- Friendly PSA for those with DCI and other open intakes
- 135i Exhaust Rubber Damper
- Anyone running without their undertray?
- inline pump with jb4 g4
- Cobb v3 mounting locations
- Intake stand alone?
- just installed BMS/Shifteck STS (short shifter)
- All N54's forged internals?
- Engine Revs High From Idle & DCT Idling Questions PLEASE HELP
- Fuel pump may have just gone?
- 2FBE and JB4 G5 (HELP!)
- Brand new engine - OCC and magnetic drain plug, surprising results?
- Detecting a prior flash?
- N54 Dyno Results: AccessPORT OTS Maps + Custom Pro Tune / Panel Filter vs BMS DCI
- PROcede v5 on 2013 135is
- COBB vs DEQ (smog)
- Quick ? about dct trans fluid.
- getting suspension work done.....
- Dealer states "charge air seals" are bad????
- My Golf Tee Mod experience - 2013 135i n55 DCT
- Agency Power Axleback
- Help with speakers!
- High(er) mileage N55ers
- FBO with ediff?
- BMS oil catch can - still have oil in charge pipe and intake
- JB4 stealthmode hijack won't work, ideas?
- Need someone's math skills
- PCV valve help
- n55 diverter valve
- jb4 "not available in California"
- Macht Schnell Down Pipes?
- NEED Official BB Backend Flash
- My exhaust sounds like a turd. How about yours?!
- 135i n54 custom muffler delete sound clip.
- Pro-Tuning Issues
- Coins in a cat tubo? 65kmiles?
- Heavy Misfire under boost
- Best intercooler that does not require cutting?
- Hey please chime in n55 135i here
- What to buy next....
- Cylinder head gasket replacement
- Custom Muffler Delete on Stock N55
- N55 SES light solution...?