- Cobb vs JB4: My Thoughts
- Missing during cold start
- DCT with 2.81
- N55 exhaust
- 2013 135i
- JB N55 stage1 question
- MHD N55 & WedgePerformance Testing
- Gearbox holding to 2nd gear after startup.
- Looking for help
- Will a E82 125i 2011 mid-muffler back exhaust fit on a E88 N54 135i 2008?
- Part ID
- WOT heard small pop and loss of power - help
- Racing Dynamics Intake System
- 2008 135i N54 Charge pipe
- n54 muffler delete and catless downpipes...too loud?
- Difference between N54 and N55 exhaust
- JB4 shut off on me 3x
- N54 no more; Crank Bolt came Loose
- What is this connection between coil 2 & 3 on N55??
- JB4 Ignore fault codes?
- Problems after walnut blasting...
- Everyday drivability, performance, and reliability possible with a tune?
- slow motion jb4 2step with flames
- MHD v7 stage+2 95 oct map with 110 vs 93
- 2011 N55 issue: clutch/throwout bearing/flywheel?
- Jb4 start up sweep help
- VRSF 7" FMIC Question
- 034 Motorsport Density Line Motor and Transmission Mounts
- Walnut blast now high idle?
- Dead Starter?
- 2A13 code and fuel smell in cabin
- Coolant error
- 7.5" VRSF race intercooler.... review
- Oil temperature fluctuating
- pure stage 2 with hi flow cat
- Yellow engine light when WOT
- Nevermind
- Just bought my 135i. Exhaust questions...
- Single turbo budget?
- 2008 135i 6MT Dyno Results - Pictures and Video
- 2F0C code help?
- Need info on removing the speed limiter on a 2013 135i
- 800whp 135 hurting feelings
- Mixing E85 and Pump Gas? Wait a few minutes! Literally.
- Adaptive headlight warning code clearing (coding)
- Aftermarket CPipe with stock map? Am i overthinking this?
- N55 flash tune with jb4 or just flash tune
- Quiet, High flow exhaust 135i
- PPK stage 1 vs JB4 vs COBB
- MHD questions
- 2009 135 auto
- The Unsolvable VANOS issue.
- Turbosmart race port vs hks bov on N54
- N54 to N55 midpipe question
- Introducing the new PURE N54 STAGE2 TURBOS - DD's 450-600whp
- n55 codes, cel
- what recipe/mods are u running on u car?
- Vargas Turbo (VTT) Stage 1 N54 Review
- Can't reset "Low Tire light"
- Charge Pipe Popping Off
- 2F15 code?
- Need A Very Loud Exhaust!!
- 1320 DP's, Berk Mids, stock rear ...
- Looking to buy my first 135i
- Burger Intake Filter Replacement in California?
- Installing JB4 w/o heat gun... use a t-tap splice?
- Vin Wbauc7c54avk80967
- How hard is exhaust to install?
- Data logs, timing correction
- Removing X-brace bolts covering midpipe
- starting to mod
- N 54 135i coolant leak
- LPFP sensor, did I get burned?
- Questions about E85 now that Wedge is coming.
- Fuel pump and fuel sensor codes? New everything.
- Inconsistent codes and CEL with JB4 and N55
- Friend bought a stolen car from the auction
- AFR at 20 while WOT Jb4. 2c3f code
- Feedback needed please!
- Code Reading help!!
- which jb4 map use?
- Cobb stage 1 aggressive e85 mix
- HELP! Misfire code, limp mode
- Need help with a missing differential nut part number
- Dragstrip Results!
- Dyno procedure for N55 DCT Trans
- HELP!!! jb4 stag2 n55
- Miss fire then rough idle
- BMW PE 128i to 135i Swap
- Dynojet and 2011 135i (N55) w Dinan tune.
- Stock logs & VirtualDyno graph
- New HPFP losing PSI while tuning.
- interesting findm4 steering wheel
- Advice needed - started to mod my 2008 N54
- Need advice on next power upgrades: '11 N55 MT w/ FBO
- Log review (before/after VSRF DPs)
- 2008 135i Fuel Odor After Tank Fill
- Dinan Stage 2 Boost readings and install verification
- How to confirm or verify Dinan Stage 2 Installation
- PPK1-vs-MHDs1-vs-MHDs1+
- HPFP Replacement, Problem Ensues (pics)
- Reuse Injector Decoupling Rings?
- JB4 6-cyl timing logging what's my DME ID?
- Winter storage - battery disconnect - input needed
- N54, downpipes and downpipe fix, now service light...
- 2010 135I Engine Replacement Information.
- Blown motor?
- Big Help Sparks
- Oil filter housing with a simple(?) twist
- Surging under wot
- How can I buy a Maddad exhaust
- sqeaking noise
- battery, are you dead, or alive amigo??
- Toms Stage 2+ Bin With "ghost Cam" Effect Test
- Loud Mystery "Pig Squeal" sound under hard acceleration
- Advice needed with charge pipe install: pipe coming out of OEM chargepipe
- Problem with Meisterschaft shipment ?
- 09 135 manual rear differential LSD questions
- Check Engine Light, sputtering when accelerating
- Diagnosis Error 30EE and 30EF
- How do you REALLY ever know the oil level?
- Act HD clutch and XACT Streetlight single mass flywheel on 135i questions.
- Smoking n54
- Well, I think I just joined the water pump club!
- Suggestions for sub $600 Exhaust for best sound
- Titanium exhaust
- LPFP issues
- Android Phones that work with MHD
- what turbo setup
- Vrsf catless dps w/ maddad mids.
- Affordable N55 Port Injection Kits
- Difference between part numbers (PE exhaust)
- Mishimoto 74C thermostat vs OEM
- Fault code P0299 Underboost N54
- The ongoing A/C issue...
- N55 custom down pipe with BMR 3.5" exhaust (no Y splits)
- 2 series differential on e82?
- Pure Stage 2 N55 Tune Option
- California Legal Mods: 2013 135i N55 DCT
- Flash options for 2012 locked n55 DME
- Meth as "bandaid" only
- Turbo Lab of America- N54 upgrade?
- Pure stg2/No Tune/No PI = whp ?.
- Can't decide which mod next...
- Possible injector or HPFP?
- Brake Torquing an Automatic 135i
- New Phoenix Racing FMICs - Just Released!! N54/N55
- Low boost after downpipe and gfb dv install.
- Blocking one side of the quad exhaust?
- Y pipe question
- Sale: DINAN ECU Tunes for 135i --> 50% off
- HELP jb4 log
- VTT Stage 2+ or GC Lite?
- Downpipes for our cars...
- Genuine BMW water pump VS VDO/Continental pump
- fluid change 135i dct transmission, pentosin vs ravenol
- Can I use this diff in my 1er DCT?
- Spark Plug Reading (135is)
- BMS E Series Billet Shift Rod?
- hpfp?
- JB4 log. Car feels choppy in power.
- 135i strange rpm pulse when quick let off only when warm (logs)
- High mileage jb4?
- Need advice with my path to FBO ...
- Help needed: Random noise after CP and FMIC install
- Quick question need help
- Does a low battery can really causes trifecta ABS/DSC/Tyres Pressure lights?
- Has anyone coded out their cold start, is it quieter?
- e82 n54 Post Cat Oxygen sensor ripped
- JB3 vs JB4, how can I tell?
- hpfp
- Spintech Mufflers?
- Illinois emission test
- Anyone 400+ whp on n55?
- Starter / Alt Cable getting hot
- How long will my turbos last
- Car freaked out
- MHD or wedge custom tune
- Rebuilding turbos... what else to take care of?
- Removed center console and now some things are not working
- What's the best Exhaust and Downpipe combo!?
- Has anyone managed to to turn the e-diff off in a 2008 135i
- 1M auxiliary radiator delete?
- Should I Buy? BMW 135i - Hearing Conflicting Things.
- Contemplating purchase
- Single Mass Flywheel Flaws
- 135i vs 135is
- Adding catless downpipes to Dinan Stg. 2 N54?
- Is it a boost leak or just a bad boost solenoid?
- Golf tee mod question
- P0341 code, a little help
- Mid Pipes with no restrictions?
- How to Make Your N5x a Flamethrower
- Walnut Blasting for n55
- Is this the beginning of rust?
- 2013 N55 (E82) JB Stage 1 Installed (surging)
- 3100 low boost mode engaged.......
- N55 Pure Stage 2 Pump / Meth 100 - 200 VBOX & VBOX Dyno by WedgePerformance
- Xhp Flashtool 6AT
- removed
- Anyone use the CSF upgraded oil cooler?
- MHD connection issues: Need help
- M perf exhaust end box + afe CAI sound clip
- N55 135is high-pitch noise after FMIC install
- Cobb AP V3 question
- N55 log review
- N54 JB4 Full Custom Tune Worth It?
- Hot side charge pipe
- JB4 bricked, HELP!!!
- Best FMIC for N55!
- JB4 N55 135is installed, getting limp mode (map 4)
- Injector noise this loud normal?
- First JB4 logs (map 1,2,5) WOT
- BMS Oil Catch Can N54 DIY
- New OCC Option from ECSTuning
- N54- FBO and Vargas GC lites on stock tune?
- Berk street axleback gasket
- Fuel Trim HELP- lean code
- JB4 reduce burble setting?
- aFe Mach Force XP Cat-Back Exhaust
- No boost + No charge piping blown off?????
- Considering Purchase, Have a couple of questions
- Best MHD android device - recommendations?
- PS1 vs PS2 labor
- Walnut Blasting Timelapse Video (1)
- 2013 n55 dyno tune vs jb4
- Burger Racing $299 intercooler Q ?
- I Need Your Help Diagnosing a Problem
- DIY: N20 TMAP - re-pin stock plug
- tuner options
- Hacking your TCU with xHP Flashtool
- Hot side inlets for a RHD car
- Lean code on 91? Log attached
- JB4 Harness Issue? (CEL/Codes)
- Feedback on tuning plan?
- Exhaust type - any guesses
- Cylinder 6 misfire / thoughts?
- FMIC, Louder turbo spool!?
- Looking for carbon fiber or black exhast tips for 135is with BMW performance exhaust
- Throttle Canyon? (Logs)
- Stalling
- MHD first full write... is this battery charger okay?
- Typical MHD look at my log [SOLVED]
- PPK and loud fan
- N54 acting weird need some advice missfire and more
- Other suggestions to tune n55 w/ MEVD1726
- Donwpipe
- Failing Water Pump?
- Help please
- 2012 135i DCT (Would like to MOD until I reach around 450-500whp