- M-Factory LSD Review!!!
- Issues with throttlebody? ~ actual throttle position
- Take a look at my spark plugs
- 3.46 vs 3.08 in 6MT
- Route 66 Warranty is Amazing (new turbos and more)
- N55 SWAP to N54
- Some help with my car (logs)
- How bad are my valves?
- Cobb v3 meth and jb4 meth question??
- E85 backend flash
- Replaced Oil Filter Housing Gaskets and Coolant pipe - leaking oil and coolant worse
- First time putting in E85! (Holy smokes!!!)
- Does a cobb overide dme update
- E90 335i Logs
- Settings under user adjustments
- Aplina Flashed AT Limits
- M4 Jb4 Alpha vs. 2014 turbo S and two 335i's
- Parts for DP Install?
- E90 lci - floor jack to reach center jacking point
- Upgrade turbo guys help plz
- Help!!! ER CP &forge DV with injen intake fitment
- rb/vargas hybrids on 93 only
- Passing CA emissions test with COBB?
- CP-E Upgraded Twins any updates?
- Luke Performance Flash results/log
- Godspeed front mount
- N54 turbo seal failure
- Take a look at my Log
- fuel gauge problems after walbro 255 lpfp install help...
- Should I back off timing or leave it (logs)
- Oil Cooler Upgrade
- How much e85 on the lpfp
- Oil change interval for a lightly driven car
- 2010 335i w/FBO+procede 2.5 SE throttle/bogging down issue?
- Walbro Inline Install Question
- What is that sensor by the ECU
- Putting M4 aftermarket exhaust on the N54 335i?
- JB4 shows zero boost
- 335is Limited Slip Question!
- Vacuum line?
- Whole mess of codes...
- headlight washer nozzle replacement
- AA downpipes installed, smoke from exhaust is normal?
- Transmission? Drivetrain? Concern
- Water pump failed then steering wheel locked. Stuck in my garage.
- long cranks and gauge sweeps
- Golf tee mod
- Branch Resonator and Helholtz Resonator: Official N54 Data Collection Thread
- What is a 2FC7 Code?
- Cobb stage 1 17 psi?!
- ECU Install w/o sliders...help!
- Turbo recalls question
- Cheapest place to order Low Pressure fuel sensor from?
- Changing Spark Plugs. Anything in pics I should be concerned
- Engine Malfunction light, after hitting a bump
- Is this normal?
- Crankshaft Position Sensor on 6AT car
- Installed Catless DP/7" intercooler - stock boost??
- Engine Malfunction light on race gas map.
- 350z owned me....
- needles and leds of my Milometer
- BMW Oil Catch Can by BMS
- Cobb v3 reporting 'ECU' fault code after uninstall?
- Clutch upgrade. Recomendations?
- Cannot stop thinking about mod the car. what's wrong?
- No OCC needed if you have a FMIC
- Anybody that bought their car used and didn't activate Sirius... 2 months free
- Longevity of engine with Ecu upgrade
- 1 carbon fouled plug
- Single Turbo Procede users
- 335 rb/meth vs cl 65 amg
- Oil Leak Need Help !
- Remus performance exhaust
- P0220, P0120 Throtte body issues/SES/Limp
- How to tell when AT transmission is slipping?
- N54 remote tuner recommendations
- Exhaust suggestions
- GIAC to Cobb - Has anyone done this?
- Fab Factory Intake Manifold
- P2a94 and limp mode. 2008 335I
- [LIVE]Help Please!! Limped to the plaza
- videos?
- Car throwing codes
- JB4 G5 question
- Is Castrol 5w30 full synthetic good for the n54?
- Clutch question
- 335i oscillation while cruising only
- Dinan Free Flow exhaust fitment question
- Serpentine belt routing
- Issues with Acceleration
- Anyone with the ESS tune run E85?
- Crank pulley vs Crank sprocket pic
- ECU Replaced at Dealer, Now Max Fuel Trims and High AFR
- New water pump won't bleed or power on
- random p30ff code
- Installed charge pipe and cobb v3 now no ac
- 335i Spark Plug Consensus..
- Walnut blast before e-tune?
- AC compressor pulley
- dry sump system design
- P0015 changed both vanos and vcg
- Trading my Stock exhaust for PE
- Persistent cylinder 5 misfire... Running Delphi w/ Bosch Coils?
- Borla drone gone!
- anyon in columbus or notth w spare coil
- Jb4 shutting off issue. Gauge sweep while driving.
- Slave Cylinder
- COBB AP question?
- crack ??
- 5 pounds of boost only?
- stock tune with aftermarket intercooler?
- ST install
- Please Help, Dealer/Warranty Issue
- Throwing Bank 2 Lean...Just did waterpump...Unrelated?
- Metal charge pipe actually better then plastic?
- Trans Oil Capacity?
- OVer boost pushed my dying coil packs to the end!
- Anybody want to take a look at my log? I think my car's pulling timing...
- which fuse controls oil level sensor... its INACTIVE
- Walnut blasting
- Cobb AP Recovery Mode
- Please help with analyzing a data log
- ecs tuning charge pipe
- 2AAF, 29E0, 2A2D - HPFP or LPFP?
- codes with bmwhat app
- Midwest Turbo Connection N54 upgrade??
- Thinking about switching....
- N55 PE exhaust fit N54?
- Dinan ?
- idle timing fluctuating (-12 to 7) - cobb stg1+FMIC daily map
- Rough idle throwing codes
- Stg1 logs
- RE: Backfires on the N54
- waterpump replacement advice
- Limp mode
- N54 Custom turbo Dyno
- E50 at home.
- opinions on this single turbo kit
- MY awesome Turbo install. some post install questions
- would you buy this?
- JB4 G4 vs JB4 G5
- Oil Pan Gasket
- Excessive Engine Movement?
- 335i - Chasing the misfire
- Thoughts?
- What are these codes ?? Help
- FFTEC single turbo tuning help
- Why can't I control boost on my ST car using Mac solenoid??? Please help
- e90 335i Engine Noise - Alternator? AC Compressor?
- Question about LSD / diff installation (leak)
- Replaced injector, ok to wait before coding?
- Went into fail safe mode! Help
- 605 on stock housing twins
- Battery Dead....ABS warning?
- Bunch of warning lights, weird -battery?
- Vacuum leak
- Help! My Cobb AP is stuck " Do not disconnect" while plugged in the car
- Trunk mount meth kit leaking denatured alcohol
- Its not always a boost leak
- Can I drive with 30ff??(
- BMW PE or HPF gen2
- BMS DCI vs. AFE DCI (who likes which)
- Cobb to jb4 opinions
- Battery Install - What is this cable?
- Help with Oil Leak
- Jb4 code reading
- anybody install Raceland downpipes recently?
- Car gives a jolt on 5th gear only (automatic)
- Help: Pdc wrong indication after bumper replacement
- Boost Solenoids click when vacuum unpluggedW
- Downpipes/dci installation fee
- help please knock sensor going off
- N54 vs m3
- Whine - at low speeds after Oil Cooler Gasket replacement
- Manial transmission turbo lag on shifts, shift bogging cobb related? add jb4?
- CANFLAP. Is this all in my head?
- RB log review
- Malfunctions
- Wastegate Rattle On Acceleration?
- Ran Out of Fuel - Gas Gauge At 1/4 Tank
- Diverter valve broken
- Luke e30 flash final revision
- Need a New Stage 2 or 3 Clutch, Advise?
- Lpfp noise when car unlocks
- Alpina flashh b3
- Cobb Codes
- HPF gen 2 exhaust and lockdown kit
- been through 2 new water pumps in 4 months! What gives?
- Misfiring? No codes!
- i know im beating a dead horse but...
- Building my own HPF style exhaust
- Downpipe Experience
- Looking for brake service kit (recomendations)
- Noise from Front end
- word in the streets is that vargas surpassed the 600/600 WR on stock frames
- Thoughts on fabricating my own custom downpipes with wastegate dump.
- Introducing the VTT Stage 2+ Hybrid turbochargers 627WHP / 625WTQ
- VRSF V2 Downpipes
- Inconsistent Part throttle hesitations
- Pulled a Log on a 1/4 run
- waste gate rattle when off gas?
- BMW PE sound help
- Custom exhaust suggestions
- JB4 Codes
- Best way to launch DCT at Drag Strip
- Weird Code
- Failing turbos or something else? Help please!
- VTT Stage 2+ group buy thread
- Radiator leak options?
- Spec clutch problem
- Intake Manifold
- VTT Stage 2+ Updated Dyno results 645 / 629
- JB4 concerns
- my cowl and cabin filter mod.
- VFF700 kit For Sale
- My attempt: DIY FRONT TURBO wastegate rattle fix
- G4 to G5 ISO
- VTT Stage 2+ Vs VM 6465 single
- Rear knocking after driving with DSL fully off
- Gt2 exhaust for sale
- Stett cai fitment
- Slow AC leak... Anyone have any ideas?
- what size resonators?
- N54 Coolant Temperature Control?
- NO BOOST! help! vacum test completed, lines changed
- Charge Pipes & Meth Bungs... 1 or 2?
- My Custom DCI, not sure it's done right. HELP!
- misfiring and C.E.L (cold start only) even after walnut blasting
- How do my logs look? (1st time ever doing data logging)
- akrapovic evo ss
- Starting a journal on boost leak and hopefully a diagnosis.
- JB4 only n54's: what are your trap speeds?
- n20 Tmap+Procede
- Lifter Ticking
- Code 11566......And idling issues
- 6AT limit?
- Water pump vs Downpipes?
- Going single turbo
- Need pic of vacuum to booster
- Dinan Has Changed It's "Tune"...
- Dme or throttle issues? Codes 2CFB 2DC3 2CF7 2D09
- rattlefix 29.2 + Cobb = bad ?
- Clutchmasters FX400 stage 4 Sprung (6 Puck) clutch question
- More Power with LESS Throttle?? Help!
- Clutch recommendations
- '___'
- JB4 Sale
- HPF tips
- Stumbling at partial throttle
- Cobb FMIC