- N55 mids vs cutting out cats on n54 mids?
- Coolingmist 2.3 Gallon Meth Tank Venting Question
- Is this a passenger side...
- WTB: BMW PE y-pipe
- single turbo
- Will this throw a code?
- n54 tranmission question
- RB Turbo install LOG's inside w/fuel pump map 5
- O2 sensor position question
- Chip tune for 135i, 2011 model
- Berk axle-back race exhaust
- Car appears to be possessed or completely failing
- Cheapest place to find coilpacks - 12137594937
- Anyone used NTX Coding as a tune?
- Okay so no problems then..BIG problem
- Broke line while doing solenoid bypass
- Keep berk mids or go back to stock N54s?
- N55 JB4
- midpipes...n55 vs berk street
- Strange exhaust leak noise!
- N55 Vishnu DP Deal
- Vargas turbo Black Friday / cyber Monday deal
- AMS intercooler install HELP!
- Question about cobb and emissions
- JB4 Problems. Help please?
- What will I need to install FMIC and charge pipe?
- Biggest Stock Problem N55 JB4
- How to handle the dealer from here...
- Epic Motorsports in Miami?
- My tech said: " Nahh..... it's not bad!! I trust him.
- ER Intercooler on the way
- CP-E Charge Pipe Blowing Off
- AC compressor has "come apart"
- N55 vs N54, Meth FSB Compatability?
- Awesome PTF Dyno Tune
- Fans on max, red overheat warning, limp mode
- Do I need a tune for Downpipe
- JB4+ Cobb?
- High startup revs
- JB4 Connector
- Fuel upgrading?
- JB4 with DCT
- ETS vs AMS Intercooler
- rough idle?
- New 3" Intake and 3" Charge Pipe
- AR Design N55 Catted Downpipe
- N55 with ppk2 modding
- First time in a dyno
- BMW Performance Power Kit - worth $700?
- Sound like surging?
- Clutch Slipping.
- Rat Causes Engine Replacement
- Mods....Need Input
- 135i N55 6MT, hanging or holding revs?
- Help choosing mids
- P3 codes
- Dinan Stage 2 and Stage 3 Setup questions.
- Anyone tried to install custom oil cooler behind front kidney grills
- LF non-resonated center pipe
- Fuse Box 135i
- Thud with clutch pedal release
- Racechip?
- JB4+FMIC
- Anyone know how to remove these?
- Ac low pressure port
- What are my tune options?! n55
- N55 Downpipes
- N55 fault code help please
- JB4 reading codes after they have been deleted
- Magnaflow exhaust review
- 2B3A fault code
- New Injectors Installed N54
- N54 smoking
- Does anyone know the part # for this plastic piece?
- Aftermarket Catted Downpipe?
- Wavetrac install, new bearings?
- Mishimoto Intercooler?
- Driving 135i with N54 engine
- Rogue tranny mount
- AEM Meth Install
- Sport Button Anytime?
- coolant everywhere, fan got nuts
- Any DCT failures yet?
- Help! Post Clutch Install.
- [PICS Added] BMS Intake N55 - MAF Connector line not long enough??
- Preferred Exhaust for N55 135i
- Getting Spark Plugs Replaced
- Dealer replaced BANK1 fuel injectors - should i pay to replace the others?
- Improve Throttle Response
- N55 downpipe in Mass, inspection issues?
- N55 Midpipes
- Is The N54 A Ticking Bomb?
- Cooling problem?
- What are this?
- |||E8X 135i ACTIVE AUTOWERKE "GEN-II" SIGNATURE EXHAUST - E8x N54/N55|||
- Water pump and HPFP failure
- SMART mods
- OE vs TRW
- Performance Exhaust Install
- Aftermarket Charge Pipe - Why decreased lag?
- Aging 135i's. Worsening Fuel Econ? Power Down?
- PPK1 Question
- Pte 6262 n54
- Need some input from n55 cobb users
- Exhaust on 2008 135 Coupe
- E85 thoughts..
- Need Help deciding best Tuner for 135i
- Keeping car from downshifting?
- AFE Exhaust
- Berk Midpipes
- DCT reset procedure?
- "Pop" while taking off, power down
- Order of Modification
- PTF e-tune
- Aftermarket Clutch and E85
- RPM's Shifting
- M Performance Parts LSD.... Drexler ?
- JB4 G5 + WedgePerf Flash Data Logs
- AWD conversion
- Going Green @ N54Tuning
- Blow off on an n55
- Finally Modding my N54 - questions and comments welcomed
- max power out of the 135?
- Evolution Racewerk Charge Pipe & Injen Intake
- Boost gauge options
- Opinion wanted: Burger "N55 Stage 1" or "N55 JB4"?
- AMS IC install
- Best Cobb price
- Cobb + PPK1
- JB Stage 1 worth installing or just upgrade
- Le Mans blue 135is small build
- Help with N55 Exhaust
- N54 AFE Intake issues
- 135is tune
- JB4 Problem..seeking wisdom
- We need a general FAQ document like this
- Noob question!
- BMW Performance Exhaust (What's it come with...confused)
- 335is Stronger Clutch
- Thanks for all of your insight!
- more turbo noise
- jb+
- ||| Active Autowerke | E9X/E8X N55 Performance "Green" Air Filter |||
- Just Curious
- New to the form- N54 Upgrade thoughts
- Another Water Pump Down
- What makes a BMW Performance Exhaust different
- JB4 Question: Gauge Sweep After Map Change
- No codes with N55 catless downpipe?
- Brake Sensors
- AA Exhaust. Should I buy ?
- Damaged cores on IC
- Best Performance?
- Cobb AP Datalog, please review
- how can I tell?
- what "Tune" is this?
- Aa gen 2 exhaust
- Money Best Spent: PPK v1 or Performance Exhaust
- Muffler delete n55
- SSK fitment
- Aftermarket suspension review
- Help! What Kind Of Fuel?
- Error codes
- Anyone live close to AR design? Area code(303)
- Anyone have issues w/diffuser after exhaust install?
- Power problems with my 2011 BMW 135 6 speed
- ACT Street Clutch and Clutch Stop
- Launch Control
- SSK for n55
- Walbro LPFP 455
- Affect of OEM resonator in midpipe?
- Clutch Stop
- cold weather, cold start noise
- Datazap Update! User controllable individual axis
- bms flash question
- What mods to prolong life of my car
- front left quarter panel, where to buy
- Quad Exhaust Diffuser Question
- Recommended shift points
- Help me assess my situation
- Question autowerk exhaust?
- Anyone have stage 2 with DCT?
- DP with stock exhaust?
- Twin 2.5" vs single 3"
- wastegate question please
- Drone on CP-E Catback, with stealth Pipe & resonators.
- Charging malfunction!
- DP Questions
- Why and how do injectors go bad?
- disappointed with Dinan Stage 2 for 2012 BMW135i
- Probably a dumb question, longevity and mods
- Aa gen 2 exhaust clip
- Need Help: N55 135i stalled by itself!
- Wot Limp Mode
- JB4 Stage 2 install issue
- ALL DME codes LIST
- PPK hardware mods
- N55 DP Wagner vs BMS
- N55 engine problem
- Electrical question.
- How to know? Cobb for 2012
- Overheating.. need your guys input
- Tax return $ coming. What to buy?:)
- which exhaust?
- Dealership PPK Question
- Check engine..?!?
- Which order do cylinders go in? Front to back?
- Intake Valves at 40k miles! Pictures inside
- Heres a weird one for you gurus...
- Jb4 G4 board ,, Need Hex file link
- Clutch advice.
- N54 Marvins Mystery Oil before oil change...
- Dyno question
- bmw performance exhaust mod
- My mod list
- COBB Tune for N55 (Was: Dinan Stage 2 N55 Tune w/ 9 Months of Warranty Remaining)
- Resonator only video
- Berk race axle back rubbing
- N54 Timing Chain Maintenance
- Installing JB4 on N55..do it yourself or hire someone?
- N55 Loss Of Power No Dash Lights Other symptoms. Help?
- Cobb Accessport and DCT lag
- Any tuner offer cold start delete?
- Check engine light - no codes
- Vote for the Best Tune for N55
- Misfiring issues at the track ?! Opinionsss
- Stock + JB4 Dyno Analysis
- BMS to stop selling DPs in CA
- New PPK / New exhaust / New 19's
- what mods next? need to feed the addiction!
- Question about cobb race maps.
- DP Fix Question
- Any Verts out there that have a Cobb tune??? Apparently not... :(
- N54 Modification Path
- DP dilemma
- Autowerk exhaust fit 135 and 128?
- 2009 n54 135i Rear Duct
- PPK1 vs PPK2
- Dyno before/after valve cleaning
- vrsf fmic 5" or 7" any have it?
- Low Pressure Fuel Sensor Replacement While Walnut Blasting
- going to get a protune what should i expect?
- BMS SSK
- Driveline Rattle after Rear Main Seal install?
- N54 n55 mufflers interchangeable?
- Methanol Questions
- Where did you buy your PE?
- Any one running WOT box?
- Rotors & Brake pads combo
- how to install cobb while charging battery