- BMS 2-step NLS issue...
- What to run on jb4
- oil leak
- RB dyno results
- JB+ and COBB's Accessport V3
- should i stack??
- All the horsepower
- Pretty sure i know the diameter... but just before i click buy. Please confirm
- Mixture Control Codes 29E0 and 29E1
- Quaife Install Question
- fried ecu with Procede install error?
- ProRace Tools - Data Log Reader
- 2009 335i 89k miles
- Brakes
- Second owner of Jb4. Need help
- Vacuum pump for wastegate adjustment.
- Maintenance 45K
- 6MT post-Shift bog
- N54 engine light and rough idle
- Steering wheel angle sensor
- Muffler Delete
- MagnaFlow Mufflers?
- Cobb Tuning
- COBB Selftuned 335is Traps 120+ in 1/4 Mile
- Quick Question exhaust flow?
- jb4 map 5 throws code and shudders after WOT
- MOTIV Motorsports - Introduction & Information
- RB TURBO question
- Gas Mileage! (Yes another thread)
- proTUNING Freaks Update
- For all those who have done the "PE Mod"...
- How to diagnose injector failure
- Smoking,but no oil lose
- Estimate of my awhp and awtq?
- VRSF catless down pipes PA emissions?
- BQ Tuning by WedgePerformance - 444.5 whp 508 wtq
- Help! Walnut blasting sandblaster failure
- RB Track Night The Good The Bad The Ugly
- Had my secondary cats removed and it sounds like crap
- Procede Rev3 Issues
- 0DA7 Fault code
- Help needing jb4 updated
- New Spec Clutch, Weird Sound
- Car Battery Died Just After My Tune Finished
- New oem turbos or Vargas oem?
- BQ Tuning by WedgePerformance - Announcement
- 335is won't launch
- FFTEC Single Turbo Kit, LOOK OUT!
- jb4 help
- Great deal on coils and plugs
- RB's 2.0.....Vargas 2.5??
- Turbo Siren
- Auxiliary Radiator based on the PPK
- Glow Ignition (superknock) Codes Driving me Crazy!
- Suspected blown turbo.
- Misfire and Low RPM Idle
- Would adding some E85 to regular gas get rid of my timing drops?
- Cobb personal opinions
- fftec vff900 kit
- ER cp + HKS bov pricing help
- Monitors won't set!!
- Carbon Cleaning Tampa Area
- Can OFT do battery registration
- HPFP Part Number Newest?
- Car's running great, but recalled for fuel pump
- Burning Rubber Smell after driving a few miles
- few reasons why to get "Fuel it" walbro kit
- PTF FTW!
- N54 Dyno Results :: JB4 + DCI
- E85 and Meth
- IS exhaust?
- Flex Fuel sensor with COBB?
- JB4 for N54 engine
- Power Steering Belt Help
- charge pipe question
- Single Turbo - 335is - DCT Trans
- is my JB4 and Alpina Flash causing issues?
- HELP! n54 engine power loss
- Need 2007 or 2008 335i 6sp for Shift Rod Testing - FREE PARTS
- datalog
- Vacuum questions.
- Help! 335i not starting after DME work
- Stealth meth reservoir
- BQ Tuning by WedgePerformance - Data Logs
- Help! 335i Multiple Dealer Repairs
- Boost over target help!
- problem after fitting charge pipe
- Where do I find the step-by-step Engine removal procedure 2010 335xi?
- Any updates to the VTT Stage 2+
- clutch replacement info?
- Datazap logs, RBs + full e85 stock hpfp 455 in tank PLUS meth
- E30 log. Corrections on all cylinders.
- Exhaust Help !?!
- JB4 PnP installed! Great product!
- Weird sputtering idle randomly
- TMAP sensor did the trick, thank you WedgePerformance for the help out
- O2 error code
- When do you guys start meth flow? And are my meth settings correct?
- Stock Exhaust bracket on aftermarket piping?
- Misfire issue
- 20.2 PSI boost on Cobb Stage 2 Aggressive?
- Cleaning intake valves
- anyone saw this charge pipe bov before ?
- BQ Tuning by WedgePerformance- 1/4 Mile
- electronic Exhaust Cutouts?
- Wastegate Rattle or Exhaust Rattle?
- INA0S ROM
- Hard Jerk from 2nd to 3rd in Auto Transmission
- 30EF issue
- Need Shop for LSD Install In Northern California
- Butt HP
- Thoughts on "golf tee mod" unplugging
- CEL light for catless downpipes with JB4
- Side effects from running x-kitty 24/7 ?
- Oil Catch Can
- Bought a 3.46, got a 3.08..
- Update to my misfire issue (2 months later)
- Dinan Stage 2 versus Cobb Sport
- Cobb V2 from 08 535 xi - will it fit 335?
- Low boost, fault codes 30FF and 2C7B, related?
- Let's Talk Downpipes...
- No LPFP sensor on Z4 35i. What does this mean?
- A roaring exhaust
- 335is Godzilla E60 Map Stock Turbos - COBB
- BQ Tuning by WedgePerformance - Stock Turbo World Record
- Quick kickdown question
- Wrapping DP's
- RB Turbo - 1/4 ET 11.2 @ 123-125mph
- Lost control hit curb cracked subframe!!!! Help please (with pictures)
- Noise at Higher RPMs, Not Wastegate.
- RPM rising to 750??
- Smg tranny swap in E90 335i
- Console setup
- Spark plug arm broke off in cylinder
- Great News for the DCT! Vargas & Dodson Partnership
- LSD Install Questions
- Why is Boost so low?
- "Compound Boost" - A Supercharged and Bi-Turbocharged N54?
- Vrsf v2 downpipes clearence issue?
- JB4 2-step/NLS install problem
- Bad dme what are my option?
- Halloween Party at the Shop. (tuned)
- JB4 Wastegate Rattle
- Cylinder #2 carbon fouled plug x 3
- Stock vs. JB4 map 2 Dyno
- Active Autowerke Strut Bar - worth it??
- Leak from solenoid (BMS Meth kit)
- Misfire = no turbos?
- Charcoal filter delete and silencer removal mod on N54?
- Service Engine Soon after installing oil catch can and RBturbo pcv valve
- Clutch might be slipping?
- BQ Tuning by WedgePerformance-335XI 1/4 Mile Record?
- Looking for pics of ER black ano FMIC installed on a BMW
- What is this?
- Cobb users who switch maps from reg. to E30 - do u get P2AAF (Fuel Pump) codes?
- VIDEO, Several issues help diagnose
- Intake Cone cleaning
- proTUNING Freaks - New website
- JB4 users: I have a gauge hijack question
- Car won't start and is not responding
- Intercooler 5 or 7 inch??????????
- Cobb AP questions !
- Does 335's come with alternator fuses?
- 30FF code-boost leak
- MAP Sensors
- Code reading jb4
- low stock psi?
- dp fix for procede
- Modifying Exhaust Valve?
- VTT Stg 2 Turbo pics!
- 2E83 After Waterpump Replacement
- Valve cover replacement/ walnut shell blast in prep for new VTT 2+'s
- Chargepipe vs. Intake?
- ppk 2 radiator?
- Swapping Clutch..... on an XI?
- Awesome non-FBO tune
- 3 dealers later..
- P30FF/Cobb E30 map/no leaks/JB still installed
- Come All Vendors Come!
- Best N54 engine bay pics
- Strange timing drop on all cyl
- Quick FFTEC Hot Parts Kit Review
- 100k Miles Service/Check
- help how to close hole on stock charge pipe n54?
- P2ABC (Boost pressure sensor, electric) NEW CP MAP sensor, code & limp mode still.
- First time Datalogging
- LSD and welded ring gear question
- Help!!! Boost-be-gone
- Clutch/flywheel question
- E85 questions...
- Hfs-4 with bms FSB & jb4
- Cylinder misfires
- New Turbos - New Logs
- Black Friday Sales??
- new oem turbos (break in period?)
- Jb4 void CPO?
- Cobb - Fuel Trim / O2 diagnostic help please....
- 335i xdrive - 12.272 1/4 mile - 93 Octane - FBO / PTF
- MOTIV Twin-disk clutch unboxed
- E93 Meth trunk set up??
- Help with codes please...
- A Broken piece of the serpentine belt wrapped around crank pulley
- BQ Tuning by WedgePerformance - PreDyno Logs
- Wastegate stuck open after first HPDE
- N54 Turbos spooling excessively loud
- Dyno results - FBO 335i with PTF E-Tune and 93 Oct
- X-pipe H-pipe
- N54 oil pressure too low light; 2A7C and 3100 codes
- Delphi Ign Coil - Boot Stuck
- Coolant Leak?
- 335i exhaust mod help
- BMS Pump flash help!
- Map 1 vs Map 2 vs Map 5
- HELP! I think my engine is a gonna!! Engine knocking....
- Boost Leak? Datazap included
- How much for dealer to replace vacuum lines with Turbo replacement?
- Cobb E85 Fuel Scaling Questions
- Where to start (with mods that is) on a 07 335i?
- DCT 335is Official Signs of a Failing Driveshaft
- Exhaust sound
- New JB4!! Let's talk supporting mods
- Best methanol set up ?
- Need a real answer, nothing else!
- muffler delete question
- N54 335i Crackling / Ticking / Knocking Engine
- Help me please!!!! ECU bricked
- Should I remove the Thermostat by-pass (Oil Cooler) ?
- E85, 29F3, and some serious engine malfunctions.
- Kicked OBDII port - broken
- Heads up to anyone with rough stumble @ startup/idle
- N54 jb4 backfire?
- Anyone own a Jetta TDI?
- Catless downpipes e90
- clutch replacement
- Aluminum bellhousing bolts... Discontinued?
- Stage 2+ shipment begins in earnest
- BQ Tuning by WedgePerformance - DynoJet Stock Turbo World Record
- Oxygen sensor on DPs
- Doing my build-Vargas 2+ this week. Woo hoo
- wire colors of Sub D-25 from the JB4 G5
- what is this?!
- Found NGK 5992 & Bosch stock Plugs Cheap
- Akrapovic E93is?
- Spec Stage 3+ owners in here
- Off the line pull.
- Camshaft bearing ledge issue
- More Than One Way to Skin a Cat
- Installing Fuel Injector Hold Down Bracket
- Project Results! E93 N54 335i - PTF E50 Cobb RB Turbo - 1/4 Mile, Dyno, Logs
- FS: OEM Intercooler & Chargepipe (Going back to stock??)