- Considering JB4 for my 335i (and intake)
- Dealer Update and Lowered Governor?
- Light Weight Crank Pulley
- Delete
- FMIC choice. HPF or Mishimoto
- weird symptoms
- JB4 not working
- LPFP upgrade and E85
- Options ??
- N55 PURE Stage 2 Turbo Upgrade - New World Record !!!
- Pro Tuning Freaks Review (COBB)
- JB4 ISO map 1 and map 5
- Tapping an untapped meth tank
- some problem about check light when disable JB4
- FS: JB4 N55 harness B
- Forge DV (model FMDVF20R or FMDVF20A?)
- Valvetronic issues
- charge pipe help
- Is this an air leak?
- AFE install issues
- modding to an existing PPK installed?
- What is a n55 engine and transmission worth
- N55 JB4 Availability
- jb4 app firmware question
- Mishimoto FMIC Help needed
- I am no craftsman but not happy with this Fitment
- n55 xdrive Build. where to start?
- Does anyone know who does Pe mod in long island?
- AE catback exhaust install DIY?
- exhaust fitment
- N55 Lag Issues - Please help?
- Cobb AP Tuning
- Vishnu Catless or Catted Downpipe?
- Straight piped N55
- E9X N55 What do I do to Tune it to FBO?
- Downstream O2
- Turbo to Intercooler charge pipe
- High pitch buzzing noise in the cabin
- Help passing OBDII emissions
- JB4 flucuation
- Another Catless DP Post
- Anyone running the Shifteck downpipe?
- My first mod ordered what next?
- 2 Step Rev Limiter?
- Another VRSF downpipe question
- what mod are you installing today?
- HPA foam air filter VS aFe dry air filter
- WTB: 335i water pump
- What short shifter kits are available for N55 335i?
- WTB: Charge Pipe N55
- URGENT!! Pic of ER charge pipe clamp needed.
- Battery Registration Issues with JB4
- Catless DP installing today
- Loss of Power with Muffler Swap
- Just got my VRSF catless downpipe
- Cobb v3 DME issue
- Car cranks but won't start.
- what Tune to get JB or Cobb
- Turbo lag issue
- Pulling mods for dealer visit.
- Should I be concerned? 2013 N55 335i Codes
- Any HP gain from Catted DP?
- Considering buying performance exhaust
- N55 Blackstone Oil Report
- New Coil Packs...WTF is going on?
- Car going into limp mode Help Please
- COBB turboback exhaust
- Alpine b3 Transmission tune
- Decision, ST or RBs
- N55 Baseline Dyno before Pure Stage 1 install
- N55 Pure Stg1 results
- JB4 ? 21psi
- Can I run race gas in my 335i?
- e90 335i (N55) catless DP sound/video clip
- Golf tee mod n54 335i
- Installed JB4 yesterday
- strange noise after JB4 install
- Pure Turbo DIY
- Need Help: Cant Pass Inspection
- IDK what FMIC should I get
- COBB Tune vs BMW PPK
- spark plug *official documentation*
- Buying JB4
- Cobb Tune sucks or My car has problems
- need hrelp adjusting tune for dp
- FS: AR 4" high flow DP
- E90 335xi with JB4 & BMS intake... what next?
- N55 Stage 2 Turbo, Catless, BMW PE - Too loud
- E90 N55 - doing PE mod, but what to do with resonator & secondary cats?
- jb4 with mods on dyno sucked. need help!!
- Car shutting off loooong idle
- 335i dme update 6mt
- N55 2 step using WOT box
- Pure turbos stage 2 dyno results
- Log of N55 Engine Shutter/backfires in low gears on WOT
- 2 valvetronic failures less than a week
- sometime i heard noise from engine transmission...
- Log Check, OTS maps prior to ProTune
- cooler for inter-cooler
- Oil Thermostat from M3/M4
- FS: BNIB AR Design 4" high flow catted downpipe
- n55 DP fix
- Clutch slipping at 51k!?!
- JB4 ROCKS
- BMW PE Tips
- Having an issue with my jb4/ code p0276
- Flywheel Compatibility
- Problems arise after beautiful detailing
- Delete
- All I "need"? Ordering more parts
- Improved cooling for n55
- 335is clutch
- Mishimoto Knockoff Intercoolers
- WTB a jb4 tune n54
- N55 Procede Install Help
- Stage 2 turbos
- Vargas stage 1 putting in work
- ProTuningFreaks Review
- Any issues with buying a used Cobb AP V3?
- Please post PTF/Protune dyno's
- When / Should I reset vishnu adaptations? (just put in new oem turbos)
- Car overheating fast on jb4 map 2
- Next Stage suggestions
- Cause for concern? Codes inside
- What is a good going rate for the PE Mod?
- Cobb ap v2 vs v3
- good engine coolant?
- Coolant Pump Blocked Code
- Tune with no charge pipe?
- Took the plunge (Pure Stage 1)
- Broken jb4
- Noob questions. I want a 12.9 1/4
- Best place to buy our OEM N55 intake filters?
- N55 -Dinan Stage II Dyno Results
- how much power with these mods !?
- JB4 map 2 help!!
- Performance Line Downpipes
- Wtb jb4 n55 harness A
- n55 ticking
- Got my fmic installed
- VRSF charge pipe O ring
- Logs on Stage 1 + ProTune
- flex fuel wire question
- DP install - My experience
- N55 JB4 Stage 2 New Install - CEL came & gone Questions
- N55 Alpina B3 Transmission Flash
- JB4 install: harness pinched with DME cover?
- Cobb Catted Downpipe Feedback?
- Sharing Cobb Maps?
- BMW 335i Perfomance exhaust on sale?! I c
- Running a E85 blend
- Multiple engine code after cobb instalation
- Hesitation at WOT in 4th-6th gear
- P36CA fault code?
- 1 N55 - 2 tunes PTF & Wedge ( Logs incl'd )
- 335i Exhaust Vacuum line noise
- Sorry for Another Jb4 Question..Dangerous?
- Eurocharged for 335i?
- N55 2C58 Fault
- Go Fast Bits (GFB) DV+ Diverter Valve
- Fuel pump bites the dust
- Downsides to JB4 Flex Fuel Wires?
- ViVA Performance SMF feedback sugestions
- Need help figuring out my 0-60 time
- COBB difference between stage 1 and 2 aggressive maps?
- 2011 E90: My new project
- What does this code mean? Pulled it on the Cobb
- JB 4 install. Disconnect battery?
- JB4 install - 335i coupe where are the CAN wires??
- O Ring Lube for charge pipe?
- JB4 install - battery discharge error msg?
- charge pipe install - boost sensor
- Low/Surging Idle
- Code from COBB AP HELP!
- Increase exhaust burbling? (PE-mod exhaust already done)
- Updating my JB4 for N55
- Catless DP... relocate rear O2 to behind secondary cats?
- N55 Oil Cooler
- How to stop car from powering off when installing Cobb?
- how much e85 can i run?
- Concerning Oil Temps?
- How long does the adaptation take on Stage 2 LPFP?
- Change Spark Plugs?
- What do you think the PO was doing? (exhaust flap)
- Pure Stage 2 Installed - No Boost
- JB4 vs. Cobb Tune
- Cobb Stage 1 Aggressive boost
- 0-60 with torque
- jb4 logging
- Has anybody ever adapted a ZF8 to an E9X?
- N55 Performance Exhaust Mod
- E90 quad diffuser
- New Cobb CP installed
- N55 Flash Tuning Greater Than 21psi
- On Pump gas, what type of power?
- Pure s2 n55 thoughts?
- exhaust?
- leaking downpipe
- This thread needs to be deleted
- Tomorrow the 335i comes alive
- Procede, updating help, Bricked?
- car idling rough and car is shaking! HELP!
- cobb n55 stage 1+ FMIC question
- Wow!
- N55/54 Chargepipe
- Oil Temp
- JB4 trouble, did I order the wrong Harness?
- N55 PURE TURBOS S2 intake/exhaust notes
- charge pipe broken...
- Catless DP fuel smell- how bad?
- What map do you guys use for non-fbo car with jb4
- Service Lights Came On while driving
- COBB CP install - forgot O ring?
- ER charge pipe not fitting, advice
- JB4 -- how do I use it? what functions does it have?
- Waterpump took a dump! 46k
- CAMflap
- Realistic Cobb Stage 2+ expectations?
- ETS N55 Chargepipe
- Pure Stage 2 results
- BMW PE w/ catless dp drone
- PTF Protune (e-tune) 335i N55
- JB4 questions
- 6MT Stalls in Neutral with clutch in
- On the road. Need help
- Limp mode
- jb4 iso 3rd gear limited boost
- Dinan performance exhaust NEW
- VRSF 7" FMIC: revert back to stock FMIC
- rough/weird idle with ac on
- P29D0 and P29E0, now what!
- CP/TB C-Clip alternative
- N55 can make power
- N55 Engine making a loud chirp chirp chirp sound?
- What to do now?
- Water /oil cooler part numbers
- BOV on Automatic
- 12' 335i Msport Auto or 12' 335is DCT
- jb4 iso multi features
- Bms intake n55 - strange noise at 1500-2000 rpm
- Canada: benefits from ethanol and flex fuel
- Is the OEM Power Kit Tune Region-Locked?
- Should I upgrade my JB4 to ISO and also how does this map look?
- Help! Problem with Cobb AP install
- Really rough idle help
- Thinking about changing exhausts.. Again to Vanguard V2
- What the heck?! 335i sport
- Downpipe install
- Blown Coolant Lid
- Sqeaking noise at idle