- Water pump failures
- E90 n55
- Jb4 map 2 without DP?
- CAI
- Looking to get
- bms intake cleaning
- Lost cause...
- Moving On
- Weird Steering Noise Randomly When Hot. Video Inside.
- N55 JB4 log
- Transmission flash
- Reduced Power Mode after JB4 Install
- Catless DP without tune? Blow stuff up??
- 2 step n55
- best intake for n55
- Question regarding downpipe
- Would really like to know what exhaust this is...
- 02 connector help urgent
- Upgrade JB4 stage 1 to stage 2, DME version question
- Used jb4 from 135i to 335i
- What is an acceptable timing correction?
- COBB AP on N55 - PROs and (many) CONs
- VTT N55 DBB Stage 2 update
- California N55 owners with downpipes
- Installed JB4 - 2 sensor plugs didn't snap fit - CEL
- N55 BMW PE on a N54?
- WTB JB4 will pay for everything and extra money in your pocket
- JB4 NON-ISO Firmware
- AFE Cat Back slightly modified to fit 335ix
- Cobb uninstall now car won't start...Please Help!!
- Just bought an N55...need help/advice.
- RESOLVED: JB4 ISO Waterpump (fix in 1st post)
- 2E0F, 2EF2, 2EF3 etc & other JB4 Codes (misfires and more)
- VANOS recall letter...anyone get these?
- Turbos stopped working! Any Help Please!
- E92 Performance Power Kit is FSC code only??
- too good to be true?
- Oil Cooler Mounting Location
- VRSF Catless Downpipe Review
- Keep my E90 or get a 1995 Pontiac Grand Am?
- *WANTED* E90 Turner Exhaust
- Cobb Logs - How do they look?
- Questions regarding 101 octane and Flex Fuel Wires
- Spark plugs changed and..
- If you installed FF wires, click here
- JB4 stages?
- So my buddy is on the fence on getting an Alpina TCU flash
- jb4 emmissions testing.
- E85 no flex fuel wires
- Charge air temps Cobb datalog
- JB4 with BMW PPK & PE
- N54 UR vs VRSF DPS
- Downpipe fitment issues
- It's time to play another round of "what's that leak?"
- N55 exhaust
- *Solved* aFe Magnum Force Stage 2 Si - CEL after 2 days (P0171: Bank 1 too lean)
- Check Engine Soon light... Caused by DPs?
- Another COBB code thread
- Jb4 software?
- N55 335i Strange humming noise
- Quick Story and Review: Car purchase, JB4, VRSF Downpipe, ER Chargepipe
- JB4 User Setting
- N55-doesn't make boost with jb4 but does with flash
- S55
- Coolant leak
- Won't Rev at WOT.. Misfire?
- limited slip differential - Group Buy happening - please join!
- Just installed VRSF downpipe
- Race additive/fuel
- 335i manual issue
- Bentley Manual... N55 HPFP
- F32 435i Exhaust Recommendations
- 550 clutch in 335/135
- Boost Leak?
- Installing FMIC tomorrow. Any last words of advice?
- jb4 n55 codes need help to remove bmw x1 335 135
- Impressive MPG!
- downpipe install help!!!
- E85 with JB4
- M Performance Exhaust on sale at dealership $1055.65
- 335 exhaust mod idea - This may be off the wall crazy but...
- Already Misfiring??
- Adding coolant: what? Low coolant light
- VTT N55 Stage 1 upgrades in stock and shipping
- PCV System on N55 (may be reason for reduced carbon buildup)
- Possibly the first vargas stage 1 turbo :)
- What is the cord for?
- How much would you pay for a set of stock N55 mufflers?
- Can you pass NY state inspection with Catted Downpipe
- N55 VTT JB's not being Delivered and no ETA...
- Stalling?
- For sale or trade Cobb AP v3 n55
- 2step and NLS
- GoPro Mic Test (VIDEO) on N55 + PPK v2 + PE + DCT
- Electrical problem? I hope
- M4 engine mounts?
- [Readers Opinion] My future moves
- 2011 335xi Corsa Exhaust
- Another JB4 N55 Vargas Turbo Dyno
- been running jb4 map 2 without DP or ntercooler for about a month
- Question about BMS vs. Wedge Backend Flash
- Cobb Success Story
- Codes and Half Engine Light
- FMIC with stock couplers-Forge vs Wagner
- Racechip Tunning
- Cyba Tips Install In Nj!?!
- How is demand for N55 335i's? Considering value if I sell mine...
- Shift lag in manual transmission N55s
- sparkplugs for N55
- Anybody know what this n55 fault code is?
- cobb firmware update--do I need to reflash?
- E90 N55 oil cooler
- 335is muffler on a 335i (n55)
- CXRacing FMIC ordered..
- N55 Stock diverter valve
- shops in ny/nj
- JB4 inconsistencies
- VRSF or AA FMIC??
- Muffler Delete Engine issues
- WTB: Helix n55 intercooler
- Anyone ever seen massive axial play on N55 turbo?
- Back end flash questions (guide?)
- cobb ap
- jb4 stage 1 n stage 2
- Anyone here getting tired of their car?
- FMIC Fitment
- JB4 or Cobb None worked for me
- dp fix for n55
- MOTIV Motorsport/PTF Hardware release
- Jb noob
- Should I upgrade DME for Cobb?
- E85 or Meth
- Has anyone had their JB4 reset while they're driving?
- Jb4 "g4"
- "smart" o2 simulator? possible dp fix
- What's the best FMIC for N55?
- aftermarket dp on warranty
- JB4 Android App With Bluetooth?
- Jb4 misfire
- CP with/without Meth Bung?
- First Post, Cobb AP3 & Unsupported ROM Experiences
- Did my Vanos bolts just go??? (cracked CP)
- is it just me or is something wrong?
- seniors on stett oil cooler with thermostat delete
- Super cheap catback exhaust idea (with video clip)
- PPK Stage 2 - Extra Plug at Radiator Fan
- VANOS recall done and spark plugs are loose!!
- Coolant Overflows tank when open.
- Freshly installed JB4 - ISO question
- Performance Exhaust Owners in LA
- Jb4 ppk2
- Help in san antonio area!
- misfire cylinder #4 after spark plugs and valve cover gasket
- Still can't datalog...wtf
- Who's using Cobb ATR?.. custom E30 mapping
- HPF Gen 2 exhaust
- N55 + a turbo upgrade
- Max PSI
- 2011 335i Whirring Sound from Engine Bay?
- FS: ((N55)) AR design Downpipe, Jb4, and Cxracing interooler
- Car wont start...no power only flashing lights
- Some White Smoke @ Redline Normal?
- Is there a DIY for CP install?
- Recommendation needed for JB4 or JB Stage1
- Anybody that bought their car used and didn't activate Sirius... 2 months free
- Need help with log reading
- 335i xdrive 2009 feels weird today
- JB4 setting for going to dealer
- Jb4 g5 iso set up
- Meth map question and problem
- HPF Gen 2 Exhaust Fitment
- e92 coupe INJEN INTAKE FULL BLACK n55 engine only for sale
- COBB AP N55: unsupported ROMs
- Engine oil - N55 335 / 10-60 ?
- 335xi transmission noise - please help
- What do i need to buy for quad exhaust?
- COBB N55 Charge Pipe
- VRSF Downpipe Review
- anyone have experience with JL Motoring?
- new to logging
- DME Updated - Lost All Coding - Including PPK
- Can someone with a stock airbox post their IATs?
- ShaudFAB Top and Bottom Mount twin scroll manifolds
- Khoalty experience?
- N55 how many times WOT a day?
- Having trouble installing FF wires 11 N55
- No N55 Race Maps available, right?
- How many miles has your n54 been tuned?
- Coolant High Temp help
- Installed Cobb Tuner, affected my Alpina flash?
- noob exhaust question
- jb4 issue
- N55 Blowing Giant FIREBALLS after tune!
- Vanos bolts breaking during road trip?
- N55 catless exhaust with resonators
- N55 jb4 going into map 4, clutch smell?
- Car smokes with JB4 on Map 5?
- DME Encoding?
- Catless E93
- Shiftech (UUC?) Short Shift Kit Install and Performance
- MOAR BOOST PLS - jb4 question
- Jb3 2.0 How To Datalog
- anyway to make performance exhaust louder?
- DME Updates/upgrades
- TURNER Corsa Performance Axle-Back Muffler System
- Any N55 Engine Mount DIYs out there?
- e92 cobb tuner v2 unit (Broken screen :()
- FS 4" CYBA Burnt Tips
- N55 Thermal Imaging
- N55 Thermal Imaging
- Power loss late in 20 min track sessions
- FMIC lower charge pipe
- the age old dilemma PPK1 vs aftermarket
- Sparkies changed:)
- Muffler Delete W/Straight Pipe vs Full Exhaust System
- N55 runs an 11.93 1/4 Mile?
- I need opinions/advice
- BMS DP, Cel fix and COBB tune question
- Meth kit or stick with E85
- Gurgling, burbling N55 on deceleration
- Trouble after PROcede V3 install (P0108)
- Which Harness Do I need referring to the JB4?
- N55 Emissions testing
- which DP should i get?
- Injen intake
- FlexFuel Wires question
- N54 plugs on N55 PPk1?
- Finishing touch-BMS Intake on FBO N55
- Any news on the VANOS recall front?
- Debating putting back my stock airbox with my foam filter
- My N55's Manufacture date? Cobb flash-able DME?
- Question about JB4
- Good news- getting my VANOS replaced this week!
- Vrsf Fmic & Cp
- Pure or Vargas Stage 1?
- stacking tunes question
- On my road to FBO
- Cobb or Jb4?
- Dealer replaced injector
- So not only did I have my VANOS system taken care of under warranty...
- 335i leaking red fluid
- FMIC, DP and CP choices
- IAT report: BMS Intake for N55 vs. stock with foam filter
- Odd shifting issue with '11 335i E92 N55
- Turbo upgrade - Available options
- DME upgrade option
- a quick JB4 question
- Fastest shifting method for Auto 1/4 mile?
- Tmap Sensor maxed out
- Anyone install these BMS cowl filters yet?