- Plugs for N55 Port Injection
- Manual Trans Feeling Crappy
- Corsa vs Magnaflow vs PE Mod
- how to tell the difference between a G4 and a G5 JB4?
- 6mt manual break in period?
- N55 JB4, Is this map 5 boost typical?
- BMW Performance Exhaust euro vs us
- Pure Stage 2 installation
- Mods/tuning for a newbie?
- ***Help Needed ASAP***
- Does Cobb support newest BMW ROM yet?
- E92 oem intercooler
- Jb4 installed and car won't rev past 2k rpm? Check engine light
- N55 -> s55 swap ?
- k+dcan n55
- Bmw N55 Jb4 Maps? Which do I use?
- Secondary Cats
- Datalog advice
- What To Test Next?
- Resonators placement on E90 ?
- I swore I wouldn't, but so it begins
- JB4 Functions
- Limp mode after ps2 turbo and other mods
- Dinan Stage 3
- Can someone please give me a estimate on my HP/TQ?
- Which Turbo and why
- Questions about bolt-ons, JB4, and E85
- List of Available catted and catless downpipes.
- jb4 harness installed without board
- JB4 Fuel Open Loop Setting
- 2014 335i Dyno ABS issues
- Kd can cable for ppk installation
- Clutch install help!
- Cobb and Dinan?
- Rumbling noise WOT in 5th and 6th gear after protune
- Flash n55 from 98G1B to 98G0B for payment
- Exhaust sound advice N55 E90
- is this n55 jb4 for harness a or b
- N55 wastegate rattle?
- Walnut Blasting
- Lots of crazy codes after turbo install
- Oil Oil
- FBO + E85 vs. the World
- Jb4 power wire.
- Misfires on idle?
- Muffler Delete Question?
- Stacking Dinan stage 2 with Alpina flash..
- Accessport Not able to Flash? Need Help
- Advise Needed: 2013 335i Performance Enhancements
- What fits? Interchangeable 335 and X1 35i
- Magnaflow 4x9 oval muffler - would this fit on midpipes instead of resonators?
- Problems with Shifteck
- This is why you want a warranty with these cars
- Cobb Announcement - Price reduction On Cobb V3 BMW Tune starting May 1st
- nevermind
- Does anyone have a sound clip of the AFE Catless Resonated DP for the N55?
- Did I lose my PPK tune?
- So, I installed my downpipe today..
- Manual Trans: Mt-90 and RE mounts review
- Question on N55 at 450whp+
- VRSF Downpipe with Vibrant Resonators
- AFE Scorcher
- Who installed your downpipe?.. And how much?
- AFE charge pipe?
- Intercooler pipeing
- syvec?
- Looking for someone that can virginize a Mevd17
- eospeed N55 intake manifold
- Water pump replacement question N55
- Jb4 e85 on map 2?
- Introducing the New 7.5 inch RACE intercooler from VRSF
- Waiting for e85 to mix in
- Boost Leak
- New Port Injection Install
- n55 E92 335i Intercooler?
- M2 Manzo Exhaust question
- N55 front seal - flywheel locking tool?
- Cobb Accessport V2 - E90 335XI - Thoughts
- COBB AP related: Why did the dealership upgrade your DME to 98G1B
- JB4 Data Log on N55
- JB4 Data Log on N55 (2011)
- BMS clutch stop adjustment
- Boost Issue
- P36CA Code - What is it really
- BMS DP without any tune
- quick JB4 question
- N55 jb4 user settings
- Pure Stage 2: FBO overkill and lag question
- N55 in E9X vs F22/F30?
- Switched (Ignition/ACC) 12V Near OBD Port
- 335i Exhaust/DP Mod
- Too many DP's to choose from...help.
- Squeaking from belt or pulley - any guesses?
- Clutch slipping?
- DP in the state of Md. Issues? Fixes?
- Pure Stage 2 Install
- Car Limp Mode after JB4 Install
- Cobb Accessport codes on tune?
- I/C upgrade on stock car
- BMW N55 Software detune, Throttle Adaption Reset, Sprint Booster/Pedal Box
- They found it...
- Cobb stage 2 +, questions
- Raced an Alfa Romeo 4C
- JB4 USB vs Bluetooth
- JB4 question
- E92 335i 6mt with m3 tranny mounts?
- I'm FBO and want to go stage 2 turbo. Is all i need fuel pump upgrade and turbo?
- COBB AP V3 for N55 335i DCT
- Help! P0442 Evap System code
- Io2 sim - it really does work
- JB4 Map 2 Safe to run with catless DP and intake with 91 oct?
- Exhaust Options?
- Weird Ticking Noise: Marbles in a Can - Video Included
- Possible 6AT slippage?
- P0108 code
- Pure Stage 1 and 100% E85
- Pure Stage 1 - JB4 Map 6 Settings
- Eccentric Shaft
- MIL/CEL not available
- Need jb4 help
- will DP fix also help cat fault on n54?
- New custom exhaust issues
- Need Help In Borla Exhaust Fitting
- Fuel Injector Replacement Torque Specs
- What do you guys make of this?
- Mysterious liquid near right front wheel
- TTFS tune today-Crofton MD
- Mhd tune thought and question coming from a NOOB
- help with misfire during dyno
- Monitoring LPFP/HPFP with Just Cobb AP, No JB4
- NEW VRSF ANNOUNCEMENT! Revised Catless and Catted Downpipes!
- N55 intercooler induction noise?
- turbo kick in rpm vs. opening degree of throttle
- N55 Injector Coding
- Do I need Fuel Pump Upgrade
- Transmission faulty
- Installed JB4 + ER Charge pipe - No boost?
- 335xi N55 stock torque results - is this normal ?
- How much e85 does everyone run?
- N55 Stock OEM Downpipe
- Mr. 5 Intake for N55?
- PPK2 Aux Radiator on N55
- AEM Multi Input Meth Kit 30-3350 Install Advice
- self-adaption of tuning programs?
- COBB N55 ATR Removed for Updates!
- Cobb AP V3 N55 First Impressions
- Oil Leak after downpipe install
- Cold start delete?
- Recommended DME Firmware?
- Driving along and car starts jolting and cuts out, running rough, help guys!
- FMIC Question.
- overheating. new pump and thermostat and still overheating
- FMIC without tune
- Pro Tuning Freaks bootmod3
- Jb4 Limp Mode Please Help
- AKG 75d Poly Motor Mount review
- Blown Diverter Valve
- Failed Inspection
- Exhaust valve - vacuum?
- Positive Batery Cable-broken
- Weird jb4 issue....
- Coolant Temp Issues
- New exhaust after tune....slight issue
- Stutter only in upper acceleration. Drives normal otherwise.
- DIY: How-to install a JB4 for a N55 E90
- Engine overheat light after FMIC install??
- Enzo big turbo N55 testing
- PPK flash with Windows10?
- Need Help Please - Data Log and Code 2c57
- N55 Starter help....
- 2011 335i Upgrades
- MPPK Exhaust Sound in N55 Automatic?
- NEED: *CRACKED* OEM N55 chargepipe
- X Drive Exhaust Options: Considering Aa Exhaust - Ae Exhaust - Corsa?
- N55 FBO, Proturn + aFe Stg 2 Dyno
- Extremely rough running + SES light
- VRSF Catback exhaust break in.
- JB4 Hijacked boost gauge shows >30 psi...what's going on?
- 2012 335is boost cut issues - log included
- Where do you buy your spark plugs?
- N55 VRSF catless downpipes for 2011 335i xdrive
- Spilled oil and broke wiring harness clip
- Rod bearings
- N55 Boost lag/surge issues after inlet + intake install
- N55 Charge Pipes
- New exhaust setup (pics and video)
- best tune - need help
- Can I get some help in identifying my exhaust (noob)
- Tired Turbos? +MHD Log
- N55 down pipe gasket wtf
- n55 335i Roughly how much horsepower should I be at with these mods?
- Cobb Supports 98G1B ROM Now!
- Charge pipe broke off last night
- Trying to sort out P013E & P013A codes after VRSF downpipe & DP fix install
- noob question on ER FMIC
- N55 Cobb new firmware
- Anything additional to consider at same time of JB4 tune?
- JB4: Which Map should I use with my mods?
- FS: Berk 4" downpipe and JB4 harness A
- ACF/VM N55 Top Mount Turbo Kit!!
- ESS stage 1 tune
- Installed procede rev 3 V5. Now have misfires.
- New MEVD17.2 ROM released (98H1B)
- Which Spark Plugs Should I get for my Mods: NGK or OEM Bosch
- Ticking noise coming from engine?
- JB4 log review
- Does our 335i have that.
- VRSF Chargepipe leak
- Boost leak
- Can you use Cobb without JB4 and run e85 with a protune?
- VRSF CATTED-DP gains with before and after dyno
- Dyno Results - FBO+ 335i
- 214 kW / 286 hp is this low?
- Lot of dyno numbers, here's mine (N55)
- Muffler Delete (Cabin rattling/vibrating noise)
- want to buy full bolt ons
- Turbo Spooling sound and after letting the accelerator go
- JB4
- VRSF Downpipes
- Dead
- What is this noise?
- Cobb arrives tomorrow. Who do I get protune done with?
- Need help finding out where squeking is coming from
- Have JB4 installed rn. Adding cobb today. Need a little help
- FS N55 2011 OEM stock downpipe $140
- where do i find the cobb OTS e30 map?
- N55 Walnut blasting?
- Pulley squeal
- N55 pod Boost Gauge
- How It All Started! (XPH 3 Year Anniversary)
- New e92 Introductions and N55 Exhaust Options
- N54 backend flash with Mac
- N55 Walnut Blasting - Before and After
- HELP! My intake clip fell into the engine area!
- MHD N55 & WedgePerformance Testing
- Jb4 n55 help
- N55 DTC Cobb AP
- JB4 Map 5 Reset Error, WARNING!
- Strange sounds after VRSF DP
- Few questions about mhd
- N55 Longblock F30 Vs. E90/E92
- Fuel-It's TBI Switch
- N55 Cobb ATR tuning Question (Spool mode?)
- Hood won't open!
- concern on JB4 pre-written maps
- N55 Downpipe Fix??
- VRSF DP fix?
- Mufflers
- vrsf exhaust
- top speed in 4th gear