- New Clutch Recommendations
- N55 boost leak diy?
- Catted DP on xi with no CEL - best options?
- Mhd reset adaptations
- Need to pass emissions have Mhd & dp fix still getting cel. Help
- What is this noise?
- BMS E Series N55 Intake Coupler - New Product!
- New VRSF charge pipe - do I need the buy a new o-ring?
- Single Mass Flywheel - xDrive 335
- NEW Evolution Racewerks N55 Turbo To Intercooler Pipe
- MHD won't connect with ignition on
- Used Oil Analysis - High Aluminum
- Cylinder Correction/Timing scaring me
- Car Went To Into Limp Mode And No Boost When Turn Jb4 Off.
- Still stalling out, where should I check for vaccum leaks?
- Ticking Noise coming from Engine
- Help me diagnose my long crank/cold start issue
- Windshield wipers not working correctly
- Possible fuel pump leak
- Common Expansion Tanks Leak Points?
- M2 Engine in a LCI e9x or e8x?
- Rough idle/ shut off by itself
- E90 behr radiator for sale 170 obo
- What causes a MAF to blow??
- Am I about to blow my turbo? Help with log!
- Turbos are toward the end of their life; do I buy JB4
- Low pressure fuel sensor not where it should be
- JB4 Wrong Harness?
- Help!!! HPFP rail pressure fuel filter remove.
- Boost leak!
- Meth Injection With Stock Turbo FBO
- Anyone Know Where This Part Connects To?
- Sudden hiccups/studdering
- AIC6 Port Injection Flash Only
- Remus + Downpipe mod
- Carbon Buildup
- Should I go MHD E30 Map?
- Anyone tried this boost leak tester before?
- Help Me Diagnose Stumbling Idle/Stalling
- M3xi?
- Valve cover gasket related to boost issues?
- Mhd and xhp backup files
- Maintenance/Upgrades during DP install?
- Packaging a dme for shipping
- Burger Tuning Piggybacks Comparison Chart & New Warranty
- ZMR5TPP330 (S55) Spark plug in E92 N55?
- Turbo to Downpipe leak?
- Is 55K miles too much ?
- Freshly Rebuilt N55 Oil Leak
- Bms intake for n55 e9x, any problems?
- N55 PWG Stock Turbo 1/4 Record
- Need Fault Code Help
- PE Mod for N55 Exhaust
- XHP flash with JB4 on (whoops)
- Strange rattle from exhaust
- Can someone help me out with my turbo lower inlet hose?
- Catless Downpipes vs Emission Inspection
- Speedtech Stage 3 Install Problem, no power to car!!
- N55 rod knock/spun bearing tracking
- What kind of gains should be expected ?
- Mods to support E30 or more?
- PWG N55 vs N54 boost control setup
- MAFless on E series N55?
- Non oem 335is motor mount source?
- 2011 335i Intermittent No Start (SOLVED)
- JB4 Identification
- JB4 ISSUES
- Oil Leaking from Turbo
- Cars Stalls Then Does Not Start For A While
- MHD Stage 2 Overboost?
- Injector DIY
- Starting Build with Reliability Mods
- Has anyone with a 2011 E9X had their LPFP go out?
- Timing Chain Tensioner
- Is a FMIC necessary ?
- Blowing White Smoke, How Much Time?
- Need to replace factory turbo; replace with Pure Stg 1 if all stock?
- Passing Emissions without DP Fix *SOLVED*
- 2c57 cel low boost
- Any one with knowledge n55 intake studs!!
- Update me please on MHD/JB4
- HPFP on its way out?
- CEL Fix ?
- Blown boost hose...
- N55 o2 sensor DIY?
- Car stalls, electrical issue?
- Bov On N55 !
- Pure stage 1 review.
- Chargepipe Kit + BOV
- Exhaust is too quiet
- Mhd code reader
- Exhaust setup
- After market Catback reliabilty concern and engine light
- Rough idle when engine is warm
- 5w-30 vs 5w-40
- Removing Broken Belt Tensioner
- An interesting series of events...
- JB4 Error Codes
- N55 MHD burble settings not on app?
- Limp Mode
- XHP flasher shift adjustments!
- N55 Software Update
- Help identifying if this is a Pure Stage 2 Turbo?
- Cobb/chargepipe/intercooler.. is it worth it alone?
- N55 JB4 Overboost/AFR Issue
- N55 Pure Stage 2 Turbo For Sale! $1750 Shipped
- N55 rebuild and bigger turbo
- What can I do to help decrease drone?
- Poor idle from ambient temperature cold
- Detect common N55 problems using OBD2 Scantool?
- 2013 e92 335i flash tuning options
- What to do after JB4 Install
- Waste gate
- 335xi catless downpipe /w secondary cats
- For sale: Bms jb4 n55 harness A with Bluetooth connect kit
- Caution N55 Owners: All Delphi Coils Are Not The Same!
- Mhd s1 to fmic and mhd s+?
- N55 Speedtech guys?!
- Somebody HELP Please!! Crazy E92 N55 electrical problems..
- Where to by bmw performance exhaust
- N55 PR Coil Kit DIY
- Engine malfunction
- Delete pls
- N55 HPFP - Similar replacement procedure to N54?
- E85 Mix
- E90 N54 Custom exhaust in California
- Boost over target and Boost under target
- Speedo stuck at 160mph during casual driving
- Under boost targets
- check engine light
- N55 Pure Stage 2 question
- 335xi vs Mercedes C43 AMG
- BMS Oil Catch Can Installation Fitment
- MHD Stage 2+ Spark Plugs
- Logging with INPA?
- After effects of Outlet(s)??
- Help please: No boost, bad mpg, erratic idle, few codes, CEL on
- E-Bay Charge Pipe?
- VRSF Customer Service
- 335is Muffler
- MHD Custom Map Tune
- Code 315A (P2421) Fuel tank valve: jammed open - may not be what you think?
- Engine running at reduced output ?
- vrsf 5" fmic - wrong coupler?
- Water pump replacement issue - '11 335xi
- N55 BSD faults and misfires
- Vibrant 1141 2.5" Ultra Quiet Resonator for E90 N55
- Upgraded Radiator
- Overboost on stock?
- Prevent auto Map 0 when connecting OBD port
- Good Ideas for checking boost leaks
- How to achieve readiness ?
- Twisted Tuned stage 3 n55 kit
- Ps2 spark plugs
- Mhd and dealer visit
- P0300, P0172 Car Idles Rough Only When Engine Is Warm
- What do you think about the price?
- What intercooler to run with MHD stage 2+
- Injector Advice
- N55 New Bolt ons. Possibly Boost Leak?
- What device to run MHD on?
- Sick and tired of these high pressure fueling shenanigans.
- N55 E92 not idling properly
- MHD Tuning - Failed to Authenticate/Failed to Write DME
- Take a look at this log, might have a FF problem
- Check engine with JB4
- Factory Downpipe?
- Under Boosting
- Extreme Power House | New Product VRSF High Flow Upgraded N55 Aluminum Intake Inlet
- Extreme Power House | New Product VRSF STAINLESS STEEL MUFFLER DELETE
- Help I'm brand new to the forums and having so problems with my car.
- N55 Vacuum Lines/Hoses Replacement
- VRSF DP Fix Code
- DIYed PE Mod
- Suspension Creek off the line bushing?
- JB4 map0 with MHD custom flash
- Someone please help - problem after bench flash
- Radiator replacement
- Car Just Sits There???
- Lower boost with new FMIC
- 3.5 bar tmap sensor
- Cobb AP - ran good for a few days, now "engine malfunction"
- REMUS SPORTEXHAUST - Graz, Austria Factory Tour
- Erratic patterned STFT at idle
- HELP - Won't start after trying to flash a MHD map
- Coolant in oil?
- Is rotella Oil ok for 335i ?
- Ethanol mix ?
- front control arm bushings
- Issues flashing F-series BEF on an E-series?
- jb4, catless DP, cat sim, emissions issue
- N55B30 Engine Code location?
- Do I need an upgraded N55 fuel pump? If so, which one?
- Can someone help with my MHD Log?
- n55 crank pulley e90
- Ses light on with some random codes
- help with low boost
- Best Downpipe?
- OFHG Replace and Engine Seized. No Metal Shavings or Coolant in the Oil
- Dp fix
- Waterpump? Thermostat? Radiator?
- Rev Limiter on Auto Trans
- Surging idle when in drive
- Is there a leak or what?
- Help finding part number
- Catted DP
- Question regarding new motor under extended warranty.
- M3 differential swap weld question
- N55 Spark Plugs
- E85 Blender Pumps
- Fmic
- HPFP out of stock everywhere
- Better option for stock N55 car-BM3 or JB4?
- Drive Shaft Balance for M3 Differential Swap
- engine stalling in park.
- : BMW 335i x drive 2011 ps2
- Screech after reving engine
- Stock charge pipe install / VRSF CP for sale
- M3 differential swap drive shaft size question
- pure stage 1 or STEAMSPEED STX 67?
- deive shaft cut, weld and balance
- Losing Coolant Quick
- Replace, Rebuild or?
- Is my N55 fu#ked?
- HPFP REplacement
- Car won't start. Awd/Dsc and start off assistance malfunction.
- Loud ringing & other issues
- n55 engine date question
- N55 Flex Fuel Options
- Updated VRSF Downpipe with High Flow Cat?
- How long will parts last after replacement?
- F-series JB4 OBD plug addon
- Meth Kits AEM vs Snow with MHD
- Used vs ReBuilt N55
- Timing corrections all over the place. Help!
- Redoing my Plugs and Coils
- What else should be next for my FBO N55?
- Auto rev matching on 6MT??
- Question about Precision Raceworks coils for N55
- Dinan vs Eurocharged Tune
- Coolant bleed protocol?
- 2011 N55 E93 VSRF Catless DP
- N55 Hitting Boost Late/Slow
- large catback rattle fix
- Dealer visit
- Next modifications?
- Codes P29D8 & P36BD
- N55 Diverter Valve
- Is this BMW coolant?
- Rod bearings question