- Rough idle, misfires and codes galore. Stumped.
- Getting rid of heat
- MHD Desensitizing the knock tables
- XHP Flashtool failing
- Hiccup at Idle
- Boost leak?
- Auto transmission decel/accel thump noise from underside
- Turbosmart Diverters
- Resetting adaptations after maintenance/repairs
- Catted N54 power
- Solenoid DIY Trick
- oily spark plugs but compression test is clean
- Stock E93 - Flat Spot
- Smoke from exhaust but goes away (strange)
- Welded (locked) diff on a modded 335xi
- Sudden loss of power. No codes.
- Do bad turbos puff at idle?
- N54 valve spring removal tool
- N54 Power in High Temps
- N54 Oiling Diagram
- N54 missfires and knocking noice
- Found a jb4 g4 in my car is it compatible with g5?
- Thermostat Temp Sensor
- change turbos when doing oil pan gasket?
- Recurrent 2C7E Emissions Control Code
- In-and-out of power, sluggish
- LPFP booster
- Delete
- New Oil CC Option
- boost problems
- JB4 as flex fuel?
- Anyone have an n54 xdrive oil pan torque sequence
- Boost Leak Test
- Flashing a custom modified BIN to N54 DME without paid MHD?
- Fluid leak from the back of my car
- Question about the n54 335i OEM Performance exhaust
- Custom xhp settings, need help.
- Arizona INPA help
- Injector seals as preventative maintenance?
- Front turbo leaking on CHRA after WG rebuild
- Vibration fixed by using XDelete? Im confused...
- Knocking, plethora of codes, about to pull motor...
- Upgrading Vacuum DV lines
- N54 in E92 M3
- Can you identify this n54 sound!
- Adaptation Reset / Drive
- n54 engine swap thi weekend, ECU and MHD question
- Vacuum lines on a RHD
- LPFP Pressure Value at WOT?
- MHD tune fail need help ASAP please
- 2007 335i LPFP Upgrade questions
- smog with jb4 and back end flash?
- Unknown Flash, safe to over write?
- Looking for E93 cat back exhuast system
- Does R&R clutch require SAC reset?
- Stock downpipes worth?
- Drag strip!
- (Diagnosing Logs) FBO 2007 E92 335i MHD Stage 2+ v9 Log
- To build or not to build....
- N54 Inlets Question
- Fs: N54 jb4 $100 obo
- RPM dips under WOT?
- Vrsf Clone Exhaust
- Causes for slacking AFR jump to 234?
- cold start rough idle leads to stalling
- Downpipe recommendation question
- Stock Car Heatsoak
- Bimmerlife coil problem
- Downpipe O2 sensor fried
- Fuel-It N54 fuel pump upgrade
- Cheap Amazon catch cans....worth it?
- What is this siren sound?
- Question for DCI and BOV owners
- Timing spikes
- 335is/550i Clutch Torque Limit
- Help Troubleshooting Please (With Log)
- Consequences of unplugging the fan
- MHD Detectable Once Removed?
- MHD wifi dongle
- Single turbo parts
- How can I go faster stock turbo?
- Should I upgrade Coils?
- pressure test problems
- 2AAF and 2FDB shadow codes, anything to worry about?
- What do I need with upgraded turbos
- 6HP19 high Adaptation Values – anyone had success?
- ...
- stock exhaust - a component between secondary cats and end mufflers
- Help finding this oil leak
- Idle AFR's....what's normal?
- Does the mhd back end flash stop the c a t monitor from showing
- 30ff, loud turbo sound w/ log
- Starter Replacement - Where does this wire plugged into?
- Non-OEM V-bands ?
- SOLVED Could a bad MSD cause my coolant pump to run constantly?
- Dual oil cooler brainstorm
- HELPPPPP!
- Cylinder 1 and 5 misfire-07 335i e90
- San Diego Local n54 Aftermarket Exhaust
- Turbo Seal Fun Time
- Cooling System Mystery
- Helix 3x or BMP P/I
- My diy dual oil cooler setup
- Leaky injector?
- Anyone run Tial QR (Recirc)?
- N54 Can I run MHD on Stage 0 or Stage 1?
- Which manual trans on '09-'10 335i?
- Bump Stops installed Backwards?
- N54 Hesitant Power - Unpredictable throttle
- Accelerating Turbo Wear
- Can someone please take a look at my datalog?
- Occasional 30FF after fender bender
- Oil catch can necessary?
- VRSF STREET VS VANGUARD V2 N54 335i
- N54 Water Pump Help
- Aftermarket inlets w/o outlets?
- I Hosed My Electronics, HELPPPP Please
- External PCV/Flapper Delete Question
- Dynomax Race Bullet muffler
- Use manual trans mounts for automatic?
- Post Cat Oxygen Sensors plug in orientation
- K+Dcan issues
- To what extent oil in intercooler is normal?
- My Turbo Lag Issues - I Think This Is The Problem
- JB4 Overboosting Issue
- SOLVED: Boost Codes 3100, 2ABC: VRSF CP, Tial, stock intake
- Cylinder 3 misfire, runs rough. Bad injector? Need help.
- Does a turbo job really needs to have the subframe dropped?
- Where does this wire go? N54 Jb4 G5
- DTC 2D2E and 2ABD after COBB Stg1 tune
- 29D2
- Mhd question
- "Spacer" between clutch slave line and fuel line (PIC)
- Limp mode n54 wierd leak
- Dinan Shifter Slop
- Slight rattle and vibration in wheel when ac is on
- Mystery Lean code and misfire help
- Any easy ways to identify whats causing a misfire?
- can somebody check out my MHD log
- Ofhg but not ofhg leak
- Semi-rough idling
- 600whp turbo recommendations
- Vanos readings/MHD Log
- Turbo install kits
- Stuttering on acceleration...again
- Single turbo which spring to choose for wastegates
- Does the oil cooler get filtered oil?
- Correcting 9.5:1 back to stock CR.
- Found My Tragic Oil Leak 1 Year Later
- Transmission malfunction
- Downpipe Flanges
- my car no longer drives (manual trans)
- Remanufactured index 12 injectors
- Alternator Question
- BMW 335i constant misfire under heavy load?
- Oil leaks
- Car isn't fast !
- Datazip log
- Chirping noise coming from underneath the car...
- Pully Noise
- Low oil after recent oil change n54
- Jerking/misfire during startup
- Bov o ring
- 30FF after a round of maintenance/mods
- The 2020 saga of my 2008 E93/N54
- Shredded belt need some input
- Rough start on 08 335i e90
- Alright whats the deal with dialetric grease on plugs?
- Multiple Cylinder Misfires
- 2C3A CODE
- Advice on JB4 Kit
- Winter Driving?
- What could be causing this rough start?
- N54 head stud kit
- MHD Fails to write stock
- Does MHD have the same "anti-theft" properties that JB4 has?
- Not hitting target boost, acceleration rattle
- MSD81 replacement, what else should be replaced?
- 5 stepped vrsf or 7.5 vrsf
- Oil
- MHD rattle fix?
- Mhd won't connect to the ecu
- Rbturbo or Vargas
- Belt issue
- Low Pressure Fuel Pump + Housing Replacement question
- Misfires at WOT Bimmerlife and N20 Plugs
- Main Bearings Limits?
- Easiest Way to Measure Boost?
- Error Codes 29E0 (Fuel mixture) and 29CF (misfire)
- TURBOS
- LTFT & STFT off, superknock 30f2 misfires
- Possible oil pan leak?
- No Power -- MSD81 Water Damage -- Help Please
- Mhd read my log
- 335xi vibrations while driving
- Oil cooler retro fit
- Walnut blasting question
- N54, Where to buy all 4 02 sensors?
- Car Freaked out on V7.1
- Single Turbo LAMBDA Problems
- GruppeM Intake Experience
- Oil leak HELP!
- Injectors needing coding?
- Lightweight flywheels and perf clutches.
- Paddle Shifters Not Working PLS HELP
- ETA: FIXED. New motor, wont start; Inpa Error #100 Sys-0010 Initialization Error
- 2008 335i Low Boost no 30ff
- Log Check Please
- Need to smog my car but monitors won't fully reset
- Recommended flywheel and clutch.
- Engine knock???
- New turbos, limp mode PLS HELP
- 6-Speed Auto wont move! Sealing sleeve cracked
- Updated N54 Turbo options
- What's leaking now
- Think I broke something....
- Built block - crankshaft balancing?
- N54 Engine Accessories For Sale
- Misfire cyl #5 and oil around same spark plug
- More bs error codes
- Cheapest place for spec flywheel
- Log Data / Troubleshooting RPM Surging
- Part numbers for thermostaft electrical connection?
- Washing/cleaning engine and engine bay?
- Triple checking to cover my a$$
- Vacuum lines
- Oil Leak
- I've never seen so many codes before... PLEASE HELP
- N54 Single Turbo Overboosting (2ABC & 3100)
- Need advice on modding my 335is with DCT.
- First time tuner
- *NEW* Injen X-Pedal Pro Black Now Available!
- Rebuilt motor just died, it will start but dies soon after starting.
- Motiv flex fuel installed, now immediate low idle on cold starts.
- Waiting on DME monitors to reset but it's been 2 months
- Gas tank only fills half way
- Injector and turbo questions
- Changing out transmission HELP
- Which exhaust to get?
- DataLog check
- 335XI engine swap tips?
- Do I need to get a new TMAP sensor?
- Rear differential locking ring
- Running E50 fuel mix with an E40 tune....any issues?
- Solved
- 2F30: Charge-air temperature sensor
- dreaded engine malfunction light
- 335xi quad exhaust for M3 rep rear bumper.
- PURE 600s question
- 2A82 vanos code issue