- Overheating after new thermostat + water pump - No codes: How to diagnose?
- Water pump on ramps
- Why is my stock exhaust 335is so damn loud?
- no start 335i.
- Another No Boost Problem
- Occasional Cylinder 5 Misfire on high speed
- Megan Supremo M3 exh on e92 335i?
- Autocross woes
- Turbo oil feed O-rings
- More Error codes
- 2caa and 2ca6 fault codes
- How is called this exhaust sound ? (Not wastegate rattle but sounds similar)
- docrace single turbo installing question?
- n54 29DC 2AAF Codes Limp Mode LOGS
- Is there a smooth map in MHD?
- Steptronic replacement help!!!!!!
- Is something wrong with my car?
- Can you identify the size of these inejectors?
- Help motor
- Are Amazon 4 JackPad Replacement good to buy?
- CLUTCH Recommendation Needed
- [N54] Hard plastic line in front of the stock intake
- Boost Leak from BMS charge pipe.
- new turbos needed
- Fuel line cracked, good customer service from Precision Raceworks
- MHD N54 Low Boost Target / Timing Pulls? (Logs Attatched)
- Fueling Issue? Rough Cold Start - Log Attached
- Rough idle on start up/misfires. 07 335i
- Could it be my HPFP?
- Long Term Storage
- Popped my charge pipe
- n54 sounds like party whistle under boost
- MHD Stage 2 335is not passing NC inspection
- Found a thing in my engine!! Help!
- Blew my diff, why to replace?
- 30ff noob
- This F-ing Car!!
- TCU backup file location for xHP flash (iOS)
- Torque spec flywheel to torque converter?
- Exhaust flange cad file
- Car starting then dying
- Exhaust Gaskets
- Tons of smoke coming from engine, ETA: rod smashed through piston :(
- Jb4 log
- Shaking On Idle
- Rb replacements to Ones, worth it?
- Help! Stripped my PCV Valve cap
- 93 Octane Upgraded Turbos Realistic Figures?
- Problems after starter replacement
- 335i low coolant warning but not low coolant
- AWD rod bearing access tips
- Connecting rod bearing selection
- Overheated after long drive from LA to vegas Help!!!
- N54 335i DME flash issues
- Coding needed for used transmission?
- N54 Smoking Issue
- C clip from recovery hose
- best way to go about replacing a single rod
- Codes and concerns. [Please Help]
- ACL rod bearings
- Engine died durring a drive, some electrical problem...HELP
- Help! Electrical malfunction car dead....
- Manual gearbox question
- N54 cold start sound
- Need help 2007 N54 cylinder 6 super knocking
- Blow by oil smell after pcv upgrade.
- Codes for Bank 2 O2, but issues with bank 1
- Another 335, another o2 sensor problem
- New engine, or pay for engine work
- N54 Cranks but won't start
- COBB drop in air filter worth it?
- Budget N54 ST manifolds
- Radiator question
- Getting 335xi ready for AWD dyno run
- Help indentify electrical connectors
- Old Mods...what is new?
- Single turbo reliability
- Stock intake swiss cheese mod
- Built AT or DCT Swap?
- Is this an oil pan or rear main issue
- Fuel pump issues
- WTB 8 bolt n54 Portland Or area
- Squeak after hard acceleration
- Engine swap - No start - Multiple codes - Solved
- Fuel smell in oil??
- Manual Transmission Won’t Go Into Gear
- What happened to this spark plug?
- Crank Pulley and Timing
- What are my options to increase fuel rail pressure?
- Running mhd stage 2+ for winter w/ no fmic?
- Stolen recovered 335i won't rev past 2k RPM
- N54 smoking issue. Please help!!!
- Exhaust Fitment Advice
- Need help identifying "genuine" index 12 injectors
- Replacing turbos-What else to do while in there?
- Smallest turbo to hit 500whp on pump gas
- Weird noise at 2000-3000 rpm
- Front crank seal seepage?
- About to install new engine, tips?
- Who has swapped their N54 for an LS? More info please!!
- 335is fuse panel
- N54 30ff code please help
- JB4 +mhd BEF Car feels slower than it should be
- E92 335xi
- Largest oil cooler behind kidneys?
- SES light after cat back install
- E92 335xi Remus race exhaust
- E92 335xi Emissions question
- Help with identification
- Random gasket after ofhg replacement
- Leaking valve cover???
- Upgraded turbos on 335is clutch
- Exhaust Burble on ST 335
- Cheap Diverter Valve option
- Arm 7" fmic
- Limp Mode.
- Steam Speed Turbos
- Water Pump Class Action Lawsuit
- New engine...supposed to look like this ?
- RB Turbo sale question
- RB PCV valve - does it need to be seated all the way?
- Misfire on Cylinder 3, oil in plug well - thoughts?
- Injector protective sleeve?
- N54 Auto New Transmission need reflash?
- MHD Stage2 much quieter than Stg0, why that?
- Pre-lubing new oil pump
- 2010 335 e92
- N54 Antilag and Launch control
- Junked the Pipercross air filter
- Oil leaking after valve cover gasket replacement
- Small jerk/bounce at low speeds on let off 1st 2nd gear, mounts or engine related ?
- 30ff code problems
- Is there any difference in oil cooler adapter plates?
- WOT, 100mph, half engine light, no limp mode, 30ff
- FBO E92 335i, wastegate rattle?
- take a look at my log. MHD Stage 2+ V9
- Decipher this log please, MHD Stage 2+
- Few questions regarding meth+pump on stage 2 turbos
- Water Pump or Alternator
- Bosch sparks plugs : ZGR6STE2 vs ZR5TPP33 vs ZR5TPP33S
- Stuck wastegate
- Do you think stage 1 fbo would keep the turbos happy longer?
- TMAP sensor voltages - Asking for a favor via some of your time.
- Misfire and high afr bank 1?
- Mobil 1 oil filter?
- Spark plugs
- Auto to manual swap
- N54 Ticking at all times and matches revs
- Looking to purchase secondary cats and oem downpipes
- BOV not working properly when cold?
- Bad o2 sensor or just because catless now?
- Take a look at log please
- Amg brakes on 335i
- n54 335i - new to tuning: custom tune or do it myself?
- N54 Noise coming from Engine Bay
- New to tuning: custom tune by shop or do it myself?
- Powersteering reservoir cap always wet?
- Misfire
- **DATAZAP, '07 335i, FBO, MHD+, 93oct, 134k miles**
- Which oil catch can you got??
- Wanting to add an oil cooler....what are my options?
- Looking for DIY: E90 335i to M3 Rear End Swap
- Didn't use a clutch alignment tool, what could go wrong ?
- Help help
- BMS Meth kit 1 Gallon Tank Tap
- Help me understand power potential!
- New problems with the n54 I think it might be hpfp
- Do I need to upgrade my fueling system?
- Questions about JB4 + MHD BEF!!
- New engine, misfires
- Long term affects of running ethanol fuel mix?
- SOLVED: N54 Oscillating throttle position/surge at steady speed
- Running Vargas GC lites - fueling upgrade advice needed
- 08 335i turbo line o’ring help
- Twin turbo or Single turbo for 550whp?
- N54
- Mastery of Art & Design N54 Downpipes ***NEW PRODUCT***
- Should I get inlets if I am on pump gas only?
- Fuel leak, help!
- DME damage
- losing coolant
- LPFP or Sensor?
- Juddering Idle & Fluctuating Voltage
- Cold weather killed o2's?
- banjo fittings for VTT catch can¿
- Beck Arnley Valve Cover
- Jb4 confusion
- Got 29CD, 29E0, and 29E1 codes
- N54 silicone inlets - Questions
- N54 Turbo Problems, PLEASE HELP!!!
- 335i help w/ O2 codes + more (w/ datalog)
- PS reservoir replacement necessary?
- MOTIV flex fuel RHD install help
- Back end flash help single turbo!!!
- Vargas turbo upper radiator and expansion tank vent hose
- Help with Vibrant Resonators and Drone, E93 335i
- which order would you do these in
- Jb4 & Cobb
- 2ABD Intake Pressure Sensor Re-Running And Lean AFR
- N54 Power steering Reservoir
- Have an odd hesitation/hiccup (no codes)
- 30bb code (MSD80) after replacing all parts
- Bank 2 misfires after wot pull
- Cranks but won't start, mhd can't communicate with dme
- Who’s still running MHD v5 e40 map?
- My car is not happy...PLEASE HELP!
- Limp mode on startup
- Walnut blasting in Houston, Tx area
- Question for Track Cooling Setup Beginner/INT HPDE Use
- 2ABD intake pressure sensor and lean afrs
- 6AT 6HP19 Pink Milky Fluid
- E92 335i Build Thread
- Big Single Turbo
- BMS silicone inlet install question
- Ohfg or something else?
- Vrsf outlet o-ring size?
- Rear downpipe front o2-too close?
- n54 engine swap build
- Alternator/Regulator or Battery
- MT swap vs oil pan gasket - what’s easier?
- Cost/benefit of m-factory LSD 335is
- Relocation Inlets - Which Ones?
- 3.5 TMAP upgrade.
- VRSF Street exhaust muffler outlet diameter 335i
- N54 Build Log
- Cylinder #6 spark plug, wet thread, leaking injector ?
- Transmission Squeal After 6MT Swap
- swapping TCU from 2008 335i to a 03/2007 335i
- Normal codes for automatic ECU in manual car?
- Take a look at log please. Finally got rid of boost leak
- N54 Preventive Maintenance to Avoid Stranding
- 335i N54 E90 6AT - Stage 1+ MHD weird behavior
- M Factory LSD 3.46 ratio complete with pumpkin
- N54 ST Build - Questions on fueling
- BMW 335is misfire above 6400 rpm at end of 3rd gear
- Couple Questions: Upgraded twins/single and boost limit
- How long do n54 fuel injectors last?
- troubleshooting checklist before determining hpfp
- MHD Stage 1+
- Boost goes back up after I left off throttle?
- Car started suddenly stuttering/shaking under acceleration after MHD run
- engine angle (hypothesis)
- Cobb Tuners
- E92 MPE mufflers on e90 335?
- Shell Rotella T6 motor oil
- Regarding E30 MHD tune on an e92
- lowering the subframe - alignment needed?
- Help locating misfire
- Valve cover bolt extraction help
- Just when things were going so well... "superknocking"