- Stg3 335i with catalysts, possible?
- N54 Engine Specs
- 700+ HP n54
- BOVs, DVs and manifold/CP pressure difference
- Magsafe Phone Mounts
- N54 Underboost / Log question
- How much taper before boring needed? (N54)
- Possible sand/debris in oil pan remedy
- Another Smoke Thread
- Torque limit?
- Welded rear diff 08 335xi 6m/t
- Weird Synapse BOV behaviour
- Thicker oil in n54??
- Single Turbo Overboosting
- So I dumped F30&G20 and get a E90
- Drag racing and car died and trans
- I have this terrible whine (and boost leak)
- Launch log, bank 1 afr spike?
- N54 knocking sound! Have tried everything I can think of!
- Full Bolt on Hesitation under WOT
- Mystifying N54 problem (MHD tune)
- Bolt that holds turbo compressor on broke (N54)
- dreaded 2d2e on cold startups
- Intercooler pipe fitment issues
- NA
- 335i no crank at all
- Persistent coolant leak
- NA
- Turbo Upgrade compatible with MHD OTS (No custom tunes)
- Found part on the rear wastegate
- How important is this?
- G-Plus Oil Cooler
- Exhuast heat wrap in Boston?
- 08 335xi Auto Front Axles
- N54 Rod knock?
- MOSFET testing
- What sensor is this one and where?
- Car dies once on warm start
- Build Thread: N54 6MT to ActiveHybrid 8P70H Swap
- Orginal clutch at 165k & 600hp
- Bought N54, engine starts, stalls in 10 sec, no check engine light, (Solved)
- MHD banging when lift off throttle
- Need help with tial BOV springs.
- n54 Engine out refresh
- Ebay Aluminum Valve Cover?
- 29F3 LPFP Sensor, electrical + additional fuel related codes
- STFT issue when allow accel + timing
- No boost on my n54 335i
- Problems with the E90 :/
- Bank 2 is going crazy
- HELP Diagnosing Engine Fluttering Sound
- Puddle of water in my battery compartment!!!
- N53 Fault Code 2D58 - Only when cold.
- N54 Exhaust Note not deep or loud
- N54 air leak when turning car off
- Downpipe Fix
- Vader Solutions Crank Seal Protection plate
- Which fuel pump for E85 - stock turbos
- NA
- Finally! MHD integrated oil pressure sensor kit
- NA
- Rough cold starts and misfires
- NA
- Single Turbo Kit For Canadian resident
- NA
- N54 30ff engine code
- Would this make sense for a PCV system?
- n54 2A9E 2A9F 2ACB 2CFB 2D09 3100 There is something wrong with my car.
- Replace Oil Cooler after Spun Bearings?
- Flames on n54
- Fuel pump question
- Will Index 12 injectors come down in price?
- wiring not connected and radio with please help signal problems please help !!!
- Leaking front turbo drain
- Car will not crank please help
- Manual Transmission...Name of this part?
- Connecting High and Low Side PCV to one catch can?
- benefits of DI vs PI
- Update: New purchase - Error code P0305 question
- Help n54 engine
- N54 Crank No Start After Tmap Change
- Continual cylinder 4 misfire
- Melted Fuel Pressure Sensor?
- I don't want to buy injectors to fix misfire
- N54 Bent valves?
- Where can I find these Shocks ?
- Transmission issues 6AT E90 335i
- Pure 600 turbos
- e92 335i no crank, no start, single starter click
- Leaking Radiator **confusion is real**
- Transmission Oil Cooler Conversion
- n54 coolant in oil
- n54 2e81 coolant all over front of engine bay
- N54 335XI -08 Ticking noise
- Too lean and throttle surging, Throttle body gone bad??
- good ideas for 335xi drag setup?
- Help reading datalog n54
- N54 Downpipe Fix
- MHD Licenses questions
- Oil coming out of aftermarket blow of valve
- Car is bogging
- Vargas DI Delete Kit
- MOSFETS
- Is there a consensus on vacuum lines?
- What is symptoms of failing Fuel control module? Also hpfp psi drop how low?
- Here we go.
- Getting code 2A2B mixture control & car dies out on drive
- Install Update! - Pure600s: Anyone have long term experience?
- Need help with VRSF intercooler
- Occasional long crank after new HPFP
- Pure 600 Upgrade Question
- Turner TITANIUM Valved Exhaust
- Relocated inlets with CSF radiator
- N54 Water Pump/Electrical Issue?
- Can't install MHD custom tune with new phone!
- Selling JB4 N54 Tuner With Bluetooth piece
- Intake silencer....why? remove? anyone?
- Anyone run one of the JXB carrier bearing supports?
- Differences between injectors with index 12
- Difference between XDF and BIN?
- Want to add OEM oil cooler
- N54 Catted Downpipe with no tune
- Possibly found the cause of my low fuel pressure. Thoughts?
- vibrant ultra quiet resonator on vrsf race exhaust?
- MHD Stage 1 / 21 psi
- Possible Alternate Spark Plugs
- Weird noise coming from transmission
- Setting a goal questions
- cam ledges smoked or could the white sludge be causing 2A99 2A98
- N54 turbo replacement
- 500hp bottom mount single turbo daily
- Whistling sounds while accelerating
- Why is my clutch not bleeding?
- AFE Stage 2 intake , BMS, VRSF, or Masata?
- 2010 335i Auto Transmission slips in every gear past 3rd.
- e90 linkage malfunction
- Smoking issue I'm hopinh is my catch can
- Valvetronic Universal Mufflers on N54
- e92 space gray panels difference?
- Questions about running E85 with Walbro 525 and EKP/ Power levels.
- Bearing Ledge bit dirty on the intake side.
- New Coil Pack Bad?
- What Spark Plugs for B58 Coils?
- Bank 2 Misfire Not Going Away
- 2c31 code
- Bank 2 Misfire WOT 6300RPM!
- stock tune N54 fuel mixture codes
- 2006 330i E90 N52 hard start once with cylinder 6 misfire
- Boost leak ?
- Turner catted downpipes= wasted money and time= advice on reliable options?
- Cooling System Nightmare
- 335i with an 135i exhaust fit?
- (MHD) Merging two custom files into one custom map
- N55 Midpipes for N54 M-Performance Exhaust
- N54 fuel pump connector melted.
- Spec stage 3+ break in question
- Price to change a Head?
- 2aa4 code please help (RESOLVED)
- Bee-R rev limiter box install?
- Please help with o2 codes!
- n54 single turbo tire compound for street use
- Manual Transmission Rattle/Knock
- 08 E93 out of storage, no crank, no start
- vin faulty ncs expert help!!!
- rough idle and run on n55?
- e90 2a2b, 29e0 mixture control codes?
- throttle response issue
- single turbo occ questions and set up
- 335i no power steering
- Sparkplugs Question
- Thin white smoke from exhaust
- VTT Shotgun + REFLEX Plus
- How to insert plastic driveshaft damper? Photos below:
- N54 slight hiccups in higher gears
- Phoenix Manifold Fitment
- Overboost only under light throttle
- Bosch 750cc injectors?
- Wgdc adjust advice (oscilation)
- Looking for a new PCV setup
- BOV vacuum line fitment question....
- worth buying jb4 in 2023?
- vacuum hose size ( only have 3mm )
- Vanos intake (2A82) code, only after warm-up
- no start 2a9a/3100 after oil change, please help
- n54 b58 coil and engine cover
- Oil Leak - Rear Main Seal
- Walnut Blast Issue
- single turbo pcv options ?
- which one would you choose??....
- "Stock-like" Aluminum Chargepipe
- Porsche 710n Diverter Valves
- n54 running lean
- WGDC wont go under 50%
- Low boost after catless downpipes and fmic install
- BMS DSSR
- Bizarre Fueling Issue
- Most reliable twin turbo upgrades for an e92 335i
- Oil Pan + Other Maintenance
- Brand New Pure 600 Turbo Wastegate Rattle
- Bad fuel trims, 2C2E but no check engine light
- need help diagnosing (HELP!!)
- My car falls on its face whenever I go full throttle and then goes into full boost
- Post Your Exhaust Tip Pics....
- Aftermarket Exhaust Tips Conundrum ....
- Where measured mhd psi?
- Which fuel pressure sensor?
- MHD factory DME boost control for Single turbo
- RB Billet Replacement Problem
- Dual retrofitted oil cooler setup?
- DV's need air filter ?!
- Turbos on there way out. Ebay, vs, MMP, vs Pure
- Filled with gas now no boost
- Hiccups at low RPM, stalling
- Input on F21bi frankenturbo
- Rough 3-4 shift with xhp stage 3
- Mosselmann Thermostat vs MHD Sport Cooling
- N54 drone/whinne sound
- Wastegates randomly stuck open on highway 2011 335is
- *SOLVED* Clues to 2A87 & 3100 codes
- Blown Transmission?
- ChargePipe and DCI question?
- Corsa 14861 change resonator?
- 29E0 & 29E1 Mixture Control codes when switching from 93 to E40 tune?
- burger motorsports sport oil cooler valve
- what torx drive size for the oil thermostat cover?
- automatic xdrive 335i ticking
- Cobb N54 Chargepipe?
- V7.1 / V9 or V10
- Ok to delete oil thermostat?
- MHD Unable to Erase Memory
- Inspection issues with Single Turbo N54
- mhd stage 2+ only hitting 14 psi?
- Realistic Aftermarket HPFP options?
- lifters ticking or worse?(VIDEO)
- anyone installed this??
- N54 OEM downpipes interchangeable?
- 335is with DCT - Standing burnout
- What to do to achieve 550WHP
- Vibration / Humming sound
- Vanguard Catback Exhaust
- Fueling issue with 15psi Hobbs switch and full E85
- N54 subframe bolts spinning need help🤞🤞
- Rob Beck, FCP Euro for the win. VRSF not so much.
- e90 N54 Electrical Issues/Codes
- Mysterious N54 rod knock after maintenance work
- New block or Bed plate what about main bearings?
- 08 e92 335i n54 133k miles
- 3-4 6AT metal grinding sound
- Overwhelmed…Need Direction
- 30BB 30BA Issues after injector replacement - crank but no start