n54

  1. K

    Single Turbo Emissions e92 n54

    Hey! I made this post to hopefully help out another single turbo n54 owner looking to pass emissions. Information on my car - 2007 335i N54 On3 single turbo kit Manzo catback exhaust E60 mix on a custom tune (jb4 + mhd bef) I am in Colorado, typically for a 2007 they would do the test on the...
  2. Subwoofer

    Possible boost leak or just being daft ?

    Hello all, Running stage 2 + MHD with the Evolve DP + Intercooler. Looks like the boost isnt hitting the target towards the end, do you think my wastegates are causing havoc ? Recently they have been making a very big rattle.... Click me for the datalog Let me know, everything else looks fine.
  3. Mon54ster

    E89 sdrive35i MOTIV flex fuel problems

    Hello guys. I've been having trouble with the MOTIV flex fuel kit install. Followed all the instructions but when I connect the flex fuel module to the dme harness i lose conection to the throttle body and it gets stuck. Flashed the flex fuel tune with mhd and reseted throttle adaptation but the...
  4. St3v3nn54

    FS N54 Phoenix Intake manifold and Port Injection

    950obo black phoenix racing intake manifold with genuine Bosch 550cc injectors and split second injector controller.
  5. gmagnus7

    Technical N54 S55 ITB intake manifold by hyper-racing

    Yet another intake manifold option! Someone finally made an ITB setup for the N54 and S55 with 52mm throttle bodies. It would involve custom fab intercooler piping and would eliminate the stock throttle body (I'm assuming). Made out of aluminium and nylon and comes at a price of 4299$ (AUD?). On...
  6. S

    Need Help Tuning

    I honestly have no clue where to start this. I've been trying to self tune my N54 for a little and I cant ever seem to get everything right. Added fuel, saw the decrease in afrs (from 14-13). Did a few pulls and it felt good with no timing correction. Bumped up each load target table by 10. Did...
  7. Tkmotorwerks

    Ad: Arm Motorsports 3" Downpipes

    Arm Motorsports 3" downpipes in stock Features: - Gain 25whp + 37wtq -3" Design -304 Stainless Steel -Improved Exhaust Sound -Run Stage 2+ Boost If you have any questions please feel free to pm me or check out our website orders ship same day if ordered before 12pm est...
  8. Bigfwop

    MHD for IOS released!!!!

    Showing in the App store for Multiple chassis
  9. N

    Is this BOV works correctly?

    Hi, The N54 and petrol tuning new to me. Can someone confirm that this POV is working correctly? Thanks!
  10. CarbonSchwarzN54

    CarbonSchwarzN54

    so i am new here. live in Bremen, germany. the first Black Sapphire was my first N54 DCT (sold). and 2nd pic is my newer Carbonblack 335i N54 DCT. so hope i learn more of N54 motors. step by step road to +600hp.
  11. namsu2430

    MHD v9.0 beta

    With V9.0 being pushed to the general public now it might be worth while having some feedback , especially with those who had issues (overboost etc ) on v8.1 (now removed from the app) Car info e.g FBO Map flashed (options ticked if relevent) Altitude Feedback inc what you are comparing...
  12. digitalashley

    N54 (E87) LPFP psi low??..

    Hi everyone, I have gone from a stock 135i (N54) low pressure fuel pump due to low psi (52-42psi) readings at idle and throughout RPM range (rail pressure would drop and cause limp mode), to a walbro 450 and have retained the bucket and Venturi to keep it close to stock as possible and...
  13. DigOnly

    HELP!! BOOST DEACTIVATION CODE and BOOST PRESSURE SENSOR ELECTRONIC?

    HELLO NEW TO THE BMW WORLD SO PLEASE BARE WITH ME ON WHAT IM GOING THRU.. SO IVE ONLY HAD THIS CAR FOR ABOUT A YEAR NOW AND THERE WAS UPGRADES DONE ON IT BEFORE HAND AND RECENTLY I HAVE WENT THRU IT AND NOTICED FEW THINGS NEEDED TO BE ADDRESSED RADIATOR HOSE,OIL FILTER HOUSING GASKET, MAIN BELT...
  14. matreyia

    Time to Replace Turbos - 2009 e93

    This morning, I was minding my own business and driving along when a Mustang 5.0 came by and asked to do a little racing, so I obliged and left him behind. Unfortunately, I looked down and realized temps were not yet 160F operating range. Felt a little slowdown/hesitation while WOT and RPMs...
  15. matreyia

    Technical Front End Noise and Reason Why Found - Belt and Pulleys

    I added the Improved Racing 185 F thermostat to replace the stock N54 thermostat and some oil must have dripped on the belts and pulleys or something. After re-assembly, there was a clicky swoosh swoosh noise in the front end. Visual inspection showed nothing abnormal. But I ordered new idler...
  16. Matilda335i

    Single Turbo Kit for e93 n54

    So, I want to single turbo my '09 e93 n54...but I find that I am already running into some issues with FBO because of lack of e93 things :( If anyone has any info or advice on what route I should take in order to single turbo and push 900+ hp! Currently just have just air intakes and...
  17. H

    SOLD BNIB Vargas VTT Shotgun Double Barrel HPFP N54 AT/DCT

    Brand New In Box; complete kit, never used or installed; most items still in original packaging. VTT modified fuel rail included so no hassling with and waiting for core return ($200). Please contact me if you have any questions. For most AT/DCT N54 powered cars, please confirm fitment to your...
  18. nahor

    WTB Complete

    Looking for an N54 downpipe fix. Any brand will work
  19. Seaneezy

    where the hell did my head tap fall?

    Hey everyone, I'm tapping my pcv ports and while loctiting my 3rd 10-32 socket screw i slipped it and it fell underneath the cam ledge. I tried grabbing it with my tweezers but somehow this $%#%er was slipping like butter and fell further in. I can no longer find it searching with my...
  20. PIST_N54

    MMP BOV Garbage

    If this is the wrong area to post this, please correct me. I'm usually not one to post on the forums but this is an issue. I have been seeing a few horror stories of MMP products basically blowing up motors and the guys there are blaming it on other things with no fault of their own. I bought an...