mhd

  1. M

    E9X Boost issue after new intercooler?

    Hi all, For reference: MHD st2+ E30 Replaced my radiator this evening and decided to swap in the 5” VRSF intercooler I’ve had sitting on the shelf for a while Before I installed the new intercooler I would hit 22.8psi sometimes 23 With the new intercooler in I’m only hitting about 15psi even...
  2. hardneoark

    Custom MHD map lazy launch control

    Hello spoolstreet community, requesting some help from the custom tuners here! I and one friend recently installed a Vargas GC turbocharger on two M340i G20 xdrive B58TU. I did a custom MHD map for both cars, mostly increasing the "boost set limit", "boost multiplier" and the "torque to load x...
  3. B

    Possible DV Leak? Not meeting Load/Boost/MAF Targets

    Hello All! Fairly new to the BMW / MHD world but have quite a lot of experience tuning other platforms using the COBB AP. I recently got an MHD for my 2012 135i (DCT) and have been experimenting with the OTS tunes while I figure out self-tuning (amazing to find public XDF's for TunerPro, love...
  4. T

    N55 MHD Problems with LogFile

    Hello guys, i hope my english is good enough, im coming from Austria ;) So i have a problem with my 435i N55 EWG no Xdrive. I have MHD Stage 1 installed and when i do a pull example in 3rd gear the car has stuttors or dropouts. It feels Like there is a boost Problem or something with the...
  5. Athi

    can anyone tell me why my afr is so high

    i’m running mhd v7.1 stage 1 map,arm charge pipe with a tial 50mm bov (11 lbs spring ) fresh index 12s and my rail pressure seems to be okay, new plugs and high performance coils , car runs and drives great but whenever i flash anything other than stock maps i get crazy high afr values but the...
  6. Athi

    anyone know why my afr readings are so high

    i’m running mhd v7.1 stage 1 map,arm charge pipe with a tial 50mm bov (11 lbs spring ) fresh index 12s and my rail pressure seems to be okay, new plugs and high performance coils , car runs and drives great but whenever i flash anything other than stock maps i get crazy high afr values but the...
  7. R

    New here! F30 335i xDrive PWG - MPPK Flash

    Hi guys, I'm new here. I have a 2013 F30 335i xDrive PWG. And I have a question. Have you ever tried to flash MPPK SWFL's without MPPK FSC? Because my question is if I can flash MPPK with ESYS and after that flash my DME with MHD so will i have MPPK without FSC then? Or i will need to generate...
  8. D

    How to extract and save custom tune for later MHD flashing?

    Hey all, hope someone can chime in Bought a used hand 1M that came with a custom tune. Am going to experiment with MHD, but would also like to keep the custom tune available in case I want to just stick with it if the OTS maps aren’t better. MHD uses a generic stock file when flashing back to...
  9. N54_XXX

    Project: RFP Stage 2 ans Stage 3 OTS Maps as Map Switch Tune

    Hey Guys, I am trying someting with the new MHD+ Suite, I want to create a RFP OTS Map Tune as MapSwitch Option RFP Stage 3 V12 will be Map 1 RFP Stage 2 V12 will be Map 2 and Map 3 will be Stock don´t have time to test it today but in the next days I will test it and do some loggs. Will...
  10. M

    MHD crackle tune on custom tune

    Hello people on Spool Street, my name is Mario. I have a beautiful stock 135i with a Custom Tune pushing around 360 wheel, and i was wondering if its possible to still run my custom tune and have the MHD crackle tune enable without any issues. If anyone have any idea on how this could work/...
  11. VenZie

    MHD stage 1 91 oct. Timing?

    So I’m running 91 oct, with Judt intake and muffler delete. For some reason my car will go to 13.7 psi of boost when targeting about 13.5 then drop to 13 psi after it holds. Aeound when this happens I also get around -3 degrees of timing correction. Why would this be? And besides that does...
  12. DreadedN54

    gfb mac solenoid bad?

    was wondering if anyone can help me out single turbo n54 GFB three controller mac solenoid used to buzz when I turn the ignition on I thought it went out so l bought a new one and it's doing the same thing not buzzing and car is only getting 11 pounds of boost but when I put a manual boost...
  13. Mondhund

    B58 M140i B58 MHD cyl timing corrections log Review

    Hello together! meanwhile I drive for a week the MHD Stage 1 on my M140i and thought that I should now take a closer look at the logs. I fill up exclusively at Shell V-Power with 100RON, so about 94oct. Enclosed now my logs, which I have recorded: with93oct stage1...
  14. My 335i E90!

    My 335i E90!

    First picture of my 335i e90!
  15. sb335xiE92

    MHD Wifi orange e-series adapter disconnects regularly

    I've been using the adapter with Samsung S7 Android v8.0 for gauge monitoring. Works great until it doesn't. Wifi disconnects after a few minutes, everytime. Reconnect, works for a few minutes, then disconnects again> Thoughts?
  16. R

    Single turbo Doc Race Motiv boost box and mac solenoid (MHD)

    Hey guys I´m new on the page, I am on the procces of making my 135i n54 09 to doc race st 6266, i have doubts about how the motiv boost box works with the mhd, and how is connected the mac solenoid to the wastegates So how do I use the MHD to control the Motiv Boost Box or does it control...
  17. BoostedE90

    How To Transfer MHD License's To IOS From Android WITHOUT A Tablet

    WINDOWS 10 METHOD This method apply's to people who no longer have a android device because it broke or is missing and/or need to transfer license's to a IOS device without a android device. MHD told me i MUST to sign in on my android device in order to transfer the license's to my Iphone's...
  18. Bigfwop

    MHD for IOS released!!!

    Thought it was a Joke at first
  19. Bigfwop

    MHD for IOS released!!!!

    Showing in the App store for Multiple chassis
  20. aus335iguy

    MHD app enhancements thread

    @jyamona said I’ll start Investigate DCT TCU Coms. Find RPM shift request routine and allow a flash time only offset to cater for different final drives On the fly Adjustable launch control for DCT cars(i dont know if the inbound enhancement is for DCT so stating it again) Set % DSC...