mhd

Hey guys, I'm trying to solve misfires on cyl 6 on heavy loads. My car is Z4 E89 35is with DCT and around 80k mileage. Problem started to show after stage 2+ from mhd, it appears on continuous heavy load (flooring) and higher gears. I noticed it more often on hot day. I've done the following...

Having some trouble hitting target boost. The car won’t make anymore boost than 3.5psi under 3700rpm after that it’ll spike to 11psi for about 200rpm then taper down Currently running MHD stage 2 v1.60 VRSF charge pipe intake and catless downpipe Stock IC Did notice a few weeks ago I had a...

I have been running MHD with the MHD flex fuel kit and have recently added PI with the Motive Reflex+. The issue I'm having is that I cant read the CAN flex fuel signal on the Reflex even tho I have applied the N55 MHD CAN patch. Any suggestions on this or do I need to splice into the MHD...

Hi all, I've been hot lapping my n55 (M135i 2014) in the past 2 years and, as everybody else that reads about this engine, worried if I'm gonna spin a rod bearing anytime soon. Recently I installed MHD to log data during my sessions, and the result can be seen in the video below Car setup...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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/...

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...

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...

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...

First picture of my 335i e90!

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?

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...