MHD Tune in Performance Posted May 22, 2017 · Report reply Wussup guys, I have a BMW 2007 335i auto transmission. Thinking of flashing MHD. Just don't know what stage I need to flash. Or where to get the download. My car is stock, just air intake upgrade. Could really use some advise or help. Thanks.
MHD Tune
in Performance
Posted · Report reply
Wussup guys, I have a BMW 2007 335i auto transmission. Thinking of flashing MHD. Just don't know what stage I need to flash. Or where to get the download. My car is stock, just air intake upgrade. Could really use some advise or help. Thanks.