e89 z4

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...

Hi everyone, I came to this forum because of quality content I've found by google. I'm working right now on Z4 35is and hope to find some answers here with performance mods. Keep doing a good work!

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...

Just bought a E89 Z4 35is DCT that's getting a bottom mount single turbo. What dual in-tank fuel pump solutions for the Z4 is out there?

Progress is slow in development but we are getting there. The E89 Z4(35i, 35is) intake conversion from the F01 740i was a theorized idea two years ago that became a reality today. Why the intake system of the F01 740i ? The F01 740i that comes with the N54 has a superior intake system among the...