I don't own a bmw


New Member
Sep 26, 2021
Hi I don't own a bmw, nor do I have plans to own one soon. What I am interested in is the zf8 series of transmissions. I'm interested in developing an inexpensive way to operate one in a standalone setting. I have no intention of creating an automatic mode, only a mode where you press a button/paddle/lever and it moves to the next gear. Press a different button and the gear goes the opposite way. I plan on using an ace velocio PLC with enough inputs and outputs to control the solenoids and tc lockup. I may also see about using one with an analog input/output to vary the harshness of shifts in everyday driving.

Attached is the PDF of the repair manual. The most important part being the charts on page 25, 56, and 54.


  • zf8hp45_70_rukovodstvo_manual.pdf
    6.5 MB · Views: 12
  • Like
Reactions: SlowE93 and Torgus