1. Tuningservice.no

    What dual-LPFP solution do you use in your Z4?

    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?
  2. BQTuning

    E89 Z4 sDrive35i(s) Intake Upgrade Conversion

    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...