bqtuning

  1. 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...
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