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Audi master cylinder

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  • Audi master cylinder

    I have red that people use a 25mm Audi master cylinder on S50 swaps to get better space. I have asked a couple of guys that have done this, but no one have a part number for me. So I took a shot and bought a new one from Ebay for a Audi 80 I think.
    It was 23.8mm.

    But what happened was that the rod inside the brake booster did bottom the master cylinder way before it was screwed on. So result was that when the master cylinder was bolted up it was already bottomed like you would have the pedal at the floor.

    Anyone that can help here on this subject?
    1987 BMW M3 E30

    S50B32 swap thread

  • #2
    Something feels morally wrong in putting an AUDI part into a BMW

    - Tire is the other control arm bushing.


    • #3
      I already have a VW brake booster And on the S14 I had Volvo distributor cap!
      1987 BMW M3 E30

      S50B32 swap thread