Master cylinder F/R outputs

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  • E30SRPower
    Advanced Member
    • Dec 2004
    • 199

    #1

    Master cylinder F/R outputs

    WHich output goes to the front wheels? which goes to the rear? I removed my ABS and have no clue where to run my hardlines. ANd if you are going to ask, yes, I am running a prop. valve.

    1987 cabrio is the car BTW. thanks guys!

    Joey
  • E30SRPower
    Advanced Member
    • Dec 2004
    • 199

    #2
    Somebody has to know! c'mon.

    I called my local dealership. they don't have any techs who have worked on beemers that old.

    Comment

    • rs4pro3
      R3V Elite
      • Oct 2003
      • 5808

      #3
      Front goes to Front, Rear goes to rear, If I was doing this, I'd change the MC to a NON ABS unit(you will need it), The non abs cars have 2 lines going to the front, Where as ABS only has one and then the ABS pump has 2 lines to the front.
      85 325e 2.7 ITB'd stroker

      Comment

      • alex
        R3VLimited
        • Oct 2003
        • 2024

        #4
        Originally posted by rs4pro3
        Front goes to Front, Rear goes to rear, If I was doing this, I'd change the MC to a NON ABS unit(you will need it), The non abs cars have 2 lines going to the front, Where as ABS only has one and then the ABS pump has 2 lines to the front.
        Actuall its the other way around. Thicker portion of the MC moves the fluid to front wheels and the thinner to the rear. Unless 87 cab MC is fundamentally different than 325i 88+...

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        • E30SRPower
          Advanced Member
          • Dec 2004
          • 199

          #5
          I alreday bought a brake line junction to split the front output into 2 lines. So I think my ABS one will work.


          So this is kinda contradictory. I have two votes for frant/rear, rear/front, and one vote for fron/front, rear/rear. either way, thanks so much for your input guys!

          Comment

          • rs4pro3
            R3V Elite
            • Oct 2003
            • 5808

            #6
            Well on my 85 325e without ABS, on the front of the MC(end nearest front of the car) there are two lines, one runs to the left front brake, and the other to the Right front, Then of the rear of the MC is one single line running to a bias valve for the 2 rear brakes.
            85 325e 2.7 ITB'd stroker

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