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E30 caliper compatibility

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    #1

    E30 caliper compatibility

    Hey guys,

    So back in the winter, I snapped a bleed screw on my right front caliper while preparing to move my swap car. It was not a big deal then and I got a used caliper from a fellor r3ver for a 6" sub.

    I went to install it yesterday (doing all new soft lines, pads and rotors) and to my horror the calipers were different. The one I got has Honda style floating pins, which bolt into the outer edges of the caliper and float in the carrier. Mine has a design like the E34, with pins bolting into the carrier and the caliper floating on them.

    A friend of mine saved my ass by giving me a complete caliper with the carrier, but it was also the other style. Thankfully the carrier bolt pattern is the same so it fit.

    My question is, is there any difference in clamping force or anything else that could make them incompatible somehow? I don't want to have to find out the hard way by having my car pull to the side on a racetrack...
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    #2
    Sounds like the calipers currently on your car are the Girlings and somebody gave you an ATE caliper. Ate>Girling
    My 2.9L Build!

    Originally posted by Ernest Hemingway
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      #3
      Yeah, my old ones say Girling. Are they about equivalent though? Should I make it a priority to swap out the other side too?

      Thanks.

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        #4
        Not a good idea to mix them.

        I would recommend the Girlings over the ATEs though, there is a good reason BMW switched.

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          #5
          The Ate calipers are better than the Girling ones. They are stiffer and have a better pin system. Many here have swapped their Girlings for ATEs and have reported a much better pedal feel. Obviously they should be replaced in pair.

          Had I known... I dumped three sets of very good condition Girlings last week.
          Brake harder. Go faster. No shit.

          massivebrakes.com

          http://www.facebook.com/pages/Massiv...78417442267056




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            #6
            Sorry my old calipers are actually ATE, the girling ones are the ones with the Honda-like pin design, the replacement one I got. Alright, I'll see about finding one.

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              #7
              Originally posted by Massive Lee View Post
              The Ate calipers are better than the Girling ones. They are stiffer and have a better pin system. Many here have swapped their Girlings for ATEs and have reported a much better pedal feel. Obviously they should be replaced in pair.

              Had I known... I dumped three sets of very good condition Girlings last week.
              ATE all around, or just the rear?

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