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  1. #1
    Eric
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    E28 Big Brake Upgrade for E23?

    Does anybody here know the front/rear brake rotor size for an E23? I want to have an idea if the big brake upgrade for the E28 (750iL or 850CSi front and 540i rear) will work on an E23.<p>Thanks!


  2. #2
    Scottie
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    See my previous post...URL enclosed


  3. #3
    Scottie
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    Sorry Eric, I misread your post.


  4. #4
    Scott P.
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    Re: E28 Big Brake Upgrade for E23?

    Any E34 brakes will fit, and be an upgrade.<br>525/530/535 are 302mm front, vs. 284. Rears also 302, but not vented.<br>540/M5 are bigger still, vented in the back also.<p><i><br>Does anybody here know the front/rear brake rotor size for an E23? I want to have an idea if the big brake upgrade for the E28 (750iL or 850CSi front and 540i rear) will work on an E23.<p>Thanks!<p></i><br>

  5. #5
    Keith F
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    Re: E28 Big Brake Upgrade for E23?

    <i>I haven't measured the rotors on my 5, e28 and 7, e23 yet, but I have asked around about better brakes for the e23. It seems the caliper mounting brackets of other brakes do NOT fit the front of the e23. The rear brakes are the same as on the 5er. This car (e23) is in dire need of more brakes due to engine upgrades and especially in the turbo form.<p><br>Does anybody here know the front/rear brake rotor size for an E23? I want to have an idea if the big brake upgrade for the E28 (750iL or 850CSi front and 540i rear) will work on an E23.<p>Thanks!<p></i><br>

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