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    Mrsh
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    BMW 635CSi Brake Accumulator

    BMW 635CSi Brake Accumulator I have a 635csi 1987 how easy or hard to replace the accumultor on this car thanks


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    Relatively easy

    Flare wrenches recommended for the hydraulic lines that need to move out of the way, and a strap wrench or similar to twist off the old bomb in case it's a little stuck, hand tighten the fresh one (like cartridge oil filters). Fully bleed (pump the brakes, engine off) the system before disassembly, and keep any open hydraulics perfectly clean. System is self bleeding once you're done.
    Pacific Sharkfest '02 '03 '05 Veteran
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    Re: BMW 635CSi Brake Accumulator

    Here's a link that may help in addition to Romney's advice:
    http://aaron.aussiefiverdriver.com/Bomb.htm

    HTH

    Pedro
    '83 Balticblau 633CSi

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    I just use a pointed chisel with hammer and tap

    the pointed end on the side of the bomb to get it turning (hold chisel @ angle so it does not puncture go straight into the bomb). Couple tap to get it turn 1/8 turn then twist by hand to remove.

    Replace new one by hand tight then use chisel to tap to tighten- no need to remove fluid line/ bleed- 10 min job.Peter- S. CA.

    86 Euro 635 3.7L engine, SS MAF, Bilstein & Eibach, more.
    98 740IL AC Schnitzer with Dinans- SC mod in plan.

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