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Thread: UUC BBK installed, pedal goes to the floor after bleeding.

  1. #1
    Join Date
    Apr 2016
    Location
    Oxnard, CA
    Posts
    31
    My Cars
    1986 BMW 318i

    UUC BBK installed, pedal goes to the floor after bleeding.

    so i had a issue with the factory calipers, so i just opted and bought a bbk for the e30. after installing it and bleeding the brakes, once i start the car i have no pedal pressure...possible bad master cylinder, brake booster??? pleasee help!!!!!!!!!!! or try bleeding the brakes again im at a loss?!?
    Last edited by jkoppenhaver; 05-17-2018 at 10:53 PM.
    86 Bronzit 318i m10b18 coupe (EuroSpec), GC coilovers, DOEC 40 Carb, Wilood BBK



  2. #2
    Join Date
    Dec 2005
    Location
    corpus christi, texas
    Posts
    6,738
    My Cars
    No e30s, again :(
    usually, a bad booster makes the pedal hard.
    No e30s again.

  3. #3
    Join Date
    Mar 2012
    Location
    Hopewell Junction, NY
    Posts
    2,639
    My Cars
    1987 325iS...edan
    How big are the new calipers and rear cylinders compared to stock? Your car probably has the 20mm master cylinder which could be overwhelmed by larger cylinders at all four corners. You may need a larger master to bring things back into range. You may still have air in the system as well.
    Interested in vintage cars? Ever thought about racing one?
    Info, photos, videos, and more can be found at www.michaelsvintageracing.com!


    Elva Courier build thread here!

  4. #4
    Join Date
    Apr 2016
    Location
    Oxnard, CA
    Posts
    31
    My Cars
    1986 BMW 318i
    apparently i didnt get as good of a bleed as i had thought, went and got a vacuum pump and bleed them that way and they work just fine now thanks guys!
    86 Bronzit 318i m10b18 coupe (EuroSpec), GC coilovers, DOEC 40 Carb, Wilood BBK



  5. #5
    Join Date
    Dec 2005
    Location
    corpus christi, texas
    Posts
    6,738
    My Cars
    No e30s, again :(
    great!
    No e30s again.

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