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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3628 (BRAKES - REPAIR)REAR BRAKES34 00... CHECKING BRAKE DISCS
2013 Mini Cooper Countryman, Standard Trans

34 00... Checking brake discs

2013 Mini Cooper Countryman, Standard TransSECTION 34 00... Checking brake discs
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

Checking thickness difference:

  • Measure thickness difference within brake surfaces at 8 point (spread over the circumference) with a micrometer gauge
  • Compare measurement result with setpoint value. See FRONT BRAKE - TECHNICAL DATA or REAR BRAKE - TECHNICAL DATA .
    Fig 1: Checking Thickness Difference Using Micrometer Gauge
    G08505090Courtesy of BMW OF NORTH AMERICA, INC.

Check minimum brake disc thickness:

  • Position special tool 34 1 280 at three measuring points in area (1) and measure.
  • Compare measurement result and lowest value with setpoint value. See FRONT BRAKE - TECHNICAL DATA or REAR BRAKE - TECHNICAL DATA .
    Fig 2: Positioning Special Tool (34 1 280) At Three Measuring Points
    G08505091Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.