Necessary preliminary tasks:
IMPORTANT: Disc wheels are not allowed to be repaired!
Mount disc wheel in balancing machine.
Use suitable wheel centering element supplied with corresponding balancing machine.
Place dial gauge sensor on rim shoulder.
Turn wheel by hand and measure max. radial runout .
Carry out measurement on both rim shoulder sides.
NOTE: Dial gauge must be vertical to rim shoulder.
Position sensor on rim flange.
Turn wheel by hand and measure max. lateral runout . Carry out measurement on both rim flanges.
NOTE: Dial gauge must be vertical to rim flange.
IMPORTANT: Avoid clamping errors during subsequent installation work.
BMW X3 Service & Repair Manual > Brakes: Front brake
FRONT BRAKE SPECIFICATION
IMPORTANT:
Installation of new brake pads is approved only provided that the brake disc thickness exceeds the
specified dimension for "MIN TH" (see table).
Brake discs must be replaced when they reach the nominal thickness (see table) minus 2.4 mm!(Not
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