BMW X3 Service & Repair Manual: Precision-turning both front brake discs on both sides
IMPORTANT: Always precision-turn both sides of both brake discs on one axle.
Maximum machining dimension per friction ring side is 0.8 mm! Observe MINIMUM BRAKE DISC THICKNESS (MIN TH).
Brake discs of M models (Compound brake discs) must not be machined! Only one brake pad set may be used up on brake discs which have been lathe-turned to minimum thickness (MIN TH).
Stationary brake disc lathe:
IMPORTANT: Only BMW-approved brake disc lathes may be used!
In the case of stationary brake disc lathes, the BRAKE DISC must be removed.
Mobile brake disc lathe:
IMPORTANT: Only BMW-approved brake disc lathes may be used!
In the case of mobile brake disc lathes, the brake calipers and brake anchor plates must be removed.
The brake discs remain on the vehicle.
After fine-grinding the brake discs, measure the thickness difference inside the braking surfaces at 8 points with an caliper gauge.
Front brakes
OVERVIEW OF FRONT BRAKES
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Removing and installing/renewing brake pads on both front disc brakes
Special tools required:
34 1 050
34 1 280
IMPORTANT:
Brake pad wear sensor: after removal it must be replaced (brake pad wear se ...
Other materials:
BMW X3 Service & Repair Manual > Front axle: Washer
Washer AM
NOTE:
(Flanged washer) For centring of threaded spindle and as a support disc for
removing and installing the rubber mount in the front axle support and in the
wishbones - series: E12
Washer AM
NOTE:
Contact disc D1 in connection with adapter kit 1 (BMW), (81 64 2 155 745) and
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BMW X3 Owners Manual
BMW X3 Service & Repair Manual
