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3241 Rear Brakes Technical Data

34 21 REAR BRAKES DISK BRAKES F57 - TECHNICAL DATA SPECIFICATION

IMPORTANT: New brake pads may only be installed if the brake disk thickness is greater than the minimum brake disc thickness.
Minimum brake disc thickness during general inspection (GI):
Nominal size thickness minus 2.4 mm
(Not applicable to perforated brake discs)
Perforated brake discs:
Nominal size thickness minus 1.6 mm
Depending on:
  • Engine type
  • Transmission version
  • Equipment specification (e.g. maximum load increase, chassis official-use, national version, etc.)

different brake discs can be fitted
The brake discs must always be assigned by way of the relevant vehicle identification number and the applicable BMW parts catalogue!
    
Thickness difference in the friction surfaces of the brake disc Max. mm 0.01
Nominal size (diameter x thickness) mm 259x10
Minimum brake disc thickness stamped on brake disc chamber mm 8.4
Pad wear warning from remaining brake pad thickness mm 3.7
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