BMW F30 brake service and common faults
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Why does the F30 handbrake not tighten after new brake discs?
The cause can be that the drum diameter of the new discs is too large. When the discs were replaced with the correct type, the handbrake worked normally, including at the annual inspection. Check that the discs fit the model.
Can the brake pad wear sensor be moved to new pads?
The old sensor can be removed and fitted to the new pad, and it also fits cheaper pads. However, the sensor is worn out if the pad has worn down completely, so check its condition when replacing it.
What should you note when removing an F31 rear brake caliper?
The rear brakes use an electric parking brake, which has to be taken into account before removing the caliper. The parking brake must be put into service mode, so if you are not familiar with the system, let a workshop do the job.
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