Installation note
Only clean guide bolts; do not grease.
Check threads.
Replace all guide bolts which are not in perfect condition.
Tightening torque 34 11 4AZ .
Remove brake pads in direction of arrow.
In the event of one-sided brake pad wear, do not change brake pads round.
Observe minimum thickness of brake pads.
Clean brake pads.
Do not apply grease to brake lining backplate.
- Pay attention to brake fluid level in expansion tank; brake fluid that spills over will damage paintwork.
Press back brake pads and piston with special tool 34 1 050 .
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.
Check dust boot (1) for damage and replace if necessary.
Clean contact surface (2) of brake piston and brake pads (3) with brake cleaner and apply a thin coat of brake pad paste.
So as not to damage the surface coating, if possible do not mechanically clean the guide surfaces for the brake pads on the brake caliper mounting bracket. Instead, clean with brake cleaner and apply a thin coating of brake pad paste.
So as not to damage the surface coating, if possible do not mechanically clean pad guides (1). Instead, clean with brake cleaner and apply a thin coating of brake pad paste.
- Fully depress brake pedal several times so that brake pads contact brake discs.
- When installing new brake pads at front and rear axles, brake fluid level must be brought up to "MAX" marking.
- Read and comply with notes on BREAKING IN NEW BRAKE DISCS / BRAKE PADS .
- When replacing pads, reset CBS display in accordance with factory specification.