34 21 320 Removing and installing or replacing both rear brake discs (X6 2015-2019)

Special tools required: 

• 34 1 280 

Necessary preliminary work: 

• Remove WHEELS .
• Remove and clean BRAKE PADS .

After completing work:

• Adjusting PARKING BRAKE .
• Read and comply with notes on BRAKING IN NEW BRAKE DISCS/BRAKE PADS .

Check minimum brake disc thickness:

• Position special tool 34 1 280 at three measuring points in area (1) and measure.
• Compare measuring result and lowest value with setpoint value.

Attention! 

New brake pads may only be installed if the brake disk thickness is greater than the minimum brake disc thickness.

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1). Detach brake caliper support.

Installation note: 

Tightening torque 34 21 2AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Attention! 

To release brake disc: Do not under any circumstances strike friction ring with a hammer or similar!

If necessary, carefully tap on base of brake disc chamber with a rubber mallet.

Clean contact surface of brake disc at wheel hub thoroughly and remove traces of corrosion.

Unevenness on contact surface may result in distortion of brake disc!

Release screw (1) and remove brake disc (2).

Installation note: 

Replace screw.

Tightening torque 34 21 1AZ .

Courtesy of BMW OF NORTH AMERICA, INC.