Checking brake discs (X5 M)

Special tools required: 

• 34 1 280

Necessary preliminary tasks: 

• Remove WHEELS .

Checking thickness difference: 

• Measure thickness difference within brake surfaces at 8 point (spread over the circumference) with a micrometer gauge
• Compare measurement result with setpoint value. Refer to REAR BRAKES TECHNICAL DATA .

Courtesy of BMW OF NORTH AMERICA, INC.

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. Refer to REAR BRAKES TECHNICAL DATA .

Courtesy of BMW OF NORTH AMERICA, INC.