Special tools required:
Necessary preliminary tasks:
After completing repair work:
Check minimum brake disc thickness:
NOTE: If the brake discs are replaced, you must also fit new brake pads.
Always replace brake discs in pairs.
IMPORTANT: New brake pads may only be fitted if the brake disc thickness is greater than the MINIMUM BRAKE DISC THICKNESS (MIN TH).
Release screws (1). Detach brake-caliper support.
IMPORTANT: 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.
BMW X3 Service & Repair Manual > Engine wiring loom: Replacing wiring harness section for engine (N20)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Remove intake PLENUM .
Overview, engine sensor system wiring harness modu ...