Necessary preliminary tasks:
Remove HIGH PRESSURE PUMP .
Unlock connector (1) and remove.
Feed out connector (1) behind feed line, remove FEED LINE if necessary.
Release screws on both knock sensors (1) and remove knock sensors (1).
Installation note:
Clean contact surface of knock sensors on engine block.
NOTE: Reassemble the vehicle.
Check stored error/fault messages.
Clear diagnostic fault entries from fault memory.
BMW X3 Service & Repair Manual > Wheels: Checking wheel rim for lateral and radial runout
Necessary preliminary tasks:
Remove WHEEL.
Check WHEEL for lateral and radial runout.
Remove Tire from disc wheel.
Remove dirt from rim base and rim flange.
IMPORTANT: Disc wheels are not allowed to be repaired!
Mount disc wheel in balancing machine.
Use suitable wheel centerin ...