NOTE: If a tire pressure has been adjusted, or a wheel or tire has been changed or replaced, or repairs have been made to air spring suspension, the TPM system must be reinitialized. System must be reinitialized both before and after pulling a trailer.
CAUTION: When driving with snow chains or a space-saver spare tire, DO NOT initialize the system.
NOTE: To determine the appropriate reset procedure, refer to TIRE PRESSURE MONITOR SYSTEM REMINDER INDEX. Only vehicles listed in this index have a TPMS reset.
TIRE PRESSURE MONITOR SYSTEM REMINDER INDEX
BMW X3 Service & Repair Manual > Engine wiring loom: Replacing wiring harness section for ignition and injectors (N55)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE
(ESD PROTECTION) .
Necessary preliminary work:
Read out the fault memory of the DME control unit.
Switch off ignition.
Disconnect BATTERY EARTH LEAD .
Remove IGNITION COIL COVER.
Remove CLEAN AIR P ...