IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
Overview of wiring harness section for ignition and injectors.
Unlock and remove connector (1) from control unit.
Release wiring harness from clamps (1).
NOTE: This procedure is applicable to all cylinders.
Unlock and disconnect connector (1) at injectors.
Slacken nut (1) and remove ground cable (3).
NOTE: This procedure is applicable to all cylinders.
Release connector catch (1) at ignition coil (2) and pull off connector.
Unlock retaining lug (1) in direction of arrow.
Pull cable channel (2) from cylinder head cover.
Pull out and remove wiring harness section for injectors and ignition coils.
NOTE: Check stored fault messages.
Clear diagnostic fault entries from fault memory.
BMW X3 Service & Repair Manual > Disc wheels (rims): Removing and installing/replacing rdc wheel electronics (2nd generation/3rd
generation)
IMPORTANT:
Before removing and installing, check which generation of RDC wheel electronics module is
installed!
If the wheel electronics have been removed, the complete valve must be replaced.
NOTE:
There are two different wheel electronics. The SP303 wheel electronics module
must be ...