BMW X3 Service & Repair Manual > Electronic switching or control units: Coding control module (dme/dde)
Switch on ignition.
Connect MoDiC or DIS/GT1 Tester.
Select "Coding" program.
For subsequent procedure, follow instructions in MoDiC or DIS/GT1 Tester.
Carry out adjustment of following control units:
EWS (electronic immobilizer)
DME (Digital Motor Electronics) or
DDE (Digital Di ...