NOTE: Ride height adjustment must be carried out after the following work:
Removal/replacement of ride height sensor or its control rod (only
necessary for vehicles with air suspension or vehicles
NOTE: The Service function Initial operation of Dynamic Drive must be
carried out
after:
Work on the Dynamic Drive system which involved opening hydraulic
lines
Replacement/Programming/Coding Dy
System-related causes (no faults)
Control tolerance when "Ignition off", but vehicle is awake (e. g.
hazard warning switch is lit): +- 7
mm (applies from integration level 10-06-500 or CAF 4.5.4-
Necessary preliminary work:
Remove HEADLIGHT.
NOTE: Damaged retaining tabs (1, 2, 3) can be replaced with the repair
kit.
Replacement of headlight is not required!
If necessary, use screws from BMW Parts Department 7 225 228 repair kit.
Fig. 21: Identifying Headlight Holder, Screws, And Retain
REMOVING AND INSTALLING/REPLACING TELEMATIC CONTROL UNIT (TCU)
(SA633/SA639)
IMPORTANT: Read and comply with notes on protection against electrical
damage (ESD
PROTECTION).
NOTE: Comply with notes and instructions on HANDLING OPTICAL WAVEGUIDES.
Necessary preliminary tasks
Clamp off BATTERY NEGAT