BMW 7 Series: Communication Systems
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REMOVING AND INSTALLING (REPLACING) TELEMATIC COMMUNICATION BOX
IMPORTANT: Read and comply with notes on protection against electrical
damage (ESD
PROTECTION).
Comply with notes and instructions on H
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 an
REMOVING AND INSTALLING (REPLACING) HANDSFREE CHARGING
ELECTRONICS (HIGH)
Operation is described in:
REMOVING AND INSTALLING (REPLACING) HANDSFREE CHARGING ELECTRONICS
(OPTIONAL EXTRA SA644)
Replaceme
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Necessary preliminary work
Remove PROPELLER SHAFT.
NOTE: The propeller shaft is balanced.
The front and rear propeller shafts must be reassembled in the same position.
Detach gaiter (1) from groove (2).
Mark front propeller shaft (3) and rear propeller shaft (4) in one plane.
Installation note
IMPORTANT: Always check that the solenoid valves are clean during removal
and
installation.
Possible malfunctions if valves are contaminated:
Irregular operation
OBD incorrect entry
Poor exhaust gas values
Low engine performance
IMPORTANT: Risk of damage!
Do not clean solenoid valves with co