8 Series E31 850Ci (M73) COUPE
12 63 520
Replacing main relay (for Digital Motor
Electronics) (M 73)
Switch off ignition.
Unscrew bolts.
Replace cover on electronics box.
Tightening torque: 4.4 Nm.
Remove relay (1) for DME 1.
Remove relay (2) for DME 2.
Note:
The relays with a lead cross section greater than 2.5 mm
2
are the DME master relays. If in doubt, extract relays one after
another and establish whether desired function has been
interrupted.
Relay (3) is starter motor inhibit relay
Interrogate fault memory of control unit for Digital Motor
Electronics (DME), check error messages in memory, rectify faults
and clear fault memory.
RA Replacing main relay (for Digital Motor Electronics) (M 73)
BMW AG - TIS
06.02.2013 08:27
Issue status (12/2007) Valid only until next DVD is issued
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