3 Series E92 M3 (S65) COUPE
12 51 001
Replacing wiring harness section for engine
(S65)
Necessary preliminary tasks:
•
Read out fault memory of control unit of Digital Engine
Electronics (DME)
•
Check stored fault messages.
•
Switch off ignition
•
Disconnect battery
•
Remove intake air manifold
•
Remove secondary-air pump
•
Remove ignition coil cover on left and right
•
Unlock all plug connections in electronics box and disconnect
Release nuts at cable duct (1).
Work step
Note:
Unlock plug on A/C compressor and disconnect
Disconnect plug connection, exhaust VANOS, bank 1
Disconnect plug connection on oil pressure switch
Disconnect plug connection, inlet VANOS, bank 1
Disconnect plug connections for both camshaft sensors, bank 1
Disconnect plug connections for ignition coils 1, 2 and 3
Release grounding cable
Disconnect plug connection, ignition coil 4
Disconnect plug connections on injectors 1-4
Release B+ lead holder
Disconnect plug connections, oxygen sensors
Disconnect plug connections in electronics box
Disconnect BSD lead on alternator
If necessary, disconnect B+ lead on alternator
Tightening torque 12 31 1AZ
.
Disconnect plug connection, exhaust VANOS, bank 2
RA Replacing wiring harness section for engine (S65)
BMW AG - TIS
21.02.2013 19:27
Issue status (12/2007) Valid only until next DVD is issued
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