3 Series E46 316i (N42) SAL
12 51 001
Replacing wiring harness section for engine
(N42 / N40)
Switch off ignition.
N42 only:
Remove battery.
Disconnect Valvetronic control unit.
Disconnect Valvetronic relay.
The tasks mentioned above are described in the section
Replacing Valvetronic control unit.
Disconnect battery.
Remove ignition coil cover.
Remove intake air manifold.
Remove alternator.
Work step
Note:
Unlock plug on oil level switch and disconnect
Unlock plug on crankshaft pulse generator and disconnect
Unlock plug on tank vent valve and disconnect
Unlock plug on A/C compressor and disconnect
Unlock plug on alternator and disconnect
Unlock plug on coolant temperature sensor and disconnect
Unlock plug on oil pressure switch and disconnect.
Unlock plug on knock sensors and disconnect
Release control wires on starter motor.
Unlock connector strip of fuel injectors and disconnect
Unlock plug on inlet camshaft pulse generator and disconnect
Unlock plug on exhaust camshaft pulse generator and disconnect
Unlock plug on solenoid valve for inlet side on VANOS adjustment unit and
disconnect
RA Replacing wiring harness section for engine (N42 / N40)
BMW AG - TIS
20.01.2013 19:22
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -