Replacing the engine branch harness BMW S85

12 51 001

Necessary preliminary tasks:
Read the fault codes in the ECU memory digital engine electronics (DME).
Check stored fault codes.
Turn off the ignition.
Disconnect the battery.
Remove the intake manifold.
Remove the lid left and right ionic current control units.
Remove the left and right covers of ignition coils.
Unlock and disconnect all connectors from the electronics box.

Remove the screw on the cable box (1).
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Remove the screw on the cable box (1).
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Operation
Disconnect positive battery cable from the cable box front and rear.
Unlock and disconnect plug connections on the left and right ignition coil.
Unlock and disconnect the connectors from the left and right ionic current control units.
Disconnect the cable to ground on the left and right ionic current control units.
Unlock and disconnect connectors pulse sensor left and right of inlet valves.
Unlock and disconnect connectors pulse sensor left and right exhaust camshaft.
Unlock and remove the branch wiring harness connector to the generator from the cable box.
Unlock and remove the branch wiring harness connector to the air conditioner compressor from the cable box.
Unlock and disconnect plug connections of left and right injectors on the cable box.
Unlock and disconnect plug connection of the switching valve.
Unlock and disconnect the connector of the left Hall sensor.
Unlock and disconnect the connector of the left servo motor.
Unlock and disconnect plug coolant temperature sensor.
Unlock and disconnect plug connections of the left and right valve idling.
Unlock and disconnect plug connections of the left and right valve of a fuel tank ventilation.
Unlock and disconnect the wire connector starter control circuit.
Unlock and disconnect plug connection right Hall sensor.
Unlock and disconnect plug connection differential pressure sensor
Unlock and disconnect plug crankshaft pulse
Unlock and disconnect plug connections of the left and right adjusting the lambda probes.
Unlock and disconnect plug connections of the left and right of control of lambda probes.
Unlock and disconnect plug connections left and right temperature sensors.

To turn away from the gearbox mount.
Cables, connectors, lambda probes, temperature sensor and crankshaft lay over mounting right catalyst.
Wires remove upwards.
Remove the wiring harness.

Installation:
Pay attention to the styling and the point of attachment of wires.
Erase trouble codes.