12 42 520 Removing and installing/replacing positive battery lead (between alternator and positive battery terminal on cylinder head cover) (M60, M62)

Instructions for disconnecting and connecting battery, refer to DISCONNECTING AND CONNECTING BATTERY .

Switch off ignition.

Remove battery negative line.

Unfasten clips (1).

If fitted, unfasten hose clip (2) on air intake hose for air pump.

Disconnect plug-in connection (3).

Unfasten hose clip (4).

Remove upper section of suction filter housing with mass air flow sensor.

Fig 1: Removing Clip

Remove accelerator cables (1 and 2).

Accelerator pedal
Cruise control
Remove complete throttle assembly, refer to 13 54 060 REMOVING AND INSTALLING OR REPLACING THROTTLE BODY (ASC+T) (M60, M62) .

Fig 2: Removing Accelerator Cables

Unfasten screw connection on oil filter.

Fig 3: Unfastening Screw Connection On Oil Filter

Place oil filter to one side.

Fig 4: Placing Oil Filter To One Side

Disconnect alternator connections.

Fig 5: Disconnecting Alternator Connections

Disconnect alternator connections. (Illustrated here after removal).

Fig 6: Disconnecting Alternator Connections

Unfasten plug connection (1).

Unfasten nut (2).

Tightening torque, refer to 12 31 1AZ ALTERNATOR WITH DRIVE AND MOUNTING .

Unfasten cable connector.

Fig 7: Removing Cable Connector

Guide tube on positive battery wire.

Unscrew screw. Illustrated here without coolant hose.

Fig 8: Removing Screws

Guide tube on positive battery wire.

Unscrew screw.

Fig 9: Removing Guide Tube Screws

Unfasten nut.

Remove wiring harness.

Fig 10: Removing Nut