11 36 610 Removing and installing/replacing left camshaft adjustment unit (M62 VANOS from 9/98): Removal:

WARNING: This page is about a different variant/trim than selected.

Remove intake filter housing with air-mass flow sensor.

Remove fan impeller with fan clutch and fan cowl.

Remove both cylinder head covers.

NOTE: In firing TDC position, the inlet camshaft 1 to 4 rotates in the teeth of the camshaft adjustment unit.

CAUTION: This twisting is caused by the position of the cams and is not an indication for incorrect timing.

Fig 1: Identifying Camshaft Rotating Position

Courtesy of BMW OF NORTH AMERICA, INC.

Removal of the left camshaft adjustment unit is described separately from installation. Assembly sequence for removal and installation is different.

Remove oil lines on left and right of cylinder head.

Fig 2: Removing Oil Lines On Left And Right Of Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

Turn engine in direction of rotation as far as TDC firing position of first cylinder.

Fig 3: Identifying Cam Direction Of Rotation

Courtesy of BMW OF NORTH AMERICA, INC.