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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Engine - Repair (N62)) >> Camshaft >> 11 31 036 Removing and installing/replacing left exhaust camshaft (N62) >> Removal

11 31 036 Removing and installing/replacing left exhaust camshaft (N62): Removal

WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Removal of exhaust camshaft is described separately from installation.

Remove servomotor for left eccentric shaft.

Remove ignition coils on cylinder bank 5 to 8. See IGNITION COIL .

Remove left cylinder head cover .

Remove spark plugs on cylinder bank 5 to 8.

Remove inlet and exhaust adjustment unit on left side.

Remove slide rail (1).

Fig 1: Removing Slide Rail
G03266985Courtesy of BMW OF NORTH AMERICA, INC.

Rotate exhaust camshaft at hexagon head until exhaust cam on cylinder (6) is facing upwards.

Fig 2: Rotating Exhaust Camshaft At Hexagon Head
G03266986Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Do not mix up the camshaft bearing covers of cylinders 1 to 4 and 5 to 8.
NOTE: Bearing caps of exhaust camshaft are marked on cylinder bank 5 to 8 with R A1 to R A5 from inlet side.

Release nuts and remove bearing cap R A1.

Fig 3: Removing Bearing Cap R A1
G03266987Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Retaining clips (1) for oil line are fitted on bearing caps 3 and 5.

Release nuts on bearing caps R A2 to R A5.

Fig 4: Releasing Nuts On Bearing Caps
G03266988Courtesy of BMW OF NORTH AMERICA, INC.

Remove bearing caps R A2 to R A5.

Fig 5: Removing Bearing Caps
G03266989Courtesy of BMW OF NORTH AMERICA, INC.

Remove exhaust camshaft (1).

Fig 6: Removing Exhaust Camshaft
G03266990Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, replace plain compression rings (1).

CAUTION: Plain compression rings (1) can easily break.

Plain compression rings (1) are engaged at joint.

Press compression ring (1) on one side into groove, pull up on other side and remove catch.

Carefully pull compression ring (1) apart and remove towards front.

Fig 7: Removing Compression Ring
G03266991Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, replace sensor gear (1).

Release screw (2) and remove sensor gear (1).

Fig 8: Removing Sensor Gear
G03266992Courtesy of BMW OF NORTH AMERICA, INC.