11 31 005 Checking camshaft timing (N47D20 K/U/O/T 1)

Special tools required:

Necessary preliminary tasks:

Remove CYLINDER HEAD COVER

Crank engine with special tool 11 6 480 to TDC firing position of cylinder no. 1.

IMPORTANT: Do not turn the engine against the direction of travel .

Fig 1: Cranking Engine With Special Tool (11 6 480)

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Courtesy of BMW OF NORTH AMERICA, INC.

Remove protective cap of gear case cover.

Crank engine at central bolt with special tool 11 6 480

Use special tool 11 5 320 to block the crankshaft in the TDC firing position Cylinder 1

Fig 2: Cranking Engine At Central Bolt With Special Tool (11 6 480)

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Courtesy of BMW OF NORTH AMERICA, INC.

The cam on the intake camshaft (E) points obliquely upwards at cylinder No. 1.

The cam on the exhaust camshaft (A) points obliquely outward to the left at cylinder No. 1.

Fig 3: Identifying Cam Lobes On Camshaft

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Courtesy of BMW OF NORTH AMERICA, INC.

The marking on exhaust sprocket wheel (A) must be aligned with the marking on intake sprocket wheel (E).

NOTE: See Fig 4.

Fig 4: Identifying Sprocket Wheel

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Courtesy of BMW OF NORTH AMERICA, INC.

Place special tool 11 8 760 on exhaust camshaft.

NOTE: Special tool 11 8 760 must lie flush on cylinder head.

Fig 5: Placing Special Tool (11 8 760) On Exhaust Camshaft

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Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, adjust CAMSHAFT TIMING .

Assemble engine.

IMPORTANT: 11 5 320 Remove special tool before starting engine.