11 31 005 Checking camshaft timing (N57 Diesel)

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Special tools required:

Necessary preliminary tasks:

Remove underbody protection. See UNDERBODY PROTECTION (FRONT) and UNDERBODY PROTECTION (REAR) .
Remove CYLINDER HEAD COVER .
Only all-wheel drive vehicles: Remove STIFFENING PLATE .

Crank engine with special tool 11 6 480 to TDC firing position of first cylinder.

IMPORTANT: Do not crank engine back.

Fig 1: Identifying Special Tool (11 6 480)

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

IMPORTANT: Do not turn the engine back.
Special tool 11 6 480 must be removed before starting engine.

Fig 2: Securing Flywheel Using Special Tool (11 5 320)

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 Positions At Cylinder 1

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 Camshaft Sprockets

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.

If necessary, adjust CAMSHAFT TIMING .

Fig 5: Identifying Special Tool (11 8 760)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

IMPORTANT: Special tool 11 5 320 must be removed before starting engine.