11 31 005 Checking camshaft timing

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 0 300
11 4 281
11 4 282
11 4 283

Necessary preliminary tasks:

Remove Cylinder Head Cover .
Remove front splash guard.

Remove fastener (1) in direction of arrow.

Installation:

Install fastener (1) with bore facing outwards.

Fig 1: Identifying Crankshaft Fastener

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Rotate crankshaft at central bolt into TDC position.

Slide in special tool 11 0 300 in direction of arrow and block crankshaft.

IMPORTANT: On engines with automatic transmissions, there is shortly before the special tool bore for the TDC position a large bore which can be confused with the special tool bore.

If the flywheel is secured in the correct bore with special tool 11 0 300, the engine can no longer be moved at the central bolt.

Fig 2: Identifying Special Tool (11 0 300)

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Secure special tool 11 4 283 on cylinder head with screws (1).

NOTE: Fit special tool 11 4 282 underneath on inlet side.

Mount special tool 11 4 281 on inlet and exhaust camshafts.

Fig 3: Identifying Special Tool (11 4 281), (11 4 282), (11 4 283) And Screws

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The timings are correct when the part number (2) can be read from above on the camshafts (1).

Fig 4: Identifying Inlet Camshaft And Part Number Position

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With 1st cylinder in firing TDC position, cams of inlet camshaft (1) at 1st cylinder point upwards at an angle.

Fig 5: Identifying Inlet Camshaft TDC Position

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With 1st cylinder in firing TDC position, cams of exhaust camshaft (3) at 6th cylinder point downwards at an angle.

Roller cam follower (1) is not actuated.

NOTE: If the timing is checked while the engine is installed, the position of the camshaft can only be checked with a mirror.

Fig 6: Identifying Roller Cam Follower And Exhaust Camshaft

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Assemble engine.