11 31 005 Checking camshaft timing (M57T2)

Necessary preliminary tasks:

Crank engine at central bolt.

The cams on the camshafts (1) of the 1st cylinder point in the direction of travel to the right.

See illustration M57TU.

Fig 1: Identifying Camshafts

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Remove protective cap in direction of arrow.

Installation:

Reinstall protective cap with some grease.

Fig 2: Removing Protective Cap

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Hold crankshaft in TDC position with special tool 11 6 080.

IMPORTANT: Do not turn the engine back.
Special tool 11 6 080 must be removed before engine is started.

Fig 3: Holding Crankshaft On TDC Position Using Special Tool (11 6 080)

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Fit special tool 11 6 321 on inlet camshaft (1).

NOTE: Special tool 11 6 321 must lie flush on cylinder head.

Fig 4: Fitting Special Tool (11 6 321) On Inlet Camshaft

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For a better overview, this work step is shown without the vacuum pump.

Fit special tool 11 6 321 on exhaust camshaft (1).

NOTE: Special tool 11 6 321 must lie flush on cylinder head.

If necessary, adjust CAMSHAFT TIMING .

Fig 5: Identifying Special Tool (11 6 321) On Exhaust Camshaft

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Assemble engine.