11 31 573 Adjusting Camshaft Timing On Left Side (N62 / N62TU)

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, refer to ENGINE - SPECIAL TOOLS - 645CI .

Special Tools Required:

11 9 190
11 9 460
11 9 461
11 9 462
11 9 463

(cylinder bank 5 to 8)

Necessary preliminary tasks:

Check camshaft timing on left side, refer to 11 31 070 CHECKING CAMSHAFT TIMING ON LEFT SIDE (N62) .
Remove left timing case cover. Refer to 11 14 080 REMOVING AND INSTALLING TOP LEFT TIMING CASE COVER (N62) .

NOTE: When slackening screws, grip camshafts at hexagon head.

Slacken screws of exhaust and inlet adjustment unit.

Fig 1: Identifying Screws Of Exhaust And Inlet Adjustment Unit

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Get special tool kit 11 9 460 ready for securing camshafts.

NOTE: Special tool 11 9 461 for securing inlet camshaft.

Special tool 11 9 462 for securing exhaust camshaft.

Special tool 11 9 463 (holder with screw).

Fig 2: Identifying Special Tools 11 9 461/11 9 461/11 9 463

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Place special tool 11 9 461 on inlet camshaft and align inlet camshaft so that special tool 11 9 461 rests without a gap on cylinder head.

Fig 3: Placing Special Tool 11 9 461 On Inlet Camshaft

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Fit special tool 11 9 463, secure screw (1) in thread for oil line and tighten down by hand.

Fig 4: Fitting Special Tool 11 9 463

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NOTE: When tightening down screw (1), grip camshaft at hexagon head.

Tighten down screw (1) of inlet adjustment unit.

Fig 5: Identifying Screw Of Inlet Adjustment Unit

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Tightening torque, refer to 11 36 16AZ in ENGINE - TIGHTENING TORQUES .

Release screw (1), remove special tools 11 9 463 and 11 9 461 from inlet camshaft.

Fig 6: Removing Special Tools 11 9 463/11 9 461 From Inlet Camshaft

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Place special tool 11 9 462 on exhaust camshaft and align exhaust camshaft so that special tool 11 9 462 rests without a gap on cylinder head.

Fig 7: Placing Special Tool 11 9 462 On Exhaust Camshaft

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Fit special tool 11 9 463, secure screw (1) in thread for oil line and tighten down by hand.

Fig 8: Fitting Special Tool 11 9 463

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NOTE: When tightening down screw (2), grip camshaft at hexagon head.

Tighten down screw (2) of exhaust adjustment unit.

Tightening torque, refer to 11 36 16AZ in ENGINE - TIGHTENING TORQUES .

Fig 9: Tightening Down Screw (2) Of Exhaust Adjustment Unit

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Release screw (1), remove special tools 11 9 463 and 11 9 462 from exhaust camshaft.

Fig 10: Removing Special Tools 11 9 463/11 9 462 And From Exhaust Camshaft

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Remove special tool 11 9 190.

Crank engine at central bolt twice in direction of rotation until engine returns to firing TDC position of 1st cylinder.

Secure vibration damper with special tool 11 9 190 in firing TDC position of 1st cylinder.

Fig 11: Removing Special Tool 11 9 190

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Place special tool 11 9 461 on inlet camshaft and check timing.

NOTE: The timing is correctly adjusted when special tool 11 9 461 rests flat on the cylinder head or protrudes by up to 0.5 mm to the exhaust side.

Remove special tool 11 9 461 from inlet camshaft.

Fig 12: Placing Special Tool 11 9 461 On Inlet Camshaft And Check Timing

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Place special tool 11 9 462 on exhaust camshaft and check timing.

NOTE: The timing is correctly adjusted when special tool 11 9 462 rests flat on the cylinder head or protrudes by up to 0.5 mm to the exhaust side.

Fig 13: Placing Special Tool 11 9 462 On Exhaust Camshaft

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Remove all special tools.

Assemble engine.