11 36 048 Removing And Installing/Replacing Inlet And Exhaust Adjustment Units On Right Side (N62): Installation

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.

Installation of inlet and exhaust adjustment units is described separately from removal.

CAUTION: Risk of mixing up parts.

The inlet and exhaust adjustment units are different.

Mixing up the inlet and exhaust adjustment units will cause damage to the engine.

Inlet adjustment unit (1) is marked with EIN and IN
Exhaust adjustment unit (2) is marked with AUS and EX

Fig 1: Identifying Inlet Adjustment Unit And Exhaust Adjustment Unit
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NOTE: The exhaust adjustment unit on cylinder bank 1 to 4 also has a metal clip (3) for driving the vacuum pump.

Fig 2: Identifying Metal Clip For Driving Vacuum Pump

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NOTE: Position of exhaust adjustment unit (2) to timing chain can be freely selected.

Pull timing chain up.

Feed exhaust adjustment unit (2) into timing chain and fit onto exhaust camshaft.

Fig 3: Feeding Exhaust Adjustment Unit Into Timing Chain And Fitting Onto Exhaust Camshaft

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Replace screw.

Install screw on exhaust adjustment unit.

Fig 4: Installing Screw On Exhaust Adjustment Unit

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Tighten screw without play and then slacken off again by half a turn.

NOTE: Position of inlet adjustment unit (1) to timing chain can be freely selected.

Pull timing chain up.

Feed inlet adjustment unit (1) into timing chain.

Press tensioner rail (3) back and fit inlet adjustment unit (1) onto inlet camshaft.

Fig 5: Pressing Tensioner Rail Back And Fitting Inlet Adjustment Unit Onto Inlet Camshaft

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NOTE: If tensioner rail (3) cannot be pressed back far enough to enable fitting of inlet adjustment unit (1):

Slacken off chain tensioner by approx. three turns.

Fit inlet adjustment unit (1).

Replace and insert screw on inlet adjustment unit (1).

Tighten down chain tensioner.

Tightening torque, of chain tensioner, refer to 11 31 8AZ in ENGINE - TIGHTENING TORQUES .

Tighten screw on inlet adjustment unit without play and then slacken off again by a half turn.

Fig 6: Tightening Screw On Inlet Adjustment Unit Without Play And Slacken Off Again By Half Turn

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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 7: Identifying Special Tool Kit 11 9 460 For Securing Camshafts

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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 8: Placing Special Tool 11 9 461 On Inlet Camshaft And Aligning 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 9: Fitting Special Tool 11 9 463 And Securing Screw In Thread For Oil Line And Tightening Down By Hand

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CAUTION: Make sure screws of inlet and exhaust adjustment units have been slackened off.

Crank engine at central bolt from 45° before TDC position in direction of rotation to firing TDC position.

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

Fig 10: Securing Vibration Damper With Special Tool 11 9 190

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

Tighten down screw (1) of inlet adjustment unit.

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

Fig 11: Tightening Screw (1) Of Inlet Adjustment Unit

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

Fig 12: Releasing Screw And 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 13: Placing Special Tool 11 9 462 On Exhaust Camshaft And Aligning 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 14: Fitting Special Tool And Securing Screw In Thread For Oil Line

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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 15: Tightening 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 16: Releasing Screw And Removing Special Tools 11 9 463/11 9 462 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 17: Securing Vibration Damper With 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.

Fig 18: 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 19: Placing Special Tool 11 9 462 On Exhaust Camshaft And Check Timing

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Remove all special tools.

CAUTION: Screw (1) is a special screw and must not be replaced with a normal M8 screw.

Clip oil line (3) into retainers (2).

Fig 20: Clipping Oil Line Into Retainers

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Insert screw (1) and tighten down.

Assemble engine.