11 36 047 Removing and installing/replacing inlet and exhaust adjustment units on left side (N62): Installation

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. 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 And Exhaust Adjustment Units
Courtesy of BMW OF NORTH AMERICA, INC.

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

Pull timing chain up.

Fig 2: Feeding Inlet Adjustment Unit Into Timing Chain

Courtesy of BMW OF NORTH AMERICA, INC.

Feed inlet adjustment unit (1) into timing chain and fit onto inlet camshaft.

Replace screw.

Install screw on inlet adjustment unit.

Fig 3: Installing Screw On Inlet Adjustment Unit

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Pull timing chain up.

Fig 4: Installing Chain Tensioner

Courtesy of BMW OF NORTH AMERICA, INC.

Feed exhaust adjustment unit (2) into timing chain.

Press tensioner rail (3) back and fit exhaust adjustment unit (2) onto exhaust camshaft.

NOTE: If tensioner rail (3) cannot be pressed back far enough to enable fitting of exhaust adjustment unit (2):
Remove chain tensioner. Place chain tensioner on a level surface and compress slowly and carefully. Repeat this procedure twice.

Installation:

Replace sealing ring. Install chain tensioner and tighten down.

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

Fit exhaust adjustment unit (2).

Replace screw.

Fig 5: Installing Screw On Exhaust Adjustment Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Install screw on exhaust adjustment unit.

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

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

Fig 6: Identifying Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.

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).

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 7: Aligning Inlet Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 8: Fitting Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Fig 9: Securing Vibration Damper

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Tighten down screw (1) of inlet adjustment unit.

Fig 10: Tightening Down Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque, 11 36 16AZ .

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

Fig 11: Removing Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.

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 12: Aligning Exhaust Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 13: Fitting Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tighten down screw (2) of exhaust adjustment unit.

Fig 14: Tightening Down Screw Of Exhaust Adjustment Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque, 11 36 16AZ .

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

Fig 15: Removing Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

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 16: Securing Vibration Damper

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 17: Placing Special Tool On Inlet Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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.

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

Fig 18: Placing Special Tool On Exhaust Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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.

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 19: Clipping Oil Line Into Retainers

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screw (1) and tighten down.

Assemble engine.