11 36 048 Removing and installing/replacing inlet and exhaust adjustment units on right side (N62): Installation

WARNING: This page is about a different variant/trim than selected.

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 Marks On Inlet Adjustment Unit And Exhaust Adjustment Unit
Courtesy of BMW OF NORTH AMERICA, INC.

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 The Vacuum Pump

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Replace screw.

Install screw on exhaust adjustment unit.

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

Fig 4: Installing Screw On Exhaust Adjustment Unit

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.

Feed inlet adjustment unit (1) into timing chain.

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

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, see ENGINE - TIGHTENING TORQUES .

Fig 5: Feeding Inlet Adjustment Unit Into Timing Chain

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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 Tools

Courtesy of BMW OF NORTH AMERICA, INC.

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

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 9: Fitting Special Tool 11 9 463 And Tightening Screw In Thread For Oil Line

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tighten down screw (1) of inlet adjustment unit.

Tightening torque, see ENGINE - TIGHTENING TORQUES .

Fig 11: Tightening Screw Of Inlet Adjustment Unit

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 12: Removing Special Tools 11 9 463 And 11 9 461 From Inlet Camshaft

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 13: Placing Special Tool 11 9 462 On Exhaust Camshaft And 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 14: Tightening Screw In Thread For Oil Line

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.

Tightening torque, see ENGINE - TIGHTENING TORQUES .

Fig 15: Tightening Screw Of Exhaust Adjustment Unit

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 16: Removing Special Tools 11 9 463 And 11 9 462 From Exhaust Camshaft

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 17: Securing Vibration Damper With Special Tool 11 9 190

Courtesy of BMW OF NORTH AMERICA, INC.

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 Checking Timing

Courtesy of BMW OF NORTH AMERICA, INC.

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 Checking Timing

Courtesy of BMW OF NORTH AMERICA, INC.