(cylinder bank 1 to 4)

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.

Necessary preliminary tasks:

Are described in the operation "Checking camshaft timing on right side".
Remove right timing case cover

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

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

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 3: 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 4: Fitting Special Tool, Securing Screw In Thread For Oil Line And Tightening Down By Hand

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

Fig 5: Identifying 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 6: Releasing Screw, 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 7: 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 8: Fitting Special Tool 11 9 463, Securing 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, refer to 11 36 16AZ in ENGINE - TIGHTENING TORQUES .

Fig 9: 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 10: Releasing Screw And 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.

Fig 11: Removing Special Tool 11 9 190

Courtesy of BMW OF NORTH AMERICA, INC.

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.

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: Identifying Special Tool 11 9 461

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 13: Identifying Placing Special Tool 11 9 462

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.