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Home >> BMW >> 2005 >> 745Li >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair (N62) >> Camshaft >> 11 31 574 Adjusting camshaft timing on right side (N62 / N62TU)

11 31 574 Adjusting camshaft timing on right side (N62 / N62TU)

Special tools required: 

(cylinder bank 1 to 4) 

Necessary preliminary tasks: 

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

Slacken screws of exhaust and inlet adjustment unit.

Fig 1: Releasing Exhaust And Inlet Adjustment Unit Screws
G03289141Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Special Tools
G03289142Courtesy 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 3: Aligning Inlet Camshaft
G03289143Courtesy 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: Securing Screw In Oil Line Thread
G03289144Courtesy 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.

Fig 5: Tightening Inlet Adjustment Unit Screw
G03289145Courtesy 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 6: Removing Special Tools From Inlet Camshaft
G03289146Courtesy 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: Aligning Exhaust Camshaft
G03289147Courtesy 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: Securing Screw In Oil Line Thread
G03289148Courtesy 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 9: Tightening Exhaust Adjustment Unit Screw
G03289149Courtesy 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 10: Removing Special Tools From Exhaust Camshaft
G03289150Courtesy 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 11: Securing Vibration Damper
G03289151Courtesy 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.

Remove special tool 11 9 461 from inlet camshaft.

Fig 12: Checking Timing Of Inlet Camshaft
G03289152Courtesy 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: Checking Timing Of Exhaust Camshaft
G03289153Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.