11 31 573 Adjusting Camshaft Timing On Left Side (N62 / N62TU)

Special tools required:

11 9 190
11 9 460
11 9 461
11 9 462
11 9 463

(cylinder bank 5 to 8)

Necessary preliminary tasks:

Check camshaft timing on left side . See 11 31 070 CHECKING CAMSHAFT TIMING ON LEFT SIDE (N62/N62TU) .
Remove left timing case cover . See 11 14 080 REMOVING AND INSTALLING TOP LEFT TIMING CASE COVER (N62/N62TU) .

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

G04739952

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 Tools

G04739953

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: Identifying Special Tool (11 9 461)

G04739954

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: Identifying Special Tool (11 9 463)

G04739955

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 -- ALPINA .

Fig 5: Identifying Screw Of Inlet Adjustment Unit

G04777258

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: Identifying Special Tool (11 9 463)

G04739955

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: Identifying Special Tool (11 9 462)

G04739958

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: Identifying Special Tool (11 9 463)

G04739959

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 -- ALPINA .

Fig 9: Identifying Special Tool (11 9 462)

G04739960

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: Identifying Special Tool (11 9 463)

G04739959

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 11: Identifying Special Tool (11 9 190)

G04739938

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.

Remove special tool 11 9 461 from inlet camshaft.

Fig 12: Identifying Special Tool (11 9 461)

G04739954

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 Special Tool (11 9 462)

G04739958

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.