11 31 573 Adjusting camshaft timing on left side (N62 / N62TU)

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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, refer to 11 31 070 Checking camshaft timing on left side (N62)
Remove left timing case cover, refer to 11 14 080 Removing and installing top left timing case cover (N62)

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

Slacken screws of exhaust and inlet adjustment unit.

Fig 1: Identifying Camshafts Hexagon Head

G03289128

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Special Tools

G03289129

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 3: Placing Special Tool On Inlet Camshaft

G03289130

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: Installing Special Tool

G03289131

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Tightening Inlet Adjustment Unit Screw

G03289132

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screw (1) of inlet adjustment unit.

Tightening torque 11 36 16AZ .

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

Fig 6: Releasing Screw And Removing Special Tools From Inlet Camshaft

G03289133

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: Aligning Exhaust Camshaft

G03289134

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: Securing Screw In Thread For Oil Line

G03289135

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 9: Tightening Exhaust Adjustment Unit Screw

G03289136

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 10: Removing Special Tools From Exhaust Camshaft

G03289137

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: Securing Vibration Damper

G03289138

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: Checking Timing Of Inlet Camshaft

G03289139

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: Checking Timing Of Exhaust Camshaft

G03289140

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.