11 31 505 Adjusting camshaft timing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

IMPORTANT:

Risk of damage!

To open the central bolt at the camshaft, grip hexagon on rear of camshaft.

Necessary preliminary tasks:

Remove CYLINDER HEAD COVER .

Remove fastener (1) in direction of arrow.

Installation note:

Install fastener (1) with bore facing outwards.

Fig 1: Removing Fastener

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Courtesy of BMW OF NORTH AMERICA, INC.

Rotate crankshaft at central bolt into TDC position.

Slide in special tool 11 0 300 in direction of arrow and block crankshaft.

IMPORTANT: On engines with automatic transmissions, there is shortly before the special tool bore for the TDC position a large bore which can be confused with the special tool bore.

If the flywheel is secured in the correct bore with special tool 11 0 300 , the engine can no longer be moved at the central bolt.

Fig 2: Sliding Special Tool (11 0 300)

G05501758

Courtesy of BMW OF NORTH AMERICA, INC.

Fit special tool 11 4 283 with screws (1).

Fit special tool 11 4 281 on special tool 11 4 283.

IMPORTANT: If the special tool 11 4 281 cannot be installed, the camshaft must be rotated at the hexagon head at the rear.

Fig 3: Identifying Special Tools (11 4 281) And (11 4 283)

G05501759

Courtesy of BMW OF NORTH AMERICA, INC.

With 1st cylinder in firing TDC position, cams of exhaust camshaft (2) and inlet camshaft (1) at 6th cylinder point downwards at an angle.

NOTE: If the timing is checked while the engine is installed, the position of the camshaft can only be checked with a mirror.

Fig 4: Identifying Cams Of Exhaust Camshaft And Inlet Camshaft

G05501760

Courtesy of BMW OF NORTH AMERICA, INC.

Release central bolt (1) of exhaust camshaft.

Installation note:

Replace screw (1).

Tightening torque: 11 36 1AZ .

Release central bolt (2) of inlet camshaft.

Fig 5: Identifying Inlet Camshaft Central Bolt And Screw

G05501761

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace screw (2).

Tightening torque: 11 36 1AZ .

Rotate sensor gears until locating pins on special tool 11 8 520 match up.

Push special tool 11 8 520 onto cylinder head.

Secure special tool 11 8 520 with bolts (1 and 2).

NOTE: Bolts (1 and 2) M6 x 45 with captive shim.

Fig 6: Securing Special Tool (11 8 520) With Bolts

G05501762

Courtesy of BMW OF NORTH AMERICA, INC.

Remove CHAIN TENSIONER (1).

Screw special tool 11 9 340 into cylinder head.

Pretension timing chain with special tool 00 9 250 to 0.6 Nm.

Tighten central bolts (2 and 3) with special tool 00 9 120.

Tightening torque: 11 36 1AZ .

Fig 7: Identifying Chain Tensioner And Central Bolts

G05501763

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.