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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2023 (Engine - Repair) >> Camshaft >> 11 31 505 Adjusting Camshaft Timing (N54)

11 31 505 Adjusting Camshaft Timing (N54)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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 fastener (1) in direction of arrow.

Installation: 

Install fastener (1) with bore facing outwards.

Fig 1: Installing Fastener
G04751152Courtesy 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 secure 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 In Special Tool 11 0 300
G04754924Courtesy 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 4 283 And 11 4 281
G04754926Courtesy of BMW OF NORTH AMERICA, INC.

With cylinder no. 1 in firing TDC position, cams of exhaust camshaft (2) and inlet camshaft (1) at cylinder no. 6 point downwards at an angle.

NOTE: If the timing is adjusted while the engine is installed, the position of the camshaft can only be checked with a mirror.
Fig 4: Identifying Cams Of Inlet And Exhaust Camshaft
G04754925Courtesy of BMW OF NORTH AMERICA, INC.

Release central bolt (1) of exhaust camshaft.

Installation: 

Replace screw (1)  .

Tightening torque. See 11 36 1AZ in 11 36 VARIABLE CAMSHAFT CONTROL .

Release central bolt (2) of inlet camshaft.

Installation: 

Replace screw (2)  .

Tightening torque. See 11 36 1AZ in 11 36 VARIABLE CAMSHAFT CONTROL .

Fig 5: Identifying Central Bolt Of Inlet And Exhaust Camshaft
G04754984Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 6: Identifying Special Tool 11 8 520
G04754985Courtesy of BMW OF NORTH AMERICA, INC.
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