11 31 005 Checking camshaft timing (B48B)

Special tools required: 

• 11 6 480
• 2 365 488
• 2 288 380
• 2 358 122

Necessary preliminary tasks: 

• Remove CYLINDER HEAD COVER 
• Remove SPARK PLUGS
• Remove FRONT UNDERBODY PROTECTION
• Remove ACOUSTIC COVER AT FRONT 

Additionally for vehicles with automatic transmission  :

• Remove STARTER MOTOR

Release cover (1) from the vibration damper with a screwdriver.

Courtesy of BMW OF NORTH AMERICA, INC.

Crank engine with special tool 11 6 480 to TDC firing position of cylinder no. 1.

Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 2 365 488 and fasten with bolts.

Use special tool 2 288 380 to block the crankshaft in the TDC firing position Cylinder 1

Courtesy of BMW OF NORTH AMERICA, INC.

The markings (1) on the intake and exhaust camshafts can be read from above.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

The cam on the exhaust camshaft (A) on the first cylinder points obliquely inwards to the right.

Courtesy of BMW OF NORTH AMERICA, INC.

The cam on the intake camshaft (E) on the first cylinder points obliquely to the left.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Secure basic carrier (1) by screws (2) on cylinder head.

Position gauge (3) with recess on mounting flats of exhaust camshaft.

Secure basic carrier (3) by screws (5) on basic carrier.

Position gauge (4) with recess on mounting flats of intake camshaft.

Secure gauge (4) by screws (5) on basic carrier.

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, adjust VALVE TIMING .

Required follow-up work: 

• Remove all special tools
• Install SPARK PLUGS
• Install CYLINDER HEAD COVER 
• Install FRONT UNDERBODY PROTECTION
• Install ACOUSTIC COVER AT FRONT 

Additionally for vehicles with automatic transmission  :

• Install STARTER MOTOR