11 31 005 Checking timing of camshaft(s) (N52K): Installation

Install fastener (1) with bore facing outwards.

Fig 1: Installing Fastener

Courtesy of BMW OF NORTH AMERICA, INC.

Rotate crankshaft at central bolt into TDC position.

Slide special tool 11 0 300 in direction of arrow into dowel hole and secure crankshaft.

Fig 2: Rotating Crankshaft At Central Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

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

With 1st cylinder in firing TDC position, cams of inlet camshaft (1) at 1st cylinder point upwards at an angle.

Fig 3: Identifying Cams Of Inlet Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

The timings are correct when the part numbers (2) on the inlet and exhaust camshafts (1) point upwards.

Fig 4: Identifying Part Numbers Camshafts

Courtesy of BMW OF NORTH AMERICA, INC.

With 1st cylinder in firing TDC position, cams of exhaust camshaft (3) at 6th cylinder point downwards at an angle.

Cam follower (1) is not actuated.

Fig 5: Identifying Camshaft Position With Cam Follower

Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 4 283 with bolts (1) to cylinder head.

Mount special tool 11 4 281 on intake and exhaust camshafts.

Fig 6: Identifying Special Tools Fitted To Camshaft And Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, adjust VALVE TIMING  .

Assemble engine.