11 31 005 Checking camshaft timing (N55 Hybrid)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING:

High-voltage hazard!

The following must be strictly observed prior to starting work :

Observe SAFETY INFORMATION for handling hybrid cars.

IMPORTANT: When the engine is shut down, the intake and exhaust camshaft adjusters are normally locked in their initial setting. In order to avoid incorrect timing adjustment, it is essential to check the locking of the camshaft adjuster and if necessary perform locking by rotating the camshafts.

IMPORTANT: For the positioning of the special tool 11 4 281 on the mounting flats of the intake camshaft, a collision with the cylinder throttle return spring 1 can occur.
Special tool 11 4 281 reconditions at following description.

Check for freedom of movement of throttle return spring at intermediate lever cylinder 1.

Recondition special tool 11 4 281 .

Recondition chamfer on special tool 11 4 281 as shown in area that is 50 mm long and 8.5 mm wide.

Fig 1: Reconditioning Chamfer On Using Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Recondition chamfer on special tool 11 4 281 to 8.5 (see Fig 2).

Fig 2: Reconditioning To 8.5mm

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary work:

Remove CYLINDER HEAD COVER .
Remove UNDERBODY PROTECTION .

Remove fastener (1) in direction of arrow.

Installation note:

Install fastener (1) with bore facing outwards.

Fig 3: Removing Fastener

Courtesy of BMW OF NORTH AMERICA, INC.

Rotate crankshaft at central bolt into TDC setting.

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

IMPORTANT: 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.

Fig 4: Securing Crankshaft Using Special Tool (11 0 300)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Vehicles with automatic transmission can only be secured to the specified position on flywheel (1) (see arrow).

Fig 5: Identifying Position For Fixing Special Tool To Flywheel

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 6: Identifying Position Of Intake Cams With Cylinder 1 At TDC

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Identifying Position Of Exhaust Cams With Cylinder 1 At TDC

Courtesy of BMW OF NORTH AMERICA, INC.

The timings are correct when the part numbers or read code (1) and the intake and exhaust camshafts point upwards.

Fig 8: Locating Camshaft Designation

Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 4 285 with bolts (1) to cylinder head.

NOTE: Fit special tool 11 4 282 underneath on side of intake camshaft.

Mount reworked special tool 11 4 281 on the intake camshaft.

Mount special tool 11 4 281 on the exhaust camshaft.

Fig 9: Mounting Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, adjust VALVE TIMING .

Assemble engine.