Removing Right Cylinder Head

REMOVING RIGHT CYLINDER HEAD (Cylinder bank 1-4)

CAUTION: Disconnecting the battery will cancel (clear) the memory of control units which have diagnostic trouble code capabilities. Be sure to interrogate all control units for possible diagnostic trouble codes prior to disconnecting the battery.
BMW anti-theft radios can be rendered useless by disconnecting the battery. Make sure you know the correct code before disconnecting the battery. See your owner's manual for more information.

- Disconnect battery.
- Remove right exhaust manifold, Removing Exhaust Manifolds
- Unfasten drain plug for coolant on right engine block.
- Drain and dispose of coolant.

Installation Note:
- Replace sealing ring, torque to 28 ± 2 Nm (21 ± 1.5 ft lb).
- Bleed cooling system and check for water leaks.

- Remove both cylinder head covers, Removing Cylinder Head Covers
- Remove spark plugs, Removing Spark Plugs
- Remove top right timing case cover, Removing Top Right Timing Case Cover
- Remove fan coupling with fan wheel, Removing Fan Coupling
- Remove coolant manifold, Removing Coolant Manifold




- Remove oil lines on left and right of cylinder head.




- Crank engine at central bolt in direction of rotation until the first cylinder is in TDC position.




- Unfasten the accessible three screws in the exhaust and intake camshaft on cylinder bank 5-8 approx. 1/2 a turn.




- Crank engine once enginewise up to TDC position of first cylinder.





NOTE: When camshaft screw connection is unfastened, brace camshaft on hex head.

CAUTION: Do not damage the cylinder head. Machine open-end wrench accordingly if necessary.




- Unfasten remaining three screws in exhaust and intake camshafts in cylinder bank 5-8 approx. 1/2 a turn.




- Remove sprocket on right intake camshaft (cylinder bank 1-4).
- Secure chain to prevent it from dropping.




- Turn engine on central screw counter-enginewise up to 45° before TDC position. Note markings!

NOTE: On engines without a 45° marking before TDC, turn engine counter-enginewise on the central screw until gap in increment wheel fits in special tool 11 3 440




- Unfasten guide rail on right cylinder head.




- Release cylinder-head bolts in sequence 10 ... 1.
- Lift off cylinder head.