1 3 E110111 11 12 116 Removing cylinder head • Remove front chain rail (1). Checking timing chain for wear • Remove cylinder head. • Push hydraulic chain tensioner (4) toward the tensioner rail in the guide on the cylinder, until re- sistance to movement is felt. • Measure distance “ A ” from the sealing face to the chain tensioner piston. 11.28 2 • Release the coolant line hose clips with pliers, BMW No. 17 5 500. • Secure timing chain with cable tie. – Remove starter (a 12.9). • Remove collar nuts from cylinder head. L Note: If the cylinder head does not have to be disassem- bled, do not separate cylinder head from cylinder. In this case the next six steps can be omitted.
4 • Remove machine screws for chaincase (2). • Remove rear collar screw (3) from cylinder head. • Remove front collar screws from cylinder head. • Remove top collar screws from cylinder head. • Separate the cylinder head from the cylinder. B A F111060 F111060