BMW D 12 Marine engine REMOVING AND INSTALLING THE CYLINDER HEAD Removing the cylinder head Fig. 27 Screw out the hex.-head screw (27/1) and remove the pipe clamp (27/2) from the high-pressure line (27/3). Unscrew the two union nuts (27/4) and remove the high-pressure line between injection pump and injector.
27 Fig. 28 Unscrew the hollow screw (28/1) and remove the return-line (28/2) from the injector. Unscrew the two hex. nuts (28/3) and take the injector out of the cylinder head. Take the sealing ring and gasket out of the cylinder head.
28 Fig. 29 Screw out the socket-head screw (29/1) and remove the carrier bracket (29/2) from the cylinder head. Screw out the two socket-head screws (29/3), remove them together with their spring washers and take the valve cover (29/4) together with seal off the cylinder head.
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