Replace sealing ring

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Unlock quick-release coupling on coolant hose (5).

Detach coolant hose (5) and lay to one side.

Unfasten screws (2).

Fig 1: Identifying Pipe, Screws And Coolant Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 11 51 1AZ .

Remove coolant pump (1) in upward direction with a tilting motion.

Installation note:

Assemble engine.

Top up COOLANT .

BLEEDING INSTRUCTIONS must be observed without fail.