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Sealing and replacing control valve for left engine vent on engine BMW M73

Unfasten screws (1) and remove control valve.

(illustrated here on removed engine)

Sealing and replacing control valve for left engine vent on engine BMW M73

Installation:

Fit manifold without control valve.

Control valve must first be fitted to neck (1) on cylinder head cover, then fitted to sealing face (2) of manifold.

Sealing and replacing control valve for left engine vent on engine BMW M73

Installation:

On control valve, first press adapter (1) for cylinder head cover inwards.

Sealing and replacing control valve for left engine vent on engine BMW M73

Installation:

Fit control valve with fitted adapter (1) into the cylinder head cover.

Apply good coating of anti-friction agent to adapter (1).

Sealing and replacing control valve for left engine vent on engine BMW M73

Installation:

Fit control valve (1) to neck of cylinder head cover (2) and press control valve downwards, causing adapter to slide onto neck of cylinder head cover.

Screw control valve onto manifold.