Separate expansion tank

WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.

Remove vent hose.

Fig 1: Removing Vent Hose

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Remove coolant hose.

Fig 1: Removing Coolant Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip coolant expansion tank from retaining clips and pull upwards to remove from bracket.

Fig 1: Removing Coolant Expansion Tank From Bracket

Courtesy of BMW OF NORTH AMERICA, INC.