Draining coolant

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

Open sealing cap (1) on coolant expansion tank (2).

Installation note:

Close sealing cap (1) until the arrow marks line up.

Fig 1: Identifying Sealing Cap And Coolant Expansion Tank

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Unlock and detach coolant hose (1) from radiator.

Drain, catch and dispose of coolant.

Fig 2: Identifying Radiator Coolant Hose

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Adding coolant:

Use only recommended coolant. Observe mixture ratio. See RADIATOR - OPERATING FLUIDS