Draining coolant

WARNING: This page is about a different car, the 2010 BMW M6, 2009 BMW M6, 2008 BMW M6, 2007 BMW M6, and 2006 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Open sealing cap (1) on coolant expansion tank.

Fig 1: Identifying Sealing Cap On Coolant Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.

Remove coolant drain plug (1) on radiator.

Drain, catch and dispose of coolant from radiator.

Fig 2: Identifying Coolant Drain Plug On Radiator

Courtesy of BMW OF NORTH AMERICA, INC.

Remove coolant drain plug (1) on radiator.

Drain, catch and dispose of coolant from radiator.

Fig 3: Identifying Coolant Drain Plug On Radiator

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace sealing ring.

Tightening torque 17 11 4AZ .