Draining coolant

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. 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: Locating Coolant Expansion Tank And Sealing Cap

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Unlock tabs (1) on front axle support and remove radiator cover (2) in direction of arrow.

Fig 2: Removing Radiator Cover

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If fitted, release drain connectors for coolant (1) on radiator at bottom. For radiators without coolant drain connector, unlock coolant hose and remove.

Drain, catch and dispose of coolant.

Installation note:

Replace sealing rings.

Tightening torque 17 11 2AZ .

Fig 3: Identifying Coolant Drain Plugs

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Unfasten and detach coolant hose (1) from thermostat housing.

Drain, catch and dispose of coolant.

Fig 4: Identifying Coolant Hose

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