17 00 005 Draining and Adding Coolant (N73)

WARNING: This page is about a different car, the 2008 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Danger of scalding!

Only carry out work on the cooling system after the engine has cooled down!

Recycling

Catch and dispose of drained coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Use only recommended coolant.
Remove reinforcement plate. See 31 10 010 REMOVING AND INSTALLING/REPLACING REINFORCEMENT PLATE .
Remove engine splash guard.

Open cap (1) on coolant expansion tank.

Fig 1: Identifying Open Cap On Coolant Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.

Open screw (1).

Drain, catch and dispose of coolant.

Recycling:

Observe waste-disposal regulations.

Fig 2: Drain, Catch & Dispose Of Coolant

Courtesy of BMW OF NORTH AMERICA, INC.

Open drain plug (1) on engine block.

Drain, catch and dispose of coolant.

Installation:

Replace sealing ring.

Tightening torque, 11 11 5AZ. See 11 11 ENGINE BLOCK

Recycling:

Observe waste-disposal regulations.

Fig 3: Identifying Open Drain Plug On Engine Block

Courtesy of BMW OF NORTH AMERICA, INC.

Adding coolant:

Vent cooling system and check for leaks. See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N73)