17 00 005 Draining and topping up coolant (M62, M54 and M57)

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Danger of scalding! Only perform these tasks on an engine that has cooled down.

Recycling:

Catch and dispose of drained coolant. Observe country-specific waste-disposal regulations.

Draining Coolant:

Integrated Coolant Expansion Tank (M54/M57):

Open cap (1) on coolant expansion tank.

Slacken vent plug on coolant expansion tank.

Fig 1: Opening Cap On Coolant Expansion Tank

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M62, M54 And M57:

Remove reinforcement plate.

CAUTION: The article FRONT AXLE SUPPORT contains important installation instructions.

Release screws.

Remove underbody paneling (1).

Fig 2: Removing Underbody Paneling

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M54 And M57:

Open drain plug (1) at bottom of radiator.

Manual Transmissions Only:

Open drain plug (2) on coolant expansion tank.

Tightening torque, (8 N.m).

Fig 3: Locating Drain Plug On Radiator (M54 And M57)

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Open drain plug on right of engine block.

Drain, catch and dispose of coolant.

Installation:

Replace seal.

Tightening torque, (25 N.m).

Fig 4: Locating Drain Plug On Right Of Engine Block

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Adding Coolant:

NOTE: The tank mark indicates the fluid level at approx. 20° C.

Use only recommended coolant. Refer to BMW SERVICE OPERATING FLUIDS .

Turn on ignition.
Set heating controller to maximum temperature
Set fan to low setting. This opens the heating valves and starts the auxiliary water pump.
Perform filling operation slowly.
Pour coolant into coolant expansion tank up to max. cold fill level.
Close vent plug when bubble-free coolant emerges
Close coolant expansion tank.

Vent cooling system and check for leaks.