17 00 005 Draining and adding coolant (N52, N52K, N51, N53)

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Special tools required:

00 2 030

See MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS .

WARNING: Danger of scalding!
These tasks on the cooling system should only be carried out on an engine that has cooled down!

IMPORTANT: Lifetime coolant filling:
If removing radiator, oil-coolant heat exchanger or transmission oil cooler, do not reuse drained coolant!

Installation:

Use only recommended coolant.

Observe mixture ratio (antifreeze/water).

Protective measures/rules of conduct:

Wear protective goggles
Wear protective gloves
Observe national/country-specific regulations

IMPORTANT: Risk of slipping due to coolant on the floor.
Danger of injury!

Catch and dispose of drained coolant in drip tray (1) and if necessary special tool 00 2 030 (universal hydraulic lifter).

Recycling:

Observe country-specific waste-disposal regulations.

Fig 1: Identifying Tray And Special Tool 00 2 030

G05476170

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks:

Follow instructions for working on cooling system
Remove front underbody protection . See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION (CONVERTIBLE) or 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION (COUPE) .

Draining coolant:

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

Installation:

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

Fig 2: Identifying Cap On Coolant Expansion Tank

G04725828

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Identifying Lugs And Radiator Cover

G04725829

Courtesy of BMW OF NORTH AMERICA, INC.

If fitted, release drain plugs (1) on radiator at bottom. On coolant radiators which do not have a drain plug, remove coolant hose.

Drain, catch and dispose of coolant.

Installation:

Replace sealing rings.

Tightening torque, see 17 11 2AZ in ENGINE RADIATOR ..

Fig 4: Identifying Drain Plugs

G04725830

Courtesy of BMW OF NORTH AMERICA, INC.

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

Drain, catch and dispose of coolant.

Fig 5: Identifying Coolant Hose

G04725831

Courtesy of BMW OF NORTH AMERICA, INC.

Adding coolant:

Use only recommended coolant.

Observe mixture ratio.

Observe filling capacities.

Installation:

Observe venting instructions without fail.

Fill and vent cooling system.

Check cooling system for leaks.