bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

3 RA Checking Cooling System For Leaks (M54, N46, N47, N52) > < 2 RA Draining And Adding Coolant (M54, N46)|Page 639
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Before filling:

Switch ignition on.

Set heater control to maximum temperature.

Set fan to low setting. This opens the heating valves.

Perform filling operation slowly.

Close vent screw when bubble-free coolant emerges Fill coolant
expansion tank to max. cold fill level. Marking (2) is then on a
level with upper edge of coolant expansion tank.

Note:

Use only recommended coolant.

Vent cooling system and check for leaks.

RA  Draining and adding coolant (M54, N46)

BMW AG - TIS

15.02.2013  13:06

Issue status (12/2007) Valid only until next DVD is issued

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3 RA Checking Cooling System For Leaks (M54, N46, N47, N52) > < 2 RA Draining And Adding Coolant (M54, N46)|Page 639