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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2704 (Cooling System - Repair - N51- E90) >> 1700 Coolant, Checking Cooling System >> 1700039 Venting cooling system and checking for water leaks (N52/N52K/N51/N53) >> Only when venting!

Only when venting!

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Perform filling operation slowly.

Fill coolant expansion tank with 100 ml above max.

100 ml corresponds to A=6 mm.

Fig 1: Identifying Coolant Expansion Tank Dimension
G04725840Courtesy of BMW OF NORTH AMERICA, INC.

Close coolant expansion tank.

Installation: 

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

Fig 2: Locating Cap Of Coolant Expansion Tank
G04725828Courtesy of BMW OF NORTH AMERICA, INC.