17..... Venting cooling system for charge air cooler (N74): Recycling

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Observe country-specific waste disposal regulations.

Fig 1: Identifying Drip Tray And Special Tool (00 2 030)

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: The following bleeding procedure is necessary when a part is replaced in the cooling system or when the cooling system is refilled.

Top up coolant .

Coolant is added at charge air cooler expansion tank.

Use only approved COOLANT .

Observe mixture ratio: 50% antifreeze and 50% water. In severely cold areas, the antifreeze can be increased to 60% which provides freezing protection down to-62°F (-52°C). Do not exceed a 60% ratio of antifreeze.

Fig 2: Locating Max Level Mark On Charge Air Cooler Expansion Tank

Courtesy of BMW OF NORTH AMERICA, INC.