1722010 Removing and installing/replacing gearbox oil cooler for automatic transmission (N63, N74): Recycling

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Catch and dispose of drained coolant in a suitable container.

Transmission oil emerges when engine oil lines are detached from transmission oil cooler.

Catch and dispose of escaping transmission oil in a suitable container.

Observe country-specific waste disposal regulations.

Release and disconnect coolant hoses (1).

Unlock transmission oil lines (2) and detach.

Remove transmission oil cooler (3).

NOTE: When replacing transmission oil cooler (3), modify THERMOSTAT INSERT (4).

Fig 1: Identifying Transmission Oil Cooler, Coolant Hoses, Transmission Oil Lines And Thermostat Insert

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine.
Check OIL LEVEL in automatic transmission. If necessary, top up automatic transmission fluid.