17 22 010 Removing and installing/replacing transmission oil cooler for automatic transmission (N63 B40/B44 O 0/1, N74)

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IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.

Necessary preliminary tasks

Drain COOLANT .
Remove FAN COWL .

Recycling

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: Only when replacing transmission oil cooler (3), remount THERMOSTAT INSERTS (4).

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

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine.
Check oil level . See 00 11 500 CHECKING/TOPPING UP OIL LEVEL IN AUTOMATIC TRANSMISSION (GA6HP26Z/GA6HP32Z) or 00 11 500 CHECKING/TOPPING UP OIL LEVEL IN AUTOMATIC TRANSMISSION (GA8HP45Z, GA8HP70Z, GA8HP90Z) in automatic transmission. If necessary, top up automatic transmission oil.