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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1429 (Cooling System - Repair (N55, 2013-)) >> Transmission Oil Cooler And Lines >> 17 21 010 Removing and installing/replacing transmission oil cooler for automatic transmission (N55)

17 21 010 Removing and installing/replacing transmission oil cooler for automatic transmission (N55)

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

Necessary preliminary tasks: 

Recycling 

Transmission oil emerges when fluid 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 screws (1) on left and right from cover (3).

Tightening torque 17 10 1AZ .

Release screws (2) behind sealing lip.

Tightening torque 17 10 1AZ .

Lift out cover (3).

Fig 1: Identifying Cover And Screws
G06889272Courtesy of BMW OF NORTH AMERICA, INC.

Unlock transmission oil lines (1) and detach.

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

Fig 2: Identifying Transmission Oil Lines
G09876494Courtesy of BMW OF NORTH AMERICA, INC.

Remove transmission oil cooler (1), feed out towards top and remove.

Fig 3: Identifying Transmission Oil Cooler
G09876495Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Assemble engine.
Check OIL LEVEL in automatic transmission. If necessary, top up automatic transmission oil.