17 22 010 Removing And Installing/Replacing Transmission Oil Cooler For Automatic Transmission (N57 D30 O/T 1)

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

Necessary preliminary tasks:

Drain COOLANT .
Remove INTAKE SILENCER HOUSING .

Recycling

Catch and dispose of drained coolant in a suitable container.

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.

Press in latch mechanism on intake silencer housing.

Release screw (2).

Feed out intake port towards top.

Fig 1: Pressing Latch Mechanism On Intake Silencer Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach coolant hose (1).

Fig 2: Coolant Hose

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NOTE: The transmission oil cooler is located in the oil filter housing.

Release screw (1).

Pull transmission oil lines off of transmission oil cooler and close with suitable plugs.

Installation note:

Replace sealing rings.

Unlock and detach coolant hose (2).

Fig 3: Screw, Coolant Hose And Transmission Oil Cooler

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts along line (3).

Tightening torque: 17 10 9AZ .

Remove transmission oil cooler (4).

Installation note:

Replace gaskets (1) on thermostat housing.

Fig 4: Gaskets On Thermostat Housing

Courtesy of BMW OF NORTH AMERICA, INC.

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