Removing transmission oil cooler

• Unlock and loosen coolant line (1)  .
• Catch and dispose of escaping coolant.
• Unlock and loosen coolant line (2)  .
• Catch and dispose of escaping coolant.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock the locks (1)  on the transmission oil lines (2)  in the arrow direction.
• Disconnect the transmission oil lines (2)  .
• Collect and dispose of emerging fluids.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen clamp (1)  .
• Loosen screws (2)  .
• Loosen screw (3)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Release the screw (2)  .
• Guide out and remove the transmission oil cooler (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
• Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
• Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .