1721500 Flushing transmission oil cooler with lines (automatic transmission): Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Automatic transmission removed.

Connect appropriate adapters (see description below) to oil lines exiting from automatic transmission.

Connect connecting line 17 2 019 from the oil collection unit with the quick-release coupling.

Connect drain line 17 2 018 using quick-release coupling.

Hold and direct open end of drain line into a suitable drip tray.

Using oil collection unit, flush approx. 1 liter of transmission fluid (refer to OPERATING FLUIDS ) through oil lines and transmission oil cooler.

Reposition quick-release couplings.

Flush oil lines/transmission oil cooler in opposite direction with approx. 1 liter of transmission fluid (refer to OPERATING FLUIDS ).

Disconnect quick-release couplings.

Remove adapter.

NOTE: Dispose of flushing oil correctly.
Do not reuse under any circumstances.

Arrangement, flushing apparatus for transmissions A5S 310Z, A5S 560Z, A5S 360R/390R, A4S 200R, A5S 325Z

Fig 1: Identifying Flushing Apparatus For Transmissions A5S 310Z

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmission A4S 310R

Fig 2: Identifying Flushing Apparatus For Transmissions A4S 310R

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmission A4S 300J

Fig 3: Identifying Flushing Apparatus For Transmissions A4S 300J

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmission A5S 440Z

Fig 4: Identifying Flushing Apparatus For Transmissions A5S 440Z

Courtesy of BMW OF NORTH AMERICA, INC.