17 21 500 Flushing Transmission Oil Cooler And Lines (Automatic Transmission)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

NOTE: Carry out the work steps listed when:
Installing a new or exchange transmission.
Flushing can only be carried out when the automatic transmission is removed.

Procedure:

Automatic transmission removed.

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

Use quick-release coupling to connecting line 17 2 019 from oil dispenser unit.

Use quick-release coupling to connect drain line 17 2 018 .

Hold and direct open end of drain line into a suitable collecting vessel.

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

Reposition quick-release coupling.

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

Disconnect quick-release coupling.

Remove adapter.

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

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

Fig 1: Exploded View Of Flushing Device For Transmissions A5S 310Z, A5S 560Z, A5S 360R/390R, A4S 200R, A5S 325Z

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing device for transmission A4S 310R

Fig 2: Exploded View Of Flushing Device For Transmission A4S 310R

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing device for transmission A4S 300J

Fig 3: Exploded View Of Flushing Device For Transmission A4S 300J

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing device for transmission A5S 440J

Fig 4: Exploded View Of Flushing Device For Transmission A5S 440J

Courtesy of BMW OF NORTH AMERICA, INC.