17 21 500 Flushing transmission oil cooler with lines (automatic transmission)

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Special tools required:

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

Procedure

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 litre of transmission fluid (refer to AUTOMATIC TRANSMISSION -- 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 litre of transmission fluid (refer to AUTOMATIC TRANSMISSION -- 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: Layout Of Flushing Apparatus For Transmissions (A5S 310Z, A5S 560Z, A5S 360R/390R, A4S 200R, A5S 325Z)

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmission A4S 310R

Fig 2: Layout Of Flushing Apparatus For Transmission (A4S 310R)

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmission A4S 300J

Fig 3: Layout Of Flushing Apparatus For Transmission (A4S 300J)

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmission A5S 440Z

Fig 4: Layout Of Flushing Apparatus For Transmission (A5S 440Z)

Courtesy of BMW OF NORTH AMERICA, INC.