17 21 500 Rinsing transmission oil cooler and lines

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Special tools required:

NOTE: Carry out the operations listed when:
Install a new or exchange transmission.

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 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 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 .

Disconnect quick-release couplings.

Remove adapter.

Recycling:

Never use flushing oil.

Dispose of flushing oil according to country-specific waste disposal regulations.

Press hydraulic lines (1) into adapters (2).

Slide clamping bracket (3) into guides and secure with screw (4).

Fig 1: Identifying Hydraulic Lines, Adapters, Clamping Bar And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing device for transmission GA8HP45Z, GA8HP50, GA8HP70Z, GA8HP75Z, GA8HP90Z

Transmission oil cooler with lines
Oil dispenser unit
17 2 015 Connection for oil dispenser unit (2), manufacturer: Deutsche Tecalemit or

17 2 016 Connection for oil dispenser unit (2), manufacturer: Horn

17 2 017 Quick-release coupling (2 pieces)

17 2 019 Hose to oil dispenser unit (2)
Oil drip tray
17 2 018 Hose to oil drip tray (3)
Adapter with clamping bracket
17 2 080 Adapter with clamping bracket GA8HP45Z/GA8HP70Z/GA8HP90Z

Fig 2: Identifying Transmission Flushing Device Arrangement (GA8HP45Z, GA8HP50, GA8HP70Z, GA8HP75Z, GA8HP90Z)

Courtesy of BMW OF NORTH AMERICA, INC.