17 21 500 Rinsing the transmission oil cooler with lines (automatic transmission) (GA8HP45Z, GA8HP70Z, GA8HP90Z)

Special tools required: 

• 17 2 018
• 17 2 019

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 Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing device for transmissions GA8HP45Z, GA8HP70Z, GA8HP90Z 

Fig 2: Arrangement Of Flushing Apparatus For Transmissions (GA6HP19Z, GA6HP26Z, GA6HP32Z)

Courtesy of BMW OF NORTH AMERICA, INC.

1. Transmission oil cooler with lines
2. 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)

3. Oil drip tray

   17 2 018 Hose to oil drip tray (3)

4. Adapter with clamping bracket

   17 2 080 Adapter with clamping bracket GA8HP45Z /GA8HP70Z /GA8HP90Z