17 21 500 Rinse transmission oil cooler with lines (automatic transmission) (GA8HP45Z, GA8HP50Z, GA8HP70Z, GA8HP75Z, GA8HP90Z)

WARNING: This page is about a different car, the 2018 BMW 340i, 2017 BMW 340i, and 2016 BMW 340i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 2 018
17 2 019

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 approved 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 approved 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).

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.