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

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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 litre of transmission fluid (refer to BMW Service Operating Fluids) through oil lines and transmission oil cooler. See AUTOMATIC TRANSMISSION -- OPERATING FLUIDS .

Reposition quick-release couplings.

Flush oil lines/transmission oil cooler in opposite direction with approx. 1 litre of transmission fluid (refer to BMW Service Operating Fluids). See AUTOMATIC TRANSMISSION -- OPERATING FLUIDS .

Disconnect quick-release couplings.

Remove adapter.