This adapter is suitable for BMW models equipped with a ZF 5HP or GM A5S 5-speed automatic transmission. The adapter also fits some BMW models equipped with a ZF 4HP or GM A4S 4-speed automatic transmission.
QCS-50001: Remove the hose from the heat exchanger at the front bottom left. Use the special tool QCS-50002 to unlock the hose locking device (grey clip). Then connect the two-part adapter to the removed hose and to the heat exchanger (secure with the supplied spring).