Upgrade Transmission Oil Cooler Kit For performance upgrades that go far beyond chip tuning, where high torques are also driven, our upgrade DSG oil cooler kit is a must. This oil cooler is an important addition to the DSG gearboxes when being used in high temperature climates and continuous long journeys. This kit will fit VW T5/T6 2.0 TDI with DSG 7-speed gearbox (0BT/0BH) Does not come with installation instructions.