This oil gauge and dipstick is designed for measuring the oil levels on different Audi engines fitted with electronic oil level systems. The tool checks the oil levels on Audi 2.0 TFSI, 3.2 FSI, 3.0 Supercharged, 4.3 FSI and 2.0 TDI CR. Oil gauge and dipstick.Specifically for Audi engines fitted with electronic oil level systems.The tool checks the oil levels on Audi 2.0 TFSI, 3.2 FSI, 3.0 Supercharged, 4.3 FSI and 2.0 TDI CR. OEM T40178.Can also be used to assist the calibration of the driver’s instrument panel.