AUDI ENGINE OIL LEVEL GAUGE A4, A5 and A6 with Engine 2.0L TFSI, 3.2 & 4.2L FSI The tool is designed for measuring the oil level of engine. Applicable: 2009 AUDI A4, A5 and A6 with Engine 2.0L TFSI,3.2 FSI and 4.2L FSI