EWK Oil Dipstick Tool for 2009 Porsche VW Audi A4 A5 A6 AU40178 Specially designed This Oil Gauge And Dipstick Is Designed For Measuring The Oil Levels On Different Audi Engines Fitted With Electronic Oil Level Systems. Useful Tool For Audi & VW The Dipstick Is A Convenient And Accurate Tool For Measuring You Engine Fluid Level. Dedicated For Audi Engines Equipped With Oil Level Systems. The Engine Oil Should Be At Proper Level Too Low Engine Oil Level Can Cause The Cooling Effect To Decrease And The Fluid To Deteriorate Fast While Too High Level Cuts Down The Engine Power And Fuel Economy. Keep Your Vehicle In Best Condition Check The Engine Oil With A Dipstick Regularly To Maintain Optimum Lubrication And Cooling. Especially For Old Cars Whose Deposits Fasten The Consumption Of Engine Oil. ApplicationEngine Oil Dipstick Applicable To: 2009 And Newer Audi A4, A5 And A6 With A 2.0L Tfsi, 3.2L Fsi, 4.2L Fsi And 2010 S4 3.0L Supercharged Engine. Applicable Engine : CAEB, CAED, CDHA, CDHB, CDNB, CDNC, CFKA, CYNB, CPMA, CPMB, CEUA, CNRB. Comparable To T40178. The Tool Is For Periodic Checking Only. Do Not Leave It In The Engine.