This K Tool International oil filter wrench is designed for 86mm diameter oil filters with 16 fluets. It is used with a 3/8" square drive. It's intended for use on BMW 3, 5, 6 series with N40, N45, and N46 engines; BMW 4 cylinder engines since 2001; BMW plastic filter holder with a rechargeable paper oil filter (316, 318iAB, 01, etc.); also most all newer Volvo models. Order now and make your next oil change a breeze!