For Bmw N4o, N42, N45, N45t, N46, N46t, N52, N53, N54. Fit forFor BMW N4O, N42, N45, N45T, N46, N46T, N52, N53, N54. Crankshaft Front Oil Seal Disassembly Bmw Timing Tool N40 42 N45 N46 N52 N53 N54. Crankshaft Front Oil Seal Disassembler Installation Kit· Special Designed to Install and Remove the Front Oil Seal of Crankshaft.