Stock replacement hydraulic valve lifter for the M52, M54 and S50 S52 engines. These lifter buckets can last 150,000+ miles but then they no longer fit on the valve stem correctly and a ticking or knocking noise can result. If the lifter is no longer seated correctly, it can lead to the valve not opening correctly. Replacement is straight-forward but requires special tools for working with the camshafts. This item fits the following BMWs: 1995-1998 E36 BMW 323is 323ic 328i 328is 328ic M3 1997-2003 E39 BMW 525i 528i 530i M5 1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi 2004-2005 E60 BMW 525i 530i 2004-2005 E83 BMW X3 2.5i X3 3.0i 2000-2006 E53 BMW X5 3.0i 1996-2002 E36/7 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 1998-2000 E36/7 BMW M Roadster M Coupe
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