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King BMW M20B20-23-25-27 / M50B25 / M52B20-25-28 (Size 0.5) Main Bearing Set

Upgrade your BMW's engine with the King Main Bearing Set, designed for M20B20-23-25-27, M50B25, and M52B20-25-28 engines. This bimetal main bearing set features an aluminum base and a 360-degree oil groove for optimal performance.

  • Bimetal design with aluminum base for added strength and durability
  • 360-degree oil groove for improved lubrication and reduced wear
  • Designed for BMW M20B20-23-25-27, M50B25, and M52B20-25-28 engines

Trust King Engine Bearings for high-quality engine components that meet the demands of performance driving.

Make Model Year Type
BMW 323Ci 2000 Base
BMW 323i 1998 Base
BMW 323i 1999 Base
BMW 323i 2000 Base
BMW 323is 1998 Base
BMW 323is 1999 Base
BMW 325 1986 Base
BMW 325 1987 Base
BMW 325 1988 Base
BMW 325e 1984 Base
BMW 325e 1985 Base
BMW 325e 1986 Base
BMW 325e 1987 Base
BMW 325es 1986 Base
BMW 325es 1987 Base
BMW 325i 1987 Base
BMW 325i 1988 Base
BMW 325i 1989 Base
BMW 325i 1990 Base
BMW 325i 1991 Base
BMW 325i 1992 Base
BMW 325i 1993 Base
BMW 325i 1994 Base
BMW 325i 1995 Base
BMW 325is 1987 Base
BMW 325is 1988 Base
BMW 325is 1989 Base
BMW 325is 1990 Base
BMW 325is 1991 Base
BMW 325is 1992 Base
BMW 325is 1993 Base
BMW 325is 1994 Base
BMW 325is 1995 Base
BMW 325iX 1988 Base
BMW 325iX 1989 Base
BMW 325iX 1990 Base
BMW 325iX 1991 Base
BMW 328Ci 2000 Base
BMW 328i 1996 Base
BMW 328i 1997 Base
BMW 328i 1998 Base
BMW 328i 1999 Base
BMW 328i 2000 Base
BMW 328is 1996 Base
BMW 328is 1997 Base
BMW 328is 1998 Base
BMW 328is 1999 Base
BMW 525i 1989 Base
BMW 525i 1990 Base
BMW 525i 1991 Base
BMW 525i 1992 Base
BMW 525i 1993 Base
BMW 525i 1994 Base
BMW 525i 1995 Base
BMW 525iT 1993 Base
BMW 528e 1982 Base
BMW 528e 1983 Base
BMW 528e 1984 Base
BMW 528e 1985 Base
BMW 528e 1986 Base
BMW 528e 1987 Base
BMW 528e 1988 Base
BMW 528i 1997 Base
BMW 528i 1998 Base
BMW 528i 1999 Base
BMW 528i 2000 Base
BMW X3 2007 3.0si
BMW X3 2008 3.0si
BMW X3 2009 xDrive30i
BMW X3 2010 xDrive30i
BMW Z3 1997 Roadster
BMW Z3 1998 M Roadster
BMW Z3 1998 Roadster
BMW Z3 1999 Coupe
BMW Z3 1999 M Coupe
BMW Z3 1999 M Roadster
BMW Z3 1999 Roadster
BMW Z3 2000 Coupe
BMW Z3 2000 M Coupe
BMW Z3 2000 M Roadster
BMW Z3 2000 Roadster
BMW Z4 2007 Coupe 3.0si
BMW Z4 2007 M Coupe
BMW Z4 2007 M Roadster
BMW Z4 2007 Roadster 3.0i
BMW Z4 2007 Roadster 3.0si
BMW Z4 2008 Coupe 3.0si
BMW Z4 2008 M Coupe
BMW Z4 2008 M Roadster
BMW Z4 2008 Roadster 3.0i
BMW Z4 2008 Roadster 3.0si
BMW Z4 2009 sDrive30i
BMW Z4 2009 sDrive35i
BMW Z4 2010 sDrive30i
BMW Z4 2010 sDrive35i
King manufactures engine bearings for the OE, aftermarket, and racing markets. Their racing bearings are available in bi-metal or tri-metal designs and have many applications for both domestic and sport compact vehicles. King’s race bearings feature many unique features that set them apart from the competition, such as Bull’s Eye Tolerance™, U-Groove™, ElliptiX™, RadiaLock™, EccentriX™, pMax Black™, and Alecular™ metal structure.
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