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2.3L 12v - M20B23
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2.3L 12v - M20B23
6 Wossner forged piston kit for BMW M20B23: bore 80.5 mm, RV 11:1, axis 22 mm, CH 38 mm, dome +7.3 cc, rings included.
Reinforced Cometic head gasket, in MLS. Sold individually, one gasket per engine.Brand: CometicEngines: M20B20, M20B23Bore: 81 mmThicknesses: 0.69 to 3.56 mmReplaces: 11 12 1 722 728
Bearings Crankshaft single trimetal lug ACL Race BMW M20B20 M20B23 M20B25 M20B27:BMW 320i E21BMW 323i E21BMW 325 E30
Tri-metal main bearings ACL RACE / KING RACING for BMW M20B25, M50B20/B25, M52B25/B28, M54B25/B30, S50B30/B32, S54B32:BMW 325i E30 1983-1993 BMW 320i 323i 325i M3 E36 1991-2000 BMW 323i 325i 330i M3 E46 1998-2006 BMW 520i 525i E34 1988-1996 BMW 523i 525i 530i E39 1996-2004 BMW 525i 530i E60 2001-2010 BMW Z3 Z4 2.0 3.0 Z3M Z4M E36 E85 1999-2008
Set of 12 trimetal connecting rod half-bearings for BMW inline-six M20, M50, M52 and M54.Brands and treatments: ACL Race and King Racing (optional pMaxKote coating) Compatibility: E30, E34, E36, E39, E46, E60, Z3, Z4 Engine codes: M20, M50, M52, M54, S50B30US, S52B32US Available sizes: standard to +0.50 mm, increased-clearance versions (HX / STDX)
The BMW M20B23, the 2.3 12v straight six, is covered here on its rotating assembly.
These are the parts that decide how a built bottom end holds up: a forged piston takes the extra power and heat where the cast original gives way, and a tri-metal shell accepts higher loads and higher engine speeds than the standard bearing. Check the tang location on your main caps before ordering.
