BMW 325i E30 170hp M20B25 1983-1993
Manufacturers
BMW 325i E30 170hp M20B25 1983-1993

Set of 6 forged 4340-steel connecting rods for BMW 6-cylinder, 135 mm c-to-c.Brands: ZRP Compatibility: 325i E30, 328i E36, 330i E46, M3 E36 US Engine codes: M20B25, M50B25 no VANOS, M52B28, M54B30, S50B30 US, S52B32 US Bolts: ARP 2000 or L19
Wiseco & Wiseco AP forged piston kit for BMW M20B25: bores 84-85 mm, RV 8.8 or 11.5-11.6:1, pin 22 mm, dome ⌀8.3 to +14.6 cc, rings included.
Wiseco AP Forged Pistons for M20 2.7L Stroker: Bore 84-85mm, RV 8.5 or 10:1, Pin 22mm, CH 31.2mm, Dome ⌀11.1/?1.6cc, Rings Included.
Kit of 12 ARP2000 rod bolts replacing the original bolts on the OEM rods of BMW inline-six M50 / M50TU and M20B25 engines.Brand: ARP Engines: M20B25, M50B20 / M50B20TU, M50B25 / M50B25TU Dimensions: M9 x 53 mm Grade: ARP2000
Kit of 14 ARP2000 cylinder head studs for BMW 325i, 325iX, 525i and Z1 (M20B25).Brand: ARP Engines: M20B25 Thread: M10 x 1.5 Grade: ARP2000
Reinforced Athena (O-Ring) and Cometic (MLS) head gaskets. Sold individually, one gasket per engine.Brands: Athena, CometicEngines: M20B25, M20B27Bore: 85 to 86.5 mmThicknesses: 0.69 to 3.56 mmReplaces: 11 12 1 722 734
Kit 6 reinforced exhaust valves SUPERTECH for BMW 2.5 12V M20B25 engine:BMW 325i E30 1983 - 1993BMW 525i E34 1988 - 1990References: BMEVN-1084, BMEVI-1085.
Kit 6 reinforced intake valves SUPERTECH for BMW 2.5 12V M20B25 engine:BMW 325i E30 1983 - 1993BMW 525i E34 1988 - 1990References: BMIVN-1084, BMIVN-1085.Intake valves only; the reinforced exhaust valves are listed separately.
Kit of 24 half-moon valve collets for SUPERTECH / FERREA valves, 7mm diameter:Number of grooves of your choiceReferences: KPR-VW7-T-24, KPR-VW7-S-24
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)
VIBRA-TECHNICS uprated engine mount and axle mount for BMW E30:BMW E30 Saloon, Coupé, Convertible, Touring 1983 - 1993, M20 engineBMW M3 E30 Coupé, Convertible 1986 - 1992, S14 engine
KENT CAMS vernier cam pulley for BMW M20B25 2.5 12V engine:BMW 325 i E30 1983 - 1993 BMW 525 i E34 1988 - 1990
Vernier cam pulleys CATCAMS / KENT CAMS for the BMW 2.5 12V M20B25 engine:BMW 325 i E30 1983 - 1993 BMW 525 i E34 1988 - 1990
This page brings together the uprated engine parts available for the M20B25 six-cylinder of the BMW 325i E30, built from 1983 to 1993.
WISECO forged pistons are offered in 84mm and 85mm bores with a 22mm gudgeon pin, in naturally aspirated form and in the version intended for the longer M20B27 crankshaft. ZRP forged connecting rods are machined from 4340 steel with a 135mm centre-to-centre length. The page also carries SUPERTECH intake and exhaust valve sets of six, SUPERTECH 7mm collets, ARP head studs and con rod bolts, ATHENA and COMETIC head gaskets, ACL and KING RACING tri-metal bearings, VIBRA-TECHNICS mounts and KENT CAMS and CATCAMS vernier cam pulleys.