2.5L 24v - M52B25 (1 VANOS)
Manufacturers
2.5L 24v - M52B25 (1 VANOS)

kit 24 mechanical tappets and 24 CATCAMS pellets for BMW 2.5/2.8 24V M52 single vanos engine (intake):BMW 323 i / 328 i E36 1991 - 2000 BMW 523 i / 528 i E39 1995 - 1998 BMW Z3 2.8 i E36 1997 - 1998CATCAMS references: CC002
CATCAMS sport camshafts for the BMW 2.5/2.8 24V M52 single VANOS engine (intake):BMW 323i / 328i E36 1991 - 2000 BMW 523i / 528i E39 1995 - 1998 BMW Z3 2.8i E36 1997 - 1998CATCAMS references: 1304211, 1304212, 1304213, 1304214, 1304215, 1304259, 1304260, 1304261
Set of 6 forged 4340-steel connecting rods for BMW 6-cylinder 24V, 140 mm c-to-c.Brands: ZRP Compatibility: 320i E36, 325i E36, 525i E34, 523i E39, 325i E46 Engine codes: M50B20, M50B25TU, M52B25, M54B25 Bolts: ARP 2000 or ARP L19
Wiseco forged piston kit for BMW M52B25: bores 84.0 - 85.0 mm, RV 8.8:1 (ideal turbo or ethanol), gudgeon pin Ø 22 mm, CH 32.7 mm, dome -5 cc, piston rings included.
Adapter for fitting an oil cooler to BMW M52 and M54 engines. Screws in place of the oil filter housing plug. M22x1.50 inlet and outlet. Reference OCTBMW1.Clearance item: no returns accepted.
Kit of 14 ARP 8740 crankshaft main studs for BMW M50 and M52 engines.Brand: ARP Engines: M50B20/TU, M50B25/TU, M52B25, M52B28, S50B30US, S52B32US Thread: M10 x 1.5 Grade: 8740 steel
Reinforced Athena and Cometic head gasket, in O-Ring, MLS and MLX. Sold individually.Brands: Athena, Cometic Engines: M50B25, M50B25TU, M52B25, M52B28 excluding TU Bores: 84.5 to 87.5 mm Thicknesses: 0.69 to 3.61 mm Replaces: 11 12 1 726 619
Set of 12 reinforced exhaust valves for BMW M50 VANOS, M52 and M54.Brands: SUPERTECH, FERREA Engines: M50B25TU, M52, M54, S50B30US, S52B32US Dimensions: 30.5 mm or 31.5 mm head, 6 mm stem Material: stainless steel or Inconel, 1 or 3 grooves
Set of 12 reinforced intake valves for BMW M50 VANOS, M52 and M54.Brands: SUPERTECH, FERREA Engines: M50B25TU, M52, M54, S50B30US, S52B32US Dimensions: 33 mm or 34 mm head, 6 mm stem Material: stainless steel, 1 or 3 grooves
Kit of 24 reinforced valve springs for BMW M50 VANOS, M52 and M54.Brands: CATCAMS, SUPERTECH, FERREA Engines: M50TU, M52, M54, S50B30US, S52B32US Springs: single or dual Contents: springs, upper retainers, lower spring seats depending on kit
Kit of 24 valve guides for BMW M50 VANOS, M52 and M54.Brand: SUPERTECH Engines: M50TU, M52, M54, S50B30US, S52B32US Material: manganese bronze, intake and exhaust Dimensions: OD 12.6 mm, ID 6.0 mm, length 43.3 mm
Set of 12 exhaust valve stem seals for BMW 24V six-cylinders.Brand: SUPERTECH Engines: M50TU, M52, M52TU, M54, S50B32, S54B32, S50B30US, S52B32US Material: Viton (FKM)
Set of 12 intake valve stem seals for BMW 24V six-cylinders and VAG 1.8T 20V.Brand: SUPERTECH BMW engines: M50TU, M52, M52TU, M54, S50B32, S54B32, S50B30US, S52B32US VAG engines: 1.8T 20V Material: Polyacrylate (ACM)
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 M52B25 is the 2.5 litre 24-valve that follows the M50, with a single VANOS unit on the intake camshaft. It is fitted to the 323i E36, the 523i E39 and the Z3. This category gathers the parts available for that single VANOS variant.
CATCAMS Sport camshafts and mechanical cam followers listed for the single VANOS M52, forged pistons specific to the M52B25, forged connecting rods on a 140 mm centre to centre length, tri-metal big end and main bearings. On the head: performance valves, uprated springs, SUPERTECH valve guides, stem seals and an uprated head gasket. ARP main studs and an M22x1.50 oil cooler adapter.