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BMW 523i E39 170hp M52B25 (single VANOS) 1995-1998
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BMW 523i E39 170hp M52B25 (single VANOS) 1995-1998
Kit of 24 mechanical tappets for BMW M52 with inlet VANOS and M54B30.Brand: CATCAMS Engines: M52B20, M52B25, M52B28, M54B30 Dimensions: outer Ø 33 mm, height 27.0 mm Lash caps: TS102 (M52) or TS101 (M54B30), sold separately
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 inlet 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 double 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, inlet 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 inlet valve stem seals for BMW 24V six-cylinders.Brand: SUPERTECH BMW engines: M50TU, M52, M52TU, M54, S50B32, S54B32, S50B30US, S52B32US Material: Polyacrylate (ACM)
Set of 14 tri-metal crankshaft main bearing half shells for BMW inline-six M20, M50, M52, M54, S50 and S54 engines.Brands and treatments: ACL Race and King Racing (pMaxKote coating option) Fitments: E30, E34, E36, E39, E46, E60, Z3, Z4 Engine codes: M20, M50, M52, M54, S50, S52, S54 Available sizes: standard to +0.50 mm, increased clearance versions (HX...
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)
kit of 48 half-moon/valve keys for SUPERTECH 6mm diameter: Number of grooves of your choice
Performance engine parts for the BMW 523i E39 2.5 24V M52B25, single VANOS, built from 1995 to 1998.
This is the only Series 5 E39 page carrying the 2.5 rotating assembly: WISECO forged pistons from 84.0 to 85.0mm at an 8.8:1 compression ratio with a 22mm gudgeon pin, and ZRP forged connecting rods with an I-beam and a 140mm centre to centre length, with ARP 2000 or L19 hardware. It is also the only one with ARP main studs, fourteen pieces in 8740 steel. The single VANOS head brings together CATCAMS Sport camshafts and cam followers, SUPERTECH and FERREA valves, SUPERTECH guides, valve stem seals and collets in 6mm, and an ATHENA O-ring or COMETIC MLS head gasket.
