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2.5L 12v - M20B25
Manufacturers
2.5L 12v - M20B25
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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.
Specifications of the forged pistons offered by NSB Concept for BMW 2.5 L 12 V M20B25 :
| Reference | OEM Bore 84,00 mm | OEM CR 8,8 :1 | OEM Pin 22 mm | Height OEM Pin 34,0 mm | Range | Coating | Aluminium | Forging | Dome | Weight | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WKE329M84 | 84 | 11.5:1 | 22 | 34.2 | Wiseco | Skirt | NC | NC | 5.6 | NC | 8400XX |
| WKE319M84 | 84 | 11.5:1 | 22 | 34.7 | Wiseco | Skirt | NC | NC | 6.2 | NC | 8400XX |
| WKE328M84 | 84 | 8.8:1 | 22 | 34.6 | Wiseco | Skirt | NC | NC | -8.3 | NC | 8400XX |
| WKE317M84AP | 84 | 8.8:1 | 22 | 34.2 | Wiseco AP | Skirt | NC | NC | -6.8 | NC | 8400XX |
| WKE319M8425 | 84.25 | 11.5:1 | 22 | 34.7 | Wiseco | Skirt | NC | NC | 6.2 | NC | 8425XX |
| WKE317M8425AP | 84.25 | 8.8:1 | 22 | 34.2 | Wiseco AP | Skirt | NC | NC | -6.8 | NC | 8425XX |
| WKE329M845 | 84.5 | 11.5:1 | 22 | 34.2 | Wiseco | Skirt | NC | NC | 5.6 | NC | 8450XX |
| WKE319M845 | 84.5 | 11.5:1 | 22 | 34.7 | Wiseco | Skirt | NC | NC | 6.2 | NC | 8450XX |
| K1294D050 | 84.5 | 14.6:1 | 22 | 34.6 | Wossner | NC | NC | Round | 14.6 | NC | NC |
| WKE328M845 | 84.5 | 8.8:1 | 22 | 34.6 | Wiseco | Skirt | NC | NC | -8.0 | NC | 8450XX |
| WKE317M845AP | 84.5 | 8.8:1 | 22 | 34.2 | Wiseco AP | Skirt | NC | NC | -6.8 | NC | 8450XX |
| WKE329M85 | 85 | 11.5:1 | 22 | 34.2 | Wiseco | Skirt | NC | NC | 5.6 | NC | 8500XX |
| WKE319M85 | 85 | 11.5:1 | 22 | 34.7 | Wiseco | Skirt | NC | NC | 6.2 | NC | 8500XX |
| WKE328M85 | 85 | 8.8:1 | 22 | 34.6 | Wiseco | Skirt | NC | NC | -8.0 | NC | 8500XX |
| WKE317M85AP | 85 | 8.8:1 | 22 | 34.2 | Wiseco AP | Skirt | NC | NC | -6.8 | NC | 8500XX |
Compatibility engines :
M20B25 (2.5 L 12 V BMW)
| Brand | Model | Engine code | Power | Years |
|---|---|---|---|---|
| BMW | 3 Series E30 325i | M20B25 | 170 hp | 1986 – 1993 |
| BMW | 5 Series E34 525i | M20B25 | 170 hp | 1988 – 1990 |
| BMW | Z1 Roadster | M20B25 | 170 hp | 1988 – 1991 |
Manufacturer piston references
Manufacturer piston references (OEM):
