Wiseco BMW M50B25 2.5L Turbo 84.50mm Bore 8.8:1 CR Piston Kit

SKU: WISKE115M845
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wiseco

Wiseco engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wiseco lineup with fast shipping and expert fitment support — order with confidence.

Wiseco Forged Piston Kit for BMW M50B25 (2.5L 24V Turbo)

Unleash the potential of your BMW M50B25 engine with this high-performance forged piston kit from Wiseco. Engineered and machined in the USA from premium 2618 aluminum, these pistons are built to withstand the rigors of turbocharged applications and severe duty use.

Performance-Driven Features:

  • Robust Construction: Forged from 2618 aluminum alloy for exceptional tensile strength and durability under high boost conditions.
  • ArmorGlide™ Skirt Coating: Significantly reduces friction, minimizes skirt-to-wall contact, and ensures quieter operation.
  • Precision Machined Crown: Features a fully machined crown designed for optimal combustion efficiency and performance gains.
  • Enhanced Ring Seal: Includes precision ring grooves, anti-detonation features, and improved ring sealing for maximum compression and reliability.
  • Optimized for Turbocharging: With a 84.50mm bore and a 8.8:1 compression ratio (achieved with the -0.50 overbore), this kit is ideal for turbocharged M50B25 builds.
  • Reliable Lubrication: Forced pin oiling system provides consistent lubrication to the piston pin for extended component life.

This Wiseco piston kit is designed to fit various BMW models including the 325is (1992) and 525i/525iT (1991-1995). Whether you're building a track monster or a powerful street machine, these pistons offer the strength and performance you need. Enhance your BMW's power and reliability with Wiseco components, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1992 BMW 325is Base
1991-1995 BMW 525i Base
1993 BMW 525iT Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wiseco

Wiseco engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wiseco lineup with fast shipping and expert fitment support — order with confidence.

Wiseco Forged Piston Kit for BMW M50B25 (2.5L 24V Turbo)

Unleash the potential of your BMW M50B25 engine with this high-performance forged piston kit from Wiseco. Engineered and machined in the USA from premium 2618 aluminum, these pistons are built to withstand the rigors of turbocharged applications and severe duty use.

Performance-Driven Features:

  • Robust Construction: Forged from 2618 aluminum alloy for exceptional tensile strength and durability under high boost conditions.
  • ArmorGlide™ Skirt Coating: Significantly reduces friction, minimizes skirt-to-wall contact, and ensures quieter operation.
  • Precision Machined Crown: Features a fully machined crown designed for optimal combustion efficiency and performance gains.
  • Enhanced Ring Seal: Includes precision ring grooves, anti-detonation features, and improved ring sealing for maximum compression and reliability.
  • Optimized for Turbocharging: With a 84.50mm bore and a 8.8:1 compression ratio (achieved with the -0.50 overbore), this kit is ideal for turbocharged M50B25 builds.
  • Reliable Lubrication: Forced pin oiling system provides consistent lubrication to the piston pin for extended component life.

This Wiseco piston kit is designed to fit various BMW models including the 325is (1992) and 525i/525iT (1991-1995). Whether you're building a track monster or a powerful street machine, these pistons offer the strength and performance you need. Enhance your BMW's power and reliability with Wiseco components, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1992 BMW 325is Base
1991-1995 BMW 525i Base
1993 BMW 525iT Base

Product Details

Product Description

About Wiseco

Wiseco engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wiseco lineup with fast shipping and expert fitment support — order with confidence.

Wiseco Forged Piston Kit for BMW M50B25 (2.5L 24V Turbo)

Unleash the potential of your BMW M50B25 engine with this high-performance forged piston kit from Wiseco. Engineered and machined in the USA from premium 2618 aluminum, these pistons are built to withstand the rigors of turbocharged applications and severe duty use.

Performance-Driven Features:

  • Robust Construction: Forged from 2618 aluminum alloy for exceptional tensile strength and durability under high boost conditions.
  • ArmorGlide™ Skirt Coating: Significantly reduces friction, minimizes skirt-to-wall contact, and ensures quieter operation.
  • Precision Machined Crown: Features a fully machined crown designed for optimal combustion efficiency and performance gains.
  • Enhanced Ring Seal: Includes precision ring grooves, anti-detonation features, and improved ring sealing for maximum compression and reliability.
  • Optimized for Turbocharging: With a 84.50mm bore and a 8.8:1 compression ratio (achieved with the -0.50 overbore), this kit is ideal for turbocharged M50B25 builds.
  • Reliable Lubrication: Forced pin oiling system provides consistent lubrication to the piston pin for extended component life.

This Wiseco piston kit is designed to fit various BMW models including the 325is (1992) and 525i/525iT (1991-1995). Whether you're building a track monster or a powerful street machine, these pistons offer the strength and performance you need. Enhance your BMW's power and reliability with Wiseco components, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1992 BMW 325is Base
1991-1995 BMW 525i Base
1993 BMW 525iT Base

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