Mahle Forged Piston Set — Fits BMW S65 B40 4.0L 92.00mm Bore 12.2:1 CR

SKU: MHL197843622
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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 Mahle

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

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Mahle Forged Piston Set for BMW S65 B40 4.0L

Unleash the full potential of your BMW S65 B40 4.0L engine with this high-performance forged piston set from Mahle. Engineered for demanding applications, these pistons offer superior strength, durability, and performance gains, making them ideal for enthusiasts seeking the ultimate driving experience.

Engineered for Peak Performance:

  • Application Specific: Designed for the BMW S65 B40 4.0L engine, ensuring a perfect fit and optimal performance.
  • Robust Forged Construction: Manufactured from high-quality 4032 aluminum alloy, providing exceptional resistance to heat and stress under extreme conditions.
  • High Compression Ratio: Features a 12.2:1 compression ratio, maximizing power output and engine efficiency.
  • Precise Dimensions: Bore size of 92.00mm and a compression height of 27.3mm are optimized for the S65 engine's specifications.
  • Lightweight Design: Each piston weighs 366g, contributing to reduced rotational mass and improved engine responsiveness.

This set includes eight pistons, providing a complete solution for your engine rebuild or performance upgrade. Whether for track use or spirited street driving, Mahle pistons deliver the reliability and power you need. Trust Mahle for unparalleled engine component quality.

Find top-tier engine parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mahle

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

Watch in action

Mahle Forged Piston Set for BMW S65 B40 4.0L

Unleash the full potential of your BMW S65 B40 4.0L engine with this high-performance forged piston set from Mahle. Engineered for demanding applications, these pistons offer superior strength, durability, and performance gains, making them ideal for enthusiasts seeking the ultimate driving experience.

Engineered for Peak Performance:

  • Application Specific: Designed for the BMW S65 B40 4.0L engine, ensuring a perfect fit and optimal performance.
  • Robust Forged Construction: Manufactured from high-quality 4032 aluminum alloy, providing exceptional resistance to heat and stress under extreme conditions.
  • High Compression Ratio: Features a 12.2:1 compression ratio, maximizing power output and engine efficiency.
  • Precise Dimensions: Bore size of 92.00mm and a compression height of 27.3mm are optimized for the S65 engine's specifications.
  • Lightweight Design: Each piston weighs 366g, contributing to reduced rotational mass and improved engine responsiveness.

This set includes eight pistons, providing a complete solution for your engine rebuild or performance upgrade. Whether for track use or spirited street driving, Mahle pistons deliver the reliability and power you need. Trust Mahle for unparalleled engine component quality.

Find top-tier engine parts at GGCRACING.

Product Details

Product Description

About Mahle

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

Watch in action

Mahle Forged Piston Set for BMW S65 B40 4.0L

Unleash the full potential of your BMW S65 B40 4.0L engine with this high-performance forged piston set from Mahle. Engineered for demanding applications, these pistons offer superior strength, durability, and performance gains, making them ideal for enthusiasts seeking the ultimate driving experience.

Engineered for Peak Performance:

  • Application Specific: Designed for the BMW S65 B40 4.0L engine, ensuring a perfect fit and optimal performance.
  • Robust Forged Construction: Manufactured from high-quality 4032 aluminum alloy, providing exceptional resistance to heat and stress under extreme conditions.
  • High Compression Ratio: Features a 12.2:1 compression ratio, maximizing power output and engine efficiency.
  • Precise Dimensions: Bore size of 92.00mm and a compression height of 27.3mm are optimized for the S65 engine's specifications.
  • Lightweight Design: Each piston weighs 366g, contributing to reduced rotational mass and improved engine responsiveness.

This set includes eight pistons, providing a complete solution for your engine rebuild or performance upgrade. Whether for track use or spirited street driving, Mahle pistons deliver the reliability and power you need. Trust Mahle for unparalleled engine component quality.

Find top-tier engine parts at GGCRACING.

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