JE Pistons BMW N54B30 84mm Piston Kit 9.5:1 Forged — Fits BMW N54

SKU: JEP338094
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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 JE Pistons

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

Watch in action

JE Pistons 84mm Forged Piston Kit for BMW N54B30

Enhance the performance and durability of your BMW N54B30 engine with this high-quality 84mm forged piston kit from JE Pistons. Manufactured in the USA using premium 2618 aluminum, these pistons are engineered to meet the rigorous demands of high-performance applications, ensuring reliability under extreme stress.

Engineered for Power and Longevity:

  • Robust Construction: Forged from 2618 aluminum, providing superior tensile strength for high-demand performance.
  • Precision Fitment: Designed specifically for the BMW N54B30 engine with an 84mm bore.
  • Optimized Compression: Features a 9.5:1 compression ratio, ideal for tuned or modified N54 engines.
  • Reduced Friction: Incorporates JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction, reduce power loss, and save weight.
  • Wear Resistance: Optional skirt coating (application dependent) reduces friction and wear on piston skirts and cylinder walls, while also contributing to quieter operation.
  • Improved Ring Seal: An accumulator groove (application dependent) helps manage combustion pressure, preventing ring flutter and ensuring consistent power delivery.
  • Complete Kit: Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a seamless installation.
  • Made in USA: Proudly manufactured in the United States, guaranteeing exceptional quality and craftsmanship.

This JE Pistons kit is the perfect upgrade for BMW enthusiasts looking to push the limits of their N54B30 engine, whether for track days, drag racing, or a significant street performance build. Experience the JE Pistons advantage in power and reliability.

Discover performance engine parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About JE Pistons

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

Watch in action

JE Pistons 84mm Forged Piston Kit for BMW N54B30

Enhance the performance and durability of your BMW N54B30 engine with this high-quality 84mm forged piston kit from JE Pistons. Manufactured in the USA using premium 2618 aluminum, these pistons are engineered to meet the rigorous demands of high-performance applications, ensuring reliability under extreme stress.

Engineered for Power and Longevity:

  • Robust Construction: Forged from 2618 aluminum, providing superior tensile strength for high-demand performance.
  • Precision Fitment: Designed specifically for the BMW N54B30 engine with an 84mm bore.
  • Optimized Compression: Features a 9.5:1 compression ratio, ideal for tuned or modified N54 engines.
  • Reduced Friction: Incorporates JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction, reduce power loss, and save weight.
  • Wear Resistance: Optional skirt coating (application dependent) reduces friction and wear on piston skirts and cylinder walls, while also contributing to quieter operation.
  • Improved Ring Seal: An accumulator groove (application dependent) helps manage combustion pressure, preventing ring flutter and ensuring consistent power delivery.
  • Complete Kit: Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a seamless installation.
  • Made in USA: Proudly manufactured in the United States, guaranteeing exceptional quality and craftsmanship.

This JE Pistons kit is the perfect upgrade for BMW enthusiasts looking to push the limits of their N54B30 engine, whether for track days, drag racing, or a significant street performance build. Experience the JE Pistons advantage in power and reliability.

Discover performance engine parts at GGCRACING.

Product Details

Product Description

About JE Pistons

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

Watch in action

JE Pistons 84mm Forged Piston Kit for BMW N54B30

Enhance the performance and durability of your BMW N54B30 engine with this high-quality 84mm forged piston kit from JE Pistons. Manufactured in the USA using premium 2618 aluminum, these pistons are engineered to meet the rigorous demands of high-performance applications, ensuring reliability under extreme stress.

Engineered for Power and Longevity:

  • Robust Construction: Forged from 2618 aluminum, providing superior tensile strength for high-demand performance.
  • Precision Fitment: Designed specifically for the BMW N54B30 engine with an 84mm bore.
  • Optimized Compression: Features a 9.5:1 compression ratio, ideal for tuned or modified N54 engines.
  • Reduced Friction: Incorporates JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction, reduce power loss, and save weight.
  • Wear Resistance: Optional skirt coating (application dependent) reduces friction and wear on piston skirts and cylinder walls, while also contributing to quieter operation.
  • Improved Ring Seal: An accumulator groove (application dependent) helps manage combustion pressure, preventing ring flutter and ensuring consistent power delivery.
  • Complete Kit: Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a seamless installation.
  • Made in USA: Proudly manufactured in the United States, guaranteeing exceptional quality and craftsmanship.

This JE Pistons kit is the perfect upgrade for BMW enthusiasts looking to push the limits of their N54B30 engine, whether for track days, drag racing, or a significant street performance build. Experience the JE Pistons advantage in power and reliability.

Discover performance engine parts at GGCRACING.

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