JE Pistons BMW N54B30 84.5mm Piston Kit 9.5:1 Forged — Fits BMW N54

SKU: JEP338095
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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 84.5mm Forged Piston Kit for BMW N54B30

Maximize the performance of your BMW N54B30 with this precision-crafted 84.5mm forged piston kit from JE Pistons. Manufactured in the USA using high-strength 2618 aluminum, these pistons are engineered to deliver exceptional durability and reliability for even the most demanding high-performance applications.

Superior Performance and Durability:

  • High-Strength Material: Forged from 2618 aluminum, offering superior tensile strength and resistance to extreme operating conditions.
  • Optimized Bore Size: Features an 84.5mm bore, specifically designed for enhanced displacement and performance in the BMW N54B30 engine.
  • Ideal Compression Ratio: With a 9.5:1 compression ratio, these pistons are perfect for tuned or modified N54 engines seeking a balance of power and drivability.
  • Reduced Friction Design: Utilizes JE Pistons' advanced Forged Side Relief (FSR) technology to minimize friction, reduce parasitic power loss, and contribute to overall weight savings.
  • Enhanced Wear Protection: Application-specific skirt coatings (where applicable) reduce friction and wear on piston skirts and cylinder walls, while also helping to quiet engine operation.
  • Improved Combustion Seal: An accumulator groove (where applicable) aids in managing combustion pressure, preventing ring flutter and ensuring a consistent, effective ring seal.
  • Complete Kit: Includes all necessary high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a comprehensive engine build.
  • Proudly USA Made: Manufactured entirely in the United States, ensuring top-tier quality and craftsmanship.

This JE Pistons kit is the ultimate upgrade for BMW enthusiasts aiming for significant power gains and unwavering reliability in their N54B30 engine. Elevate your driving experience with JE Pistons.

Find premium 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 84.5mm Forged Piston Kit for BMW N54B30

Maximize the performance of your BMW N54B30 with this precision-crafted 84.5mm forged piston kit from JE Pistons. Manufactured in the USA using high-strength 2618 aluminum, these pistons are engineered to deliver exceptional durability and reliability for even the most demanding high-performance applications.

Superior Performance and Durability:

  • High-Strength Material: Forged from 2618 aluminum, offering superior tensile strength and resistance to extreme operating conditions.
  • Optimized Bore Size: Features an 84.5mm bore, specifically designed for enhanced displacement and performance in the BMW N54B30 engine.
  • Ideal Compression Ratio: With a 9.5:1 compression ratio, these pistons are perfect for tuned or modified N54 engines seeking a balance of power and drivability.
  • Reduced Friction Design: Utilizes JE Pistons' advanced Forged Side Relief (FSR) technology to minimize friction, reduce parasitic power loss, and contribute to overall weight savings.
  • Enhanced Wear Protection: Application-specific skirt coatings (where applicable) reduce friction and wear on piston skirts and cylinder walls, while also helping to quiet engine operation.
  • Improved Combustion Seal: An accumulator groove (where applicable) aids in managing combustion pressure, preventing ring flutter and ensuring a consistent, effective ring seal.
  • Complete Kit: Includes all necessary high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a comprehensive engine build.
  • Proudly USA Made: Manufactured entirely in the United States, ensuring top-tier quality and craftsmanship.

This JE Pistons kit is the ultimate upgrade for BMW enthusiasts aiming for significant power gains and unwavering reliability in their N54B30 engine. Elevate your driving experience with JE Pistons.

Find premium 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 84.5mm Forged Piston Kit for BMW N54B30

Maximize the performance of your BMW N54B30 with this precision-crafted 84.5mm forged piston kit from JE Pistons. Manufactured in the USA using high-strength 2618 aluminum, these pistons are engineered to deliver exceptional durability and reliability for even the most demanding high-performance applications.

Superior Performance and Durability:

  • High-Strength Material: Forged from 2618 aluminum, offering superior tensile strength and resistance to extreme operating conditions.
  • Optimized Bore Size: Features an 84.5mm bore, specifically designed for enhanced displacement and performance in the BMW N54B30 engine.
  • Ideal Compression Ratio: With a 9.5:1 compression ratio, these pistons are perfect for tuned or modified N54 engines seeking a balance of power and drivability.
  • Reduced Friction Design: Utilizes JE Pistons' advanced Forged Side Relief (FSR) technology to minimize friction, reduce parasitic power loss, and contribute to overall weight savings.
  • Enhanced Wear Protection: Application-specific skirt coatings (where applicable) reduce friction and wear on piston skirts and cylinder walls, while also helping to quiet engine operation.
  • Improved Combustion Seal: An accumulator groove (where applicable) aids in managing combustion pressure, preventing ring flutter and ensuring a consistent, effective ring seal.
  • Complete Kit: Includes all necessary high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a comprehensive engine build.
  • Proudly USA Made: Manufactured entirely in the United States, ensuring top-tier quality and craftsmanship.

This JE Pistons kit is the ultimate upgrade for BMW enthusiasts aiming for significant power gains and unwavering reliability in their N54B30 engine. Elevate your driving experience with JE Pistons.

Find premium engine parts at GGCRACING.

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