BMW Internal Engine Parts for BMW X Series E84 (2013-2015)

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set
BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set
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ECS - Corporate Logo
T#:585258
Part#: 11247628034WPCKT
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Sale - Save 3% $ 803.88

This product was last offered at the strikethrough price on
06-14-2026

$ 779.76 USD
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Sale - Save 3%
$ 803.88

This product was last offered at the strikethrough price on
06-14-2026

$ 779.76 USD
Free Shipping
Add to Wish List

BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set

Ensure optimal engine performance with the BMW N54 N55 WPC Treated Genuine BMW Rod Bearing Set. This genuine BMW rod bearing set, treated with WPC technology, is specifically designed for BMW N54 and N55 engines, providing several benefits for engine longevity and reliability. Engineered with precision and quality in mind, it offers:

  • Enhanced durability and wear resistance for extended engine life
  • Reduced friction and heat buildup for improved engine performance
  • WPC treatment for superior lubrication and protection against metal-to-metal contact
  • Genuine BMW quality and reliability for peace of mind

Upgrade your BMW N54 or N55 engine with this high-quality rod bearing set for enhanced performance and longevity.

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JE Pistons BMW N55B30
JE Pistons BMW N55B30
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JE Piston - Corporate Logo
T#:33612897
Part#: 3380966
In Stock at Vendor
$ 1,649.99 USD
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$ 1,649.99 USD
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JE Pistons for the N55 engine are precision-engineered for BMW’s single-turbo 3.0L inline-six. These forged pistons are built for high-performance applications, offering exceptional strength and durability under extreme conditions. Designed to handle high boost pressures and increased power, they feature optimized crown shapes and valve reliefs to improve combustion efficiency. Their lightweight construction reduces rotational mass, enhancing throttle response and engine efficiency. With customizable options for compression ratios and coatings, JE Pistons are ideal for tuning and motorsport setups, ensuring reliable performance in both street and track environments.
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JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FSR Piston - Set Of 6
JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FS...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:590161
Part#: 338096
In Stock at Vendor
$ 1,649.99 USD
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$ 1,649.99 USD
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JE Pistons BMW N55 Single
JE Pistons BMW N55 Single
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JE Piston - Corporate Logo
T#:33846578
Part#: 338096S
Back Ordered
$ 349.99 USD
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$ 349.99 USD
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B

JE Pistons BMW N55B30 Piston - 3.307 in Bore

Transform your BMW N55B30 engine with the high-performance JE Pistons Piston, engineered for those who demand power, efficiency, and reliability. With a precise 3.307-inch bore size, this piston is designed to enhance combustion dynamics, resulting in improved horsepower and torque. Crafted from premium forged aluminum, the JE piston is built to endure the rigors of high-performance driving, making it an ideal choice for both track enthusiasts and everyday drivers.

Key Features:

  • Optimized Design: Each piston is meticulously crafted to ensure a perfect fit for the N55B30 engine, maximizing combustion efficiency and overall engine performance.
  • 3.307-Inch Bore: This specific bore size enhances airflow and combustion efficiency, enabling your engine to unleash its full power potential while maintaining reliability.
  • Durable Forged Construction: Made from high-quality forged aluminum, this piston offers exceptional strength and lightweight properties, making it capable of withstanding extreme conditions found in performance applications.
  • Enhanced Combustion Characteristics: The uniquely designed piston crown promotes efficient fuel burn, reducing the chances of detonation and improving power delivery across the RPM range.
  • Trusted Performance: JE Pistons are renowned in the automotive community for their durability and reliability, making them a preferred choice for high-performance builds.

Applications:

  • Fits BMW N55B30 Engines – Perfect for high-performance applications, whether on the track or on the street.
  • Ideal for builders looking to enhance their engine’s capabilities, ensuring maximum power and efficiency.

Technical Specifications:

  • Bore Size: 3.307 inches, specifically designed for optimal performance in the N55B30 engine.
  • Material: Premium forged aluminum for lightweight and strength.
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BMW N55B30 ULTRA SERIES
BMW N55B30 ULTRA SERIES
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612895
Part#: 367879
Back Ordered
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are high-performance forged pistons designed for BMW’s single-turbo 3.0L inline-six. Built for strength and durability under high boost, they feature optimized crown shapes and valve reliefs for better combustion. The lightweight design reduces rotational mass, improving throttle response and efficiency. With options for compression ratios and coatings, these pistons are perfect for tuning and motorsport use, delivering reliable performance on the street or track.
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BMW N55 JE Piston ULTRA SERIES
BMW N55 JE Piston ULTRA SERIES
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612896
Part#: 367880
Back Ordered
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,674.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are high-performance forged pistons designed for BMW’s single-turbo 3.0L inline-six. Built for strength and durability under high boost, they feature optimized crown shapes and valve reliefs for better combustion. The lightweight design reduces rotational mass, improving throttle response and efficiency. With options for compression ratios and coatings, these pistons are perfect for tuning and motorsport use, delivering reliable performance on the street or track.
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BMW N55B30 JE Pistons
BMW N55B30 JE Pistons
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612902
Part#: 338097
Back Ordered
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1,649.99 USD
Free Shipping on orders $49 and up
Add to Wish List
JE Pistons for the N55 engine are precision-engineered for BMW’s single-turbo 3.0L inline-six. These forged pistons are built for high-performance applications, offering exceptional strength and durability under extreme conditions. Designed to handle high boost pressures and increased power, they feature optimized crown shapes and valve reliefs to improve combustion efficiency. Their lightweight construction reduces rotational mass, enhancing throttle response and engine efficiency. With customizable options for compression ratios and coatings, JE Pistons are ideal for tuning and motorsport setups, ensuring reliable performance in both street and track environments.
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