BMW Internal Engine Parts for BMW 3 Series F30 (2012+)

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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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ARP Head Stud Kit BMW S55 Custom Age 625+
N55 Engines it is a MUST to drill and tap!
N55 Engines it is a MUST to drill and tap!
5150 Autosport - Corporate Logo
T#:41458801
Part#: ARP-HSK-S55-CA
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$ 899.99 USD
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$ 899.99 USD
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Upgrade your S55 with the ARP Head Stud Kit BMW S55 Custom Age 625+ and drive with confidence under pressure.
JE Piston - Corporate Logo
T#:33746564
Part#: 384915
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$ 924.99 USD
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Here’s another description for the JE Pistons for BMW B48 2.0T with 83.00MM / -12.3CC specs, focusing on a more dynamic and performance-driven tone:


JE Pistons for BMW B48 2.0T - 83.00MM Bore, -12.3CC Dish Volume

Maximize Your BMW B48 2.0T's Power Potential

Unlock serious performance gains with JE’s forged pistons for the BMW B48 2.0T engine. These pistons are engineered to withstand the rigors of high-boost, turbocharged applications, offering the strength, precision, and durability needed for extreme power builds.

  • Engine Compatibility: Designed to fit the BMW B48 2.0T engine, common in models like the BMW 3-Series (G20), 4-Series, and MINI Cooper S/JCW.
  • Bore Size: Featuring an 83.00MM bore, these pistons offer a perfect fit for increased displacement, improving engine efficiency and power output.
  • Dish Volume: The -12.3CC dish helps lower compression, providing more room for increased boost pressure without compromising safety or risking detonation. Perfect for high-boost turbocharged setups.
  • High-Strength Forged 2618 Aluminum: Built using aerospace-grade 2618 forged aluminum, these pistons deliver unmatched durability and heat resistance, making them ideal for racing or high-performance street builds.
  • Turbo-Ready Design: Optimized for forced induction, the -12.3CC dish enhances airflow and combustion efficiency, allowing you to push more power safely while maintaining reliability.
  • Advanced Thermal Coating: JE’s proprietary thermal coatings reduce friction and heat absorption, ensuring longevity and consistent performance, even in extreme conditions.
  • Lightweight Performance: Engineered to minimize weight, these pistons improve engine response and revving capabilities, resulting in a faster, more agile driving experience.
  • Pre-Fitted and Balanced: Delivered pre-fitted with wrist pins and balanced for easy installation, these pistons ensure your engine runs smoothly and efficiently from the moment they’re installed.

Built to Handle Extreme Boost

These JE Pistons are the ultimate upgrade for anyone looking to take their BMW B48 2.0T to the next level. With a design tailored to withstand high-pressure turbo setups and extreme performance demands, they provide the confidence and reliability needed to extract every ounce of power from your engine. Perfect for racers and performance enthusiasts alike.

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JE Piston - Corporate Logo
T#:33846578
Part#: 338096S
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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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ACL - Corporate Logo
T#:25739334
Part#: 6B1510H-.25
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$ 275.99 USD
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Upgrade to ACL's Performance Tri-Metal Bearings for superior engine performance! High-performance Trimetal engine bearings Designed to withstand higher RPM conditions High-strength overlay plate with reduced thickness for improved fatigue properties
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JE Piston - Corporate Logo
T#:33746553
Part#: 384913
Back Ordered
$ 924.99 USD
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Here’s another description for the JE Pistons for BMW B48 2.0T with 83.00MM / -18.7CC specs, focusing on a more engaging and performance-oriented tone:


JE Pistons for BMW B48 2.0T - 83.00MM Bore, -18.7CC Dish Volume

Unleash Your Engine’s Potential with JE Pistons

Take your BMW B48 2.0T to new heights with JE’s precision-engineered forged pistons. Designed for performance enthusiasts who demand power and reliability, these pistons are ideal for high-boost applications and help maximize your engine’s capabilities.

  • Engine Fitment: Tailored specifically for the BMW B48 2.0T engine, compatible with popular models like the BMW 3-Series (G20), X1, and MINI Cooper S.
  • Bore Size: 83.00MM for optimal fit and sealing within the cylinder, enhancing overall engine performance.
  • Dish Volume: -18.7CC, providing a lower compression ratio that allows for higher boost levels while minimizing the risk of detonation in turbocharged applications.
  • Material: Crafted from high-performance 2618 aluminum alloy, known for its strength and durability, these pistons can withstand extreme conditions typically found in high-powered builds.
  • Turbo-Optimized Design: The -18.7CC dish design facilitates better airflow and combustion efficiency, making it ideal for turbo setups that require robust performance under pressure.
  • Advanced Thermal Coating: Equipped with JE’s proprietary thermal barrier coatings to reduce heat absorption and friction, leading to longer piston life and consistent performance under load.
  • Lightweight Construction: Designed to reduce reciprocating mass, enhancing throttle response and enabling quicker revs, making your engine feel more lively and responsive.
  • Pre-Balanced and Pin-Fitted: Each piston comes pre-balanced and pin-fitted for straightforward installation, ensuring immediate performance benefits without extensive modifications.

Engineered for Performance and Reliability

Whether you’re hitting the track or enjoying spirited drives, these JE Pistons are engineered to deliver exceptional performance under extreme conditions. With their robust construction and innovative design, you can confidently push your BMW B48 2.0T engine to the limits, enjoying the thrill of enhanced power and reliability every time you hit the road.

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JE Piston - Corporate Logo
T#:33612895
Part#: 367879
In Stock at Vendor
$ 1,674.99 USD
Free Shipping on orders $49 and up
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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JE Piston - Corporate Logo
T#:33612896
Part#: 367880
Back Ordered
$ 1,674.99 USD
Free Shipping on orders $49 and up
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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Elring - Corporate Logo
T#:27171911
Part#: 11128644674
Back Ordered
Sale - Save 3% $ 85.99

This product was last offered at the strikethrough price on
08-14-2026

$ 83.26 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 85.99

This product was last offered at the strikethrough price on
08-14-2026

$ 83.26 USD
Free Shipping on orders $49 and up
Features robust steel construction engineered to handle the high heat and extreme cylinder pressures of turbocharged applications.

JE Piston - Corporate Logo
T#:33612902
Part#: 338097
Back Ordered
$ 1,649.99 USD
Free Shipping on orders $49 and up
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 Piston - Corporate Logo
T#:33612886
Part#: 389617
Back Ordered
$ 1,722.99 USD
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The JE Pistons for the B58 engine are high-performance forged pistons designed for BMW's 3.0L inline-six turbocharged engine. These pistons are built with aerospace-grade materials, offering superior strength and durability under extreme conditions. They feature precision-machined surfaces, optimized for high boost applications, reduced friction, and enhanced thermal management. JE Pistons are known for their lightweight design, which improves engine response, while maintaining reliability for both street and track use. Customizable options for compression ratios and coatings are often available to suit specific performance goals.
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ACL - Corporate Logo
T#:34114251
Part#: 7M1512H-STD
Special Order: No Guaranteed ETA
$ 291.99 USD
Free Shipping on orders $49 and up

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW B58 and S58 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s B and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

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JE Piston - Corporate Logo
T#:33612887
Part#: 389618
Back Ordered
$ 1,722.99 USD
Free Shipping on orders $49 and up
The JE Pistons for the B58 engine are high-performance forged pistons designed for BMW's 3.0L inline-six turbocharged engine. These pistons are built with aerospace-grade materials, offering superior strength and durability under extreme conditions. They feature precision-machined surfaces, optimized for high boost applications, reduced friction, and enhanced thermal management. JE Pistons are known for their lightweight design, which improves engine response, while maintaining reliability for both street and track use. Customizable options for compression ratios and coatings are often available to suit specific performance goals.
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