BMW Internal Engine Parts for BMW 3 Series G20 (2019+)

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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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JE Piston Kit B58B30-3.228/.866/-11.1CC
JE Piston Kit B58B30-3.228/.866/-11.1CC
JE Piston - Corporate Logo
T#:33746530
Part#: 371718
In Stock at Vendor
$ 1,324.99 USD
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$ 1,324.99 USD
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JE Pistons for BMW/TOYOTA B58B30 - 3.228" Bore, .866" Pin, -11.1CC Dish Volume

Boost Your Engine’s Performance with JE Forged Pistons

These JE Pistons are built for the modern high-performance BMW B58B30 and Toyota B58 engines, providing the perfect balance of strength, precision, and durability.

  • Engine Compatibility: Designed for BMW B58 and Toyota B58 engines, such as those found in the Toyota Supra and BMW G20 models.
  • Bore Size: 3.228" (82mm) ensures proper cylinder fitment for high-performance builds.
  • Pin Size: 0.866" (22mm) wrist pin diameter for secure, reliable piston-rod connections.
  • Dish Volume: -11.1cc, designed for turbocharged applications to reduce compression and prevent detonation under high boost.
  • Forged 2618 Aluminum: Provides excellent strength and durability, allowing the pistons to withstand extreme conditions in both street and track environments.
  • Lower Compression Ratio: Specifically engineered for boosted setups, ensuring optimal performance with turbo or superchargers.
  • High-Temperature Coatings: Thermal coatings on the piston crowns reduce heat absorption, improving durability under high-stress conditions.
  • Lightweight Design: Improves throttle response and engine rev speed by reducing the overall weight of the rotating assembly.

Ready for Extreme Boost Applications

Perfect for turbocharged and high-horsepower setups, these JE pistons are built to withstand extreme boost pressures, delivering reliable performance and power gains. Whether on the track or the street, these pistons will help extract maximum potential from your BMW or Toyota B58 engine.

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BMW - Toyota ULTRA SERIES B58
BMW - Toyota ULTRA SERIES B58
JE Piston - Corporate Logo
T#:33612885
Part#: 389616
In Stock at Vendor
$ 1,722.99 USD
Add to Wish List
$ 1,722.99 USD
Add to Wish List
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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BMW/Toyota B58B30 JE Pistons - Single
BMW/Toyota B58B30 JE Pistons - Single
JE Piston - Corporate Logo
T#:33846582
Part#: 371718S
Back Ordered
$ 349.99 USD
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$ 349.99 USD
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JE Piston BMW/TOYOTA B58B30
JE Piston BMW/TOYOTA B58B30
JE Piston - Corporate Logo
T#:33746539
Part#: 371720
Back Ordered
$ 1,324.99 USD
Add to Wish List
$ 1,324.99 USD
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JE Pistons for BMW/TOYOTA B58B30 - 3.268" Bore, .866" Pin, -12.3CC Dish

Precision-Forged Performance for BMW and Toyota B58 Engines

Unlock the full potential of your BMW B58B30 or Toyota B58 engine with JE’s forged piston set, designed to provide durability, lower compression, and efficiency for turbocharged or high-performance builds. Whether you’re aiming for street performance or track dominance, these pistons offer the strength and reliability needed for modern forced induction engines.

  • Engine Compatibility: Fits both BMW B58B30 and Toyota B58 engines, making it ideal for vehicles like the Toyota Supra (A90) and BMW models such as the G29 Z4 and G20 3-Series.
  • Bore Size: 3.268" (83mm) bore for precise fitment, ensuring optimal sealing and performance in high-horsepower applications.
  • Pin Diameter: 0.866" (22mm) wrist pin for secure and reliable piston-rod engagement, even under extreme stress.
  • Dish Volume: -12.3cc, providing a lower compression ratio for boosted applications, perfect for turbo setups aiming for high power with reduced knock potential.
  • 2618 Forged Aluminum Alloy: Manufactured from high-strength 2618 aluminum, renowned for its durability, heat resistance, and ability to withstand the intense conditions of high-performance engines.
  • Compression Control for Forced Induction: The -12.3cc dish volume is engineered for lower compression, allowing for safe tuning under high boost pressure while maintaining reliability.
  • Thermal Coating: Advanced coatings minimize heat absorption, improving durability under intense engine loads and extending piston life.
  • Lightweight Design: Optimized for reduced mass, these pistons improve throttle response and rev speed without sacrificing strength or endurance.
  • Track-Tested Performance: Designed and tested for both street and competition use, ensuring that you get race-level performance in your everyday build.

Built for Boosted Power and Reliability

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K1 Technologies H-Beam Forged Connecting Rod Set - W/ ARP2000 Bolts - B58 3.0L
K1 Technologies H-Beam Forged Connecting Rod Set - W/ ARP2000 Bolts -...
K1 Technologies - Corporate Logo
T#:3971624
Part#: 005EP17148
Back Ordered
$ 625.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 625.99 USD
Free Shipping on orders $49 and up
Add to Wish List
K1 Technologies has expanded its lineup of race-ready connecting rods with their latest H-beam connecting rod for the Toyota Supra/BMW B58 engine. As part of the iconic Supra’s re-launch, this engine has already become a popular build platform, with high-boost and big HP builds calling for increased connecting rod strength. Forged from 4340 steel and machined within precise tolerances, these connecting rods for the B58 boast a winning combination of features, including: Forged 4340 steel material provides strength and reliability Designed and developed by in-house engineering team through work with engine builders and racers Shot peening surface treatment improves fatigue life for long and reliable performance Highly reputable ARP 2000 series fasteners included H-beam design provides proven strength
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B58 BMW JE Pistons ULTRA SERIES B58B30/3.2284
B58 BMW JE Pistons ULTRA SERIES B58B30/3.2284
JE Piston - Corporate Logo
T#:33612887
Part#: 389618
Back Ordered
$ 1,722.99 USD
Add to Wish List
$ 1,722.99 USD
Add to Wish List
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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JE Pistons BMW - A90 Supra ULTRA SERIES B58
JE Pistons BMW - A90 Supra ULTRA SERIES B58
JE Piston - Corporate Logo
T#:33612886
Part#: 389617
Back Ordered
$ 1,722.99 USD
Add to Wish List
$ 1,722.99 USD
Add to Wish List
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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