Pistons for BMW 3 Series E36 (1992-1998)

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Most BMW engines feature cast pistons. While this does wonders for weight and efficiency, they do not handle increased power levels or boost very well. Turner Motorsport carries Genuine BMW replacements as well as high performance aftermarket options for high horsepower applications.
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JE Piston - Corporate Logo
T#:33713116
Part#: 289190
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$ 1,324.99 USD
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Upgrade your BMW S50B32 Euro-spec engine with JE Pistons, crafted for ultimate durability and performance. This set of 6 forged aluminum pistons is designed to handle the extreme demands of high-revving engines, making it ideal for track or street applications. Bore Size: 86.5mm Maintains the stock bore size for the BMW S50B32 engine, ensuring optimal cylinder wall thickness and structural integrity while offering enhanced performance. Dome Volume: -5.2cc The negative dome volume helps fine-tune the compression ratio, ensuring ideal combustion chamber dynamics for improved power delivery and engine efficiency, especially in naturally aspirated setups. High-Compression Design This kit supports a high-compression ratio, perfect for increasing horsepower and torque in performance applications. It's built for engines that require extra power without compromising reliability. Forged Aluminum Construction JE Pistons are made from aerospace-grade forged aluminum, known for its high strength-to-weight ratio. This ensures superior durability, reduced reciprocating mass, and improved throttle response under high-stress conditions. Designed for BMW S50B32 Euro Engine Specifically engineered for the European-spec BMW S50B32 engine, these pistons fit perfectly into the OE architecture, providing seamless installation and compatibility with both stock and modified engine builds.
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JE Piston - Corporate Logo
T#:33746527
Part#: 297183
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$ 1,324.99 USD
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Here’s another version of the description for the JE Pistons 12.5:1 Compression Ratio Kit for BMW S50B30US, following a more technical and product-focused tone:


JE Pistons 12.5:1 Compression Kit – Set of 6 Pistons for BMW S50B30US

Maximize Your BMW’s Power with High-Compression JE Pistons

The JE Pistons 12.5:1 kit is engineered to give your BMW S50B30US engine a significant performance upgrade. This set of six precision-forged pistons is designed for enthusiasts looking for more power through increased compression, whether on the street or the track.

  • Compression Ratio: 12.5:1 for enhanced combustion efficiency and power output.
  • Fitment: Specifically designed for the BMW S50B30US engine found in the U.S. market E36 M3.
  • High-Strength Construction: Forged from JE's proprietary 2618 aluminum alloy, these pistons are built to withstand extreme conditions without sacrificing strength or durability.
  • Bore Size: Available in standard or oversized bore diameters to match your engine's specifications, ensuring optimal fit and performance.
  • Lightweight Design: Reduces internal engine weight, improving rev response and high-RPM performance.
  • Thermal Protection: Each piston is equipped with advanced coatings to protect against heat and friction, extending the lifespan of your engine under high-performance conditions.
  • Pin-Fit and Balanced: These pistons come pre-balanced and pin-fitted, making installation easy and ensuring reliable operation.

Ideal for High-Performance Builds

Designed for those who push their BMW S50B30US to the limit, this 12.5:1 compression piston kit delivers improved power, torque, and reliability, especially in naturally aspirated builds or when paired with supporting modifications like higher-lift cams or race-tuned ECUs.

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JE Piston - Corporate Logo
T#:33846577
Part#: 289078S
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$ 299.99 USD
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BMW S50B32 EURO Kit - Single Unit

Elevate your BMW S50B32 engine performance with the S50B32 EURO Kit, expertly designed for enthusiasts seeking to unlock the full potential of their engine. This high-performance kit is tailored specifically for the S50B32, known for its impressive power and engineering excellence. With this kit, you can experience enhanced horsepower, improved throttle response, and increased overall efficiency, making it ideal for both street and track applications.

Key Features:

  • Performance-Oriented Design: Each component in the S50B32 EURO Kit is crafted to improve engine output and efficiency, ensuring that you get the most out of your S50B32 engine.
  • Increased Horsepower and Torque: This kit is engineered to maximize power gains, allowing for greater acceleration and a more exhilarating driving experience.
  • Precision Fitment: Every part is manufactured to high standards, ensuring a perfect fit within your engine bay. This precision engineering minimizes installation time and enhances reliability.
  • Optimized Throttle Response: Experience quicker acceleration and sharper throttle response, enabling a more engaging and spirited driving experience.
  • Comprehensive Kit: The kit includes all necessary components for a complete upgrade, making it an excellent choice for both professionals and DIY enthusiasts looking to enhance their vehicle.

Applications:

  • Designed for BMW S50B32 Engines, perfect for high-performance builds, track-focused cars, or those looking to enhance their street-driven vehicles.
  • Suitable for a wide range of applications, from competitive motorsport to everyday driving.

Technical Specifications:

  • Compatibility: Tailored for the S50B32 engine platform.
  • Expected Performance Gains: Significant increases in horsepower and torque, translating to a more responsive and powerful engine.
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JE Piston - Corporate Logo
T#:33713113
Part#: 289078
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE Pistons Set of 6 – 86.5mm Bore (-5.2cc Dome) – BMW S50B32 Euro Kit Upgrade your BMW S50B32 Euro engine with this set of 6 JE forged aluminum pistons. Designed for high performance and durability, these pistons feature: 86.5mm Bore: Stock size for optimal fit and performance. -5.2cc Dome Volume: Tailored for ideal compression and combustion efficiency. High-Compression: Enhances power and torque for naturally aspirated setups. Forged Aluminum: Lightweight, strong, and built to withstand high-stress environments. Perfect for race or street applications, these pistons are engineered for seamless installation and maximum performance.
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JE Piston - Corporate Logo
T#:33713115
Part#: 289079
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE Pistons Set of 6 – BMW S50B32 Euro Kit (87.00mm Bore) Upgrade your BMW S50B32 Euro-spec engine with this set of 6 JE Pistons, engineered for high performance and durability. 87.00mm Bore: Larger bore size boosts displacement for increased power output. Forged Aluminum: Lightweight and strong, designed to handle extreme conditions and reduce wear. Precision Fit: Optimized for naturally aspirated builds, delivering improved combustion and efficiency. Ideal for enthusiasts seeking more horsepower and reliability, this piston kit ensures your engine performs at its peak, whether on the street or track.
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JE Piston - Corporate Logo
T#:33713101
Part#: 345631
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$ 1,349.99 USD
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The JE Pistons BMW S50B32 Euro Kit is designed for performance enhancements of the BMW S50B32 engine, which was used in the Euro-spec E36 M3. Here are the details for the specific kit you're asking about: Bore Size: 87.0mm This refers to the diameter of each piston, slightly larger than the stock bore (which is typically 86.4mm). The increase in bore size slightly raises displacement and allows for better airflow and combustion, improving power potential. Dome Volume: -10.10cc The negative dome volume indicates that the piston has a dish shape, rather than a positive dome. This affects the engine's compression ratio and helps with fine-tuning cylinder pressures. A dished piston like this allows for higher performance at high RPM, while maintaining stability. Compression Ratio: 11.50:1 This high compression ratio is ideal for naturally aspirated performance applications, offering more power output by increasing the efficiency of the combustion process. A higher compression ratio helps the engine generate more horsepower and torque from the same displacement. Material: Forged aluminum JE Pistons are known for their high-quality forged aluminum construction. This offers better strength and durability under high stress and heat, making them suitable for high-performance and racing applications. Application: BMW S50B32 (Euro-Spec E36 M3) This kit is specific to the Euro version of the S50 engine, which differs slightly from the US-spec version in terms of displacement, power output, and other engine characteristics.
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JE Piston - Corporate Logo
T#:33646335
Part#: 345629
Back Ordered
$ 1,349.99 USD
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The BMW S50B32 Euro pistons are forged aluminum, designed for high strength and lightweight performance. With an 86.4 mm bore and a 11.3:1 compression ratio, they ensure efficient combustion. The piston crown shape is optimized for airflow and high RPMs, contributing to the engine’s 321 hp output. The kit includes high-quality piston rings for excellent sealing and minimal friction. Bore Diameter: 87.00 Oil Ring Thickness: 0.111 Piston Volume: -26.00
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JE Piston - Corporate Logo
T#:33679716
Part#: 297182S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up
JE Pistons BMW S50B30 USA Piston - 11.5:1 Compression – 86.50 mm Bore – 1.291 in. CH, -9.30 CC is an exceptional performance upgrade designed for BMW enthusiasts seeking increased engine power and reliability. Specifically built for the S50B30 engine, these high-compression pistons are engineered to deliver enhanced horsepower and torque, perfect for both track and street performance. Available through Turner Motorsport, these pistons offer unmatched durability and precision, ensuring your BMW operates at peak efficiency.
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