BMW Internal Engine Parts

E Pistons 8.5:1 Piston Kit - BMW S14B23 Engine (Set of 4)

Unleash the full potential of your BMW S14B23 engine with the JE Pistons 8.5:1 Compression Kit, engineered for maximum strength and reliability in forced induction builds. Perfect for turbocharged or supercharged applications, these pistons are designed to handle high boost levels, ensuring your engine can withstand extreme pressures while delivering smooth, consistent performance.

Key Benefits:

• Optimized Compression (8.5:1): Lower compression ratio designed specifically for turbo or supercharged setups, helping manage cylinder pressures for greater tuning flexibility and boost potential.
• Forged for Toughness: Crafted from 2618 aluminum alloy, these pistons are forged to withstand extreme stress and temperature, making them ideal for high-boost, high-revving engines.
• Thermal Efficiency & Durability: Enhanced heat dissipation design reduces the risk of detonation, allowing your engine to run cooler under heavy load.
• Friction-Reducing Skirt Coating: Helps to reduce wear, improving the longevity of both the pistons and the engine, even under intense driving conditions.
• Complete Installation Kit: Comes with four pistons, rings, wrist pins, and locks, providing everything you need for a smooth installation process.

Why Choose JE Pistons?

JE Pistons are a trusted name in motorsport for delivering unbeatable strength and performance. This 8.5:1 piston kit allows you to push your BMW S14B23 engine to new limits with confidence, whether it’s for track use, drag racing, or a high-performance street build.

Applications:

• Fits BMW S14B23 Engines (E30 M3, high-performance builds)
• Ideal for turbocharged or supercharged configurations.

Technical Specifications:

• Compression Ratio: 8.5:1 for optimal forced induction performance.
• Material: Forged 2618 aluminum alloy for unmatched strength.
• Bore Sizes: Customizable options for overbore requirements.

CP Carrillo, renowned for their forged pistons and rods, presents a premium solution to elevate your Mini's engine performance to the next level. These forged pistons, available in standard and plus size applications, are meticulously designed to deliver exceptional durability and performance, particularly tailored for custom-built engines aiming for higher power outputs.

Featuring a compression ratio (CR) of 9.5 and a dish/dome CC of -5.1, these pistons offer optimal performance for enhanced engine capabilities. The design incorporates a deep valve relief depth to accommodate high-lift camshafts and is tailored for +1mm valve sizes. Crafted with a custom skirt cam and barrel design, high-strength aluminum forgings, and accumulator grooves, these pistons ensure reliability and improved engine efficiency.

Benefits:

• Available in standard or oversized options
• Compatible with high-lift camshafts and oversize valves
• High-strength aluminum forgings ensure durability
• Custom design for enhanced engine performance
• Fully CNC-machined and balanced for precision
• Wrist pins included at no additional cost
• Features double pin oilers and force-fed oil ring for optimal lubrication

The JE Pistons 11.5:1 compression ratio kit for the BMW S50B30US engine (found in the U.S. version of the E36 M3) is designed to improve performance by offering higher compression, increasing power output. Key features likely include:

1. Forged construction: These pistons are crafted from high-strength forged aluminum, providing durability and heat resistance under high performance or racing conditions.
2. Specific bore size: Typically, these kits are sized to a specific bore diameter, such as 86.25mm, which matches the engine's specifications.
3. Lightweight design: Reduced piston weight for faster revs and improved engine response.
4. Coated for protection: Many JE pistons are coated to reduce wear, friction, and heat-related damage.

JE Pistons 13.0:1 High-Compression Piston Kit - BMW S14B23 (Set of 4)

Unleash the full potential of your BMW S14B23 engine with the JE Pistons 13.0:1 Compression Piston Kit. Specifically designed for naturally aspirated applications, this high-compression setup boosts power, responsiveness, and efficiency, making it the ideal choice for race-focused builds or high-performance street engines. Built using JE Pistons' cutting-edge forging process, these pistons deliver unmatched strength and precision for your BMW engine.

Key Highlights:

• 13.0:1 Compression Ratio: Optimized for maximum horsepower and torque in naturally aspirated engines, this high-compression setup elevates performance and throttle response, perfect for high-RPM environments.
• Premium Forged Design: Manufactured from 2618 forged aluminum, these pistons are engineered for extreme durability and lightweight performance. Capable of withstanding high stress and temperatures, they offer reliability even under intense racing conditions.
• Superior Combustion Efficiency: The piston dome is designed to optimize combustion chamber dynamics, promoting a clean burn and reducing the chance of detonation, while enhancing power output.
• Friction-Reducing Coating: Skirt coating minimizes friction and wear, providing smoother operation and extending the lifespan of both the pistons and the engine.
• Complete Set: Comes with four pistons, high-performance rings, wrist pins, and locks for a full installation package, making it easy to upgrade your engine with a single purchase.

Performance-Oriented Engineering:

Built to meet the demands of professional racers and performance enthusiasts, JE Pistons are trusted for their superior craftsmanship and strength. With a 13.0:1 compression ratio, this piston kit is the perfect solution for those looking to maximize power in naturally aspirated BMW S14B23 engines.

Application:

• Fits BMW S14B23 Engines (E30 M3 models, race cars, and high-performance builds)
• Ideal for naturally aspirated setups focusing on high RPM and peak power output.

Specifications:

• Compression Ratio: 13.0:1, optimized for high-performance NA builds.
• Material: Forged 2618 aluminum alloy for durability and strength.
• Bore Size: Available in various sizes, including overbore options.

B

JE Pistons BMW S50B32 Euro Kit - 87mm Bore (5.2cc Dome)

Take your BMW S50B32 engine to the next level with the JE Pistons Euro Kit, meticulously engineered for performance enthusiasts who demand exceptional power and efficiency. With an 87mm bore and a thoughtfully designed 5.2cc dome, this piston kit is designed to enhance combustion characteristics, ensuring maximum power delivery for both street and track applications. Crafted from high-quality materials, these pistons offer the durability and reliability needed for serious performance builds.

Key Features:

• Precision 87mm Bore: Tailored specifically for the S50B32 engine, this bore size optimizes airflow and combustion efficiency, translating to significant horsepower and torque gains.
• 5.2cc Dome Profile: The dome design promotes efficient combustion, enhancing fuel burn while reducing the risk of detonation under high-stress conditions, ideal for naturally aspirated setups.
• Forged Aluminum Construction: Manufactured from premium forged aluminum, these pistons provide a perfect balance of strength and lightweight performance, making them suitable for high-revving applications.
• Engineered for Performance: Every aspect of these pistons is designed to ensure reliability and efficiency, reducing friction and wear for improved longevity.
• Complete Installation Package: The kit includes everything necessary for a seamless installation, making it suitable for professional mechanics and DIY enthusiasts alike.

Applications:

• Designed for BMW S50B32 Engines, perfect for high-performance builds, competitive racing, or enhanced street driving.
• Ideal for naturally aspirated engine setups aiming for maximum output and responsiveness.

Technical Specifications:

• Bore Size: 87mm, optimized for the S50B32 platform.
• Dome Volume: 5.2cc, engineered to enhance combustion efficiency and power output.
• Material: High-strength forged aluminum for outstanding performance and durability.

JE Pistons BMW S14B20 13.0:1 Compression Piston Kit - Set of 4

Unlock your BMW S14B20 engine’s true potential with the JE Pistons 13.0:1 High-Compression Piston Kit. Specifically engineered for naturally aspirated performance, these pistons are designed to deliver higher power output, sharper throttle response, and greater engine efficiency, making them perfect for track-focused builds or high-revving street machines. Built from high-strength, lightweight forged aluminum, these pistons offer the durability and precision needed to withstand the extreme demands of motorsport applications.

Key Benefits:

• 13.0:1 Compression Ratio: Elevate engine performance with a higher compression ratio that optimizes cylinder pressure for maximum power, torque, and acceleration in naturally aspirated setups.
• Forged for Strength and Lightness: Constructed from 2618 forged aluminum alloy, these pistons provide the ideal balance of strength and weight, ensuring maximum durability without sacrificing engine speed.
• Efficient Combustion Design: Piston crown engineered to enhance combustion chamber dynamics, promoting cleaner, more efficient fuel burn while preventing detonation at high RPMs.
• Low-Friction Skirt Coating: Coated piston skirts reduce friction during operation, extending the life of your pistons and improving overall engine performance.
• Complete Installation Package: Includes four forged pistons, rings, wrist pins, and locks—everything you need to take your S14B20 engine to the next level.

Performance & Precision:

With JE Pistons, you get race-proven reliability and cutting-edge engineering. The 13.0:1 compression ratio boosts performance without compromising on durability, ensuring your BMW S14B20 engine delivers consistent, high-level power in any driving situation.

Application:

• Fits BMW S14B20 Engines (perfect for high-performance street or track builds).
• Ideal for naturally aspirated setups focused on maximizing power and efficiency.

Technical Specs:

• Compression Ratio: 13.0:1, optimized for naturally aspirated engines.
• Material: Forged 2618 aluminum for superior strength and heat resistance.
• Bore Sizes: Custom bore sizes available, including overbore options.

The JE Pistons 11.5:1 compression ratio kit for the BMW S50B30US engine (found in the U.S. version of the E36 M3) is designed to improve performance by offering higher compression, increasing power output. Key features likely include:

1. Forged construction: These pistons are crafted from high-strength forged aluminum, providing durability and heat resistance under high performance or racing conditions.
2. Specific bore size: Typically, these kits are sized to a specific bore diameter, such as 86.25mm, which matches the engine's specifications.
3. Lightweight design: Reduced piston weight for faster revs and improved engine response.
4. Coated for protection: Many JE pistons are coated to reduce wear, friction, and heat-related damage.