JE Piston for BMW E36 (1992-1998) M3

Clear BMW chassis

Please ensure your correct model is selected

Sort By:

BMW S52B32US 9:1 JE Piston KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713123
Part#: 297170
In Stock at Vendor
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE Pistons Forged Piston Set – BMW S52B32US – 9:1 Compression Ratio Elevate your BMW S52B32US engine with this JE Pistons forged piston kit, designed for durability and performance. 9:1 Compression Ratio: Optimized for turbocharged or supercharged applications, allowing for higher boost without compromising reliability. Forged Aluminum: Lightweight and strong, engineered to withstand high pressures and temperatures. Precision Fit: Tailored for seamless installation in the S52B32US engine. Ideal for enthusiasts looking to boost horsepower and performance, this piston kit ensures exceptional durability and reliability.
Show More Show Less
JE Pistons BMW S52B32US 9:1 KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713130
Part#: 297171
In Stock at Vendor
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE Pistons Forged Piston Set – BMW S52B32US – 9:1 Compression Ratio Elevate your BMW S52B32US engine with this JE Pistons forged piston kit, designed for durability and performance. 9:1 Compression Ratio: Optimized for turbocharged or supercharged applications, allowing for higher boost without compromising reliability. Forged Aluminum: Lightweight and strong, engineered to withstand high pressures and temperatures. Precision Fit: Tailored for seamless installation in the S52B32US engine. Ideal for enthusiasts looking to boost horsepower and performance, this piston kit ensures exceptional durability and reliability.
Show More Show Less
JE Pistons BMW S50B32
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612913
Part#: 312383
In Stock at Vendor
$ 1,349.99 USD
Free Shipping on orders $49 and up
The JE Pistons kit for the BMW S50 engine is crafted for serious performance enthusiasts. Made from forged aluminum, these pistons are designed to withstand high power levels while enhancing combustion efficiency. Their lightweight construction helps improve throttle response, making them ideal for both racing and daily driving. With options for various compression ratios and protective coatings, this kit provides the flexibility needed for optimized engine tuning and reliability in demanding conditions.
Show More Show Less

BMW S50B30 JE Piston EURO FSR KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33646289
Part#: 345626
In Stock at Vendor
$ 1,349.99 USD
Free Shipping on orders $49 and up
JE Pistons BMW S50B30 Euro Piston 86.00mm Bore 1.245in. CH -4.30 CC - Single Piston JE Pistons for the BMW S50 engine are high-performance, forged pistons designed for durability and optimized performance in racing and high-output applications. The BMW S50 engine, found in models like the E36 M3, benefits from JE Pistons' lightweight, robust design, allowing for improved power output and engine reliability under extreme conditions.
Show More Show Less

JE Piston - BMW S50B30 12.5:1 Piston Single 86.00mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33679717
Part#: 297183S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
JE Pistons BMW S50B30 USA Piston - 12.5:1 Compression – 86.00 mm Bore – 1.291 in. CH, -4.70 CC is an advanced performance solution designed for BMW enthusiasts looking to elevate their engine’s power and efficiency. Specifically engineered for the BMW S50B30 engine, these high-compression pistons offer significant increases in horsepower and torque, making them ideal for track or street applications. Available through Turner Motorsport, these pistons provide exceptional durability, precision, and performance under the most demanding conditions.
Show More Show Less
JE Piston - BMW S54B32 9:1 Piston Single 86.00mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33679711
Part#: 297179S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
JE Pistons BMW S50B30 USA Piston 9:1 Compression – 86.00 mm Bore – 1.291 in. CH, -23.60 CC is the ideal solution for BMW enthusiasts seeking to boost their vehicle’s performance. Designed specifically for the S50B30 engine, these pistons are manufactured with precision to enhance reliability and efficiency. Available through Turner Motorsport, these pistons provide a significant upgrade for both street and track use, ensuring your BMW runs at its best.
Show More Show Less

JE Piston - BMW S50B30 12.5:1 Piston Single 86.50mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33679722
Part#: 297184S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up

JE Pistons BMW S50B30 USA Piston 12.5:1 Compression – 86.50 mm Bore – 1.291 in. CH, -5.00 CC is a high-performance piston specifically designed for the BMW S50B30 USA engine. Available through Turner Motorsport, these pistons are engineered for racing enthusiasts seeking to optimize power and reliability. With a compression ratio of 12.5:1, they provide enhanced performance while maintaining durability under extreme conditions. The 86.50 mm bore ensures precise fitment, while the -5.00 CC dome volume contributes to improved combustion efficiency.

  • Increased horsepower and torque with 12.5:1 compression ratio
  • Precision 86.50 mm bore for optimal fitment
  • Durable construction to withstand high-performance demands
  • Lightweight design reduces engine stress and improves responsiveness
  • Ideal for racing applications, enhancing both power and reliability
  • Turner Motorsport trusted for quality performance parts for BMW
Show More Show Less
JE Piston - BMW S50B30 9:1 Piston Single 86.50mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33679713
Part#: 297180S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up
JE Pistons BMW S50B30 USA Piston 9:1 Compression – 86.50 mm Bore – 1.291 in. CH, -23.60 CC is an exceptional upgrade for BMW enthusiasts looking to enhance their vehicle’s performance. Specifically designed for the S50B30 engine, these high-quality pistons are crafted for reliability and efficiency. Available through Turner Motorsport, this product promises a significant improvement for both daily driving and competitive racing applications, ensuring that your BMW performs at its peak.
Show More Show Less

JE Piston - BMW S50B32 12.5:1 EURO 86.75mm - Piston Single
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713141
Part#: 312383S
In Stock at Vendor
$ 251.99 USD
Free Shipping on orders $49 and up

JE Pistons BMW S50B32 Euro Piston 12.5:1 Compression – 86.75 mm Bore – 1.271 in. CH, -5.40 CC is a high-performance upgrade for enthusiasts looking to maximize their BMW engine's power. Available from Turner Motorsport, these pistons are specifically engineered for the BMW S50B32, delivering exceptional strength and durability. With a compression ratio of 12.5:1, they optimize combustion efficiency and significantly increase horsepower and torque. Designed for both track and street use, the JE Pistons ensure that your BMW performs at its best, whether you're racing or enjoying a spirited drive.

Key Benefits:

  • Specifically designed for the BMW S50B32 engine for enhanced performance
  • 12.5:1 compression ratio for optimal power and torque output
  • 86.75 mm bore and 1.271 in. compression height ensure precise fit and performance
  • -5.40 CC design optimizes combustion chamber volume for improved efficiency
  • Lightweight construction reduces overall engine load, boosting performance
  • Available at Turner Motorsport, known for premium BMW parts and performance upgrades
Show More Show Less

JE Pistons BMW Pistons Set Of 6 - S50B30US 86.25mm Bore 11.5:1 KIT ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:638851
Part#: 361347
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
BMW S50B32 JE Pistons Single Euro Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33846577
Part#: 289078S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up

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.
Show More Show Less
BMW S50 JE Pistons EURO KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33646284
Part#: 345625
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
JE Pistons for the BMW S50 engine are high-performance, forged pistons designed for durability and optimized performance in racing and high-output applications. The BMW S50 engine, found in models like the E36 M3, benefits from JE Pistons' lightweight, robust design, allowing for improved power output and engine reliability under extreme conditions.
Show More Show Less


BMW S50B32 JE Pistons EURO KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713101
Part#: 345631
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less
BMW S50B30 EURO FSR KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612922
Part#: 345623
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
The JE Pistons for the BMW S50 engine are crafted for enthusiasts seeking increased performance and reliability. Made from high-strength forged aluminum, these pistons are designed to handle the demands of high-revving 3.0L inline-six engines. With a lightweight design to reduce rotational mass and improve throttle response, these pistons also feature optimized dome shapes for enhanced combustion. Ideal for high-performance builds, they come with options for custom compression ratios and coatings, ensuring durability and power whether on the street or track.
Show More Show Less
BMW S50 JE Pistons - 86.5mm Bore (-5.2cc Dome)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713103
Part#: 345632
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less

JE Pistons 11.5 Kit - Set Of 6 Pistons - BMW S50B30US
For 1994-1995 models with S55B30US engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:12610322
Part#: 297181
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
$ 1,324.99 USD
Free Shipping on orders $49 and up

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.
Show More Show Less

87mm Pistons (+.60mm)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:383222
Part#: JE297173
Back Ordered
$ 1,324.99 USD
Free Shipping
$ 1,324.99 USD
Free Shipping
Elevate the performance of your BMW E36 M3 equipped with an S52 3.2L engine with JE Pistons 87mm Pistons (+.60mm). These pistons are meticulously crafted to deliver optimal engine performance and durability, ensuring a smooth and powerful ride. Perfect for enthusiasts looking to boost their BMW's power and efficiency.
  • Increased engine performance
  • Enhanced durability for prolonged engine life
  • Precision-engineered for perfect fitment
  • Compatible with BMW E36 M3 S52 3.2L engines
Show More Show Less
JE Pistins EURO KIT - BMW S50
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612923
Part#: 345624
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
The JE Pistons for the BMW S50 engine are designed for enthusiasts aiming for enhanced performance and long-term reliability. Constructed from high-strength forged aluminum, these pistons are engineered to withstand the intense demands of the high-revving 3.0L inline-six. The lightweight design reduces rotational mass, improving both throttle response and overall engine efficiency. With precision-crafted dome profiles, these pistons optimize combustion efficiency, delivering more power and performance. Available with customizable compression ratios and advanced coatings, JE Pistons are perfect for high-horsepower builds, offering durability and top-tier performance on both the street and track.
Show More Show Less

JE Pistons Forged Piston Set - E36 S50B30
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:600191
Part#: 361346
Back Ordered
$ 1,349.99 USD
Free Shipping
$ 1,349.99 USD
Free Shipping
Building a high powered engine for road race, drag race, or full out competition racing? JE Pistons for your S50B30 US engine offer the ultimate in strength and reliability in a forged piston. Features: Ultra-high performance forged piston set Includes JE Pro Seal piston rings Includes wrist pins and pin locks No dish deburring or preparation needed Individually prepared inspection report of dimensional conformity Each piston individually serialized for complete traceability 23-point post-production inspection conducted by certified personnel Tighter tolerances on 14 critical areas of the piston All critical surfaces machined in dedicated Critical Manufacturing Cell Specifications: Bore (in): 3.396 Bore (mm): 86.25 Top Compression Ring Thickness: 0.0400 Second Compression Ring Thickness: 0.0480 Oil Ring Thickness: 0.111 Forging Type: FSR Volume (cc): -24.00 Series: JE Pistons Piston Head Type: Inv Dome/Dish Pin Diameter (IN): 0.866 Compression Height: 1.291 Make: BMW Wrist Pin Style - floating or press fit: Floating Wall Type: CHAMFERED Wall Thickness (IN): 0.180 Ringset Part Number: JG1001-3396 Ring Brand: ProSeal Ringset Included: Yes Retainer Thickness: 0.063 Retainer Lock Style: Wire Lock Retainer Lock Part Number: 866-063-MW Retainer Diameter (IN): 0.866 Replacement Single Piston: 361346S Piston Pin Inside Diameter: 0.506 Piston Pin Material: 5115 LOW CARBON STEEL, CASE HARDENED Piston Material: 2618 Piston Pin Length (IN): 2.250 Piston Avg Wt: 299 Pin Offset: Yes Pin Brand: JE Pistons Pin Part Number: 866-2250-18-51C Pin Included: Yes Pin Diameter (mm): 22.00 Oil Rail Support Included: No Deck Clearance: 0.030 Brand: JE Pistons
Show More Show Less
JE Piston BMW S50B30US 12.5 Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33746527
Part#: 297183
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up

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.

Show More Show Less

JE Pistons BMW S50B32 EURO KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
Show More Show Less

JE Piston BMW S50B30US 86.25MM 12..5:1 KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713106
Part#: 361348
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less
JE Pistons BMW S52B32
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713131
Part#: 297173
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
JE Pistons Set of 6 – BMW S52B32US 11.5:1 Compression Kit Upgrade your BMW S52B32US engine with this premium set of 6 JE Pistons, engineered for serious performance. 11.5:1 Compression Ratio: This high compression design enhances combustion efficiency, resulting in increased horsepower and torque. Forged Aluminum: Crafted for strength and lightweight performance, these pistons are built to handle high-stress conditions. Engineered Fit: Specifically designed for the S52B32US, ensuring a seamless installation and optimal performance. Ideal for performance enthusiasts looking to push their engine to new heights, this piston kit offers reliability and power for both street and track applications.
Show More Show Less
JE Piston BMW S50B30US 12.5 Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33746529
Part#: 297184
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up

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.

Show More Show Less


BMW S52B32US - 12.5 JE Pistons
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713148
Part#: 297175
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
The JE Pistons BMW S52B32US 12.5KIT Set of 6 Pistons is a high-performance kit for the BMW 3.2L S52 engine. It features a 12.5:1 compression ratio, forged 2618 aluminum construction for strength and durability, and a lightweight design for improved throttle response. Precision CNC machining ensures a perfect fit, and the advanced coating reduces friction and wear. Ideal for racing or high-performance street builds, this kit includes six pistons, wrist pins, locks, and rings for a complete installation.
Show More Show Less
JE Piston BMW S50B30
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713154
Part#: 297179
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
The JE Pistons BMW S50B30US 9:1 KIT is designed specifically for turbocharged or supercharged BMW 3.0L S50B30US engines. Featuring a lower 9:1 compression ratio, it provides increased reliability under high boost. Forged 2618 Aluminum construction delivers exceptional strength and heat resistance. Precision CNC machining ensures optimal fit and performance. Lightweight design enhances engine efficiency and response. This kit includes six pistons, wrist pins, locks, and rings, making it a great option for high-power forced induction builds.
Show More Show Less
BMW S50 JE Pistons EURO FSR KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33612921
Part#: 345622
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
The JE Pistons for the BMW S50 engine are designed for enthusiasts aiming for enhanced performance and long-term reliability. Constructed from high-strength forged aluminum, these pistons are engineered to withstand the intense demands of the high-revving 3.0L inline-six. The lightweight design reduces rotational mass, improving both throttle response and overall engine efficiency. With precision-crafted dome profiles, these pistons optimize combustion efficiency, delivering more power and performance. Available with customizable compression ratios and advanced coatings, JE Pistons are perfect for high-horsepower builds, offering durability and top-tier performance on both the street and track.
Show More Show Less

JE Pistons - 86.5mm Bore (-5.2cc Dome) - BMW S50B32 Euro Kit ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
Show More Show Less

BMW S50B30 JE Pistons EURO FSR KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33646301
Part#: 345627
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
JE Pistons for the BMW S50 engine are high-performance, forged pistons designed for durability and optimized performance in racing and high-output applications. The BMW S50 engine, found in models like the E36 M3, benefits from JE Pistons' lightweight, robust design, allowing for improved power output and engine reliability under extreme conditions. Here’s a general description of JE Pistons for the BMW S50: Forged Construction: JE Pistons are made from 2618 forged aluminum alloy, which provides superior strength and durability compared to cast pistons, making them ideal for high-performance and high-boost applications. Customizable Options: JE Pistons often offer customization in terms of bore size and compression ratios to fit specific engine builds, whether for naturally aspirated or forced induction setups. This flexibility allows tuners and builders to optimize the engine for power, reliability, and efficiency. Lightweight Design: The pistons are designed to reduce reciprocating mass, which enhances engine response and reduces strain on internal components, contributing to higher RPM capability and increased efficiency. Coating Options: Many JE Pistons feature coatings for improved performance and longevity. These include thermal coatings that reduce heat transfer and friction-reducing coatings that protect against wear. CNC Machined: Precision CNC machining ensures tight tolerances, delivering consistent performance across all pistons, which is crucial for high-stress, high-revving engines like the S50. Increased Power Potential: JE Pistons are engineered for engines making significant power increases over stock, supporting high horsepower builds in both street and track applications.
Show More Show Less
JE Piston BMW S50B30
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713158
Part#: 297180
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
The JE Pistons BMW S50B30US 9:1 KIT is designed specifically for turbocharged or supercharged BMW 3.0L S50B30US engines. Featuring a lower 9:1 compression ratio, it provides increased reliability under high boost. Forged 2618 Aluminum construction delivers exceptional strength and heat resistance. Precision CNC machining ensures optimal fit and performance. Lightweight design enhances engine efficiency and response. This kit includes six pistons, wrist pins, locks, and rings, making it a great option for high-power forced induction builds.
Show More Show Less

JE Piston BMW S50B30 EURO KIT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713116
Part#: 289190
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less
JE Pistons BMW S52B32US 12.5 Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713143
Part#: 297174
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
The JE Pistons BMW S52B32US 12.5KIT Set of 6 Pistons is a high-performance kit for the BMW 3.2L S52 engine. It features a 12.5:1 compression ratio, forged 2618 aluminum construction for strength and durability, and a lightweight design for improved throttle response. Precision CNC machining ensures a perfect fit, and the advanced coating reduces friction and wear. Ideal for racing or high-performance street builds, this kit includes six pistons, wrist pins, locks, and rings for a complete installation.
Show More Show Less

JE Pistons Euro Kit BMW S50B32
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713109
Part#: 289074
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less

JE Pistons BMW S50B30US 11.5KIT Set Of 6 Pistons
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:20979714
Part#: 297182
Back Ordered
$ 1,324.99 USD
Free Shipping on orders $49 and up

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.
Show More Show Less
JE Pistons BMW S50B32 Euro Kit 87mm Bore -5.2cc Dome 0.827in ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33713104
Part#: 345633
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less
JE Pistons BMW S50B32 Single
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33846579
Part#: 345633S
Back Ordered
$ 299.99 USD
Free Shipping on orders $49 and up

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.
Show More Show Less


JE Piston EURO KIT - BMW S50 E36 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JE Piston - Corporate Logo
T#:33646335
Part#: 345629
Back Ordered
$ 1,349.99 USD
Free Shipping on orders $49 and up
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
Show More Show Less
JE Piston - BMW S50B30 11.5:1 Piston Single 86.50mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
Show More Show Less