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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

JE Pistons BMW S14B23 Piston - 13:1 Compression – 94.00 mm Bore – 1.260 in. CH, 3.40 CC is designed to elevate the performance of BMW S14 engines, delivering maximum power, reliability, and precision. These high-performance pistons are engineered specifically for motorsport enthusiasts and are a perfect fit for the iconic BMW E30 M3, providing a significant boost in horsepower and torque.

Available through Turner Motorsport, these JE Pistons feature a 13:1 compression ratio and a 94.00 mm bore, optimizing combustion efficiency for enhanced throttle response. Built from forged materials, they are designed to withstand extreme conditions, ensuring durability and long-lasting performance under high stress on the street or track.

Key Benefits:

• 13:1 compression ratio for superior engine performance and power
• 94.00 mm bore for optimized engine displacement and precision fitment
• 1.260 in. compression height and 3.40 CC volume for enhanced combustion
• Forged construction for maximum strength and durability
• Specifically engineered for BMW S14B23 engines, including the E30 M3
• Available through Turner Motorsport, providing trusted quality and expert support
• Ideal for both street performance and motorsport applications

The BMW JE Piston S54B32 9:1 Piston Single 87.00mm is a premium performance upgrade designed for BMW enthusiasts looking to enhance engine durability and output. Specifically crafted for the BMW S54 engine, this piston ensures optimal compression and power, providing the necessary strength to handle high-performance driving conditions. Available through Turner Motorsport, this piston is engineered to meet the demands of both street and track driving, offering exceptional reliability.

The precision-crafted piston ensures a perfect fit, allowing for improved combustion efficiency and overall engine performance. It's the ideal choice for drivers seeking to boost their BMW’s power and longevity.

JE Pistons BMW S14B23 Piston 8.5:1 Compression – 94.20 mm Bore – 1.260 in. CH, -24.00 CC is the ultimate performance upgrade for enthusiasts looking to enhance their BMW S14B23 engine. Designed to deliver optimal performance and reliability, these pistons are perfect for anyone aiming for high horsepower while maintaining efficiency. Turner Motorsport offers these precision-engineered pistons that provide a perfect fit and maximum power.

• Improved Performance: Increases horsepower and torque for an exhilarating driving experience.
• Durable Construction: Made from high-quality materials to withstand extreme conditions and prevent failure.
• Optimized Compression Ratio: 8.5:1 compression ratio enhances engine efficiency and performance.
• Precision Fit: Custom-engineered to fit BMW S14B23 engines perfectly, ensuring easy installation.
• Enhanced Engine Response: Delivers quicker throttle response for an engaging driving experience.

Upgrade your BMW S14B23 engine with JE Pistons and experience the difference in power and performance.

At Turner we love the 340's and we love carbon fiber. The answer was clear we need to combine the two and the result is amazing. Our carbon engine cover looks so good on the B58 and can transform the appearance of your engine bay in just minutes. One of the first things you do with a new car is take care of all the simple modifications to get the best out car without taking it apart. Simply remove your factory engine cover and transfer the factory emblem on to your new carbon fiber engine cover and check one modification off the list!

Our Turner B58 Carbon Engine cover starts with mold of the original engine cover to get the best factory-form fitment possible. The cover is made from hand-laid carbon fiber material with pre-impregnated carbon fiber cloth and epoxy resin and finished in a beautiful gloss clear coat for UV-protection and extra durability. Be sure to check out our other incredible carbon fiber pieces we offers to enhance your F30 340!.

Ensure your BMW engine runs clean and efficiently with this Crankcase Breather Valve Diaphragm Spring and Cap (11127803790).

A direct-fit replacement for the original BMW breather (OE 11127803790 / 11-12-7-803-790), this valve maintains proper crankcase pressure, reduces oil buildup, and promotes smooth engine performance.

Constructed from durable, high-quality materials and engineered to OEM specifications, it installs easily without any modifications.

Ideal for maintenance, resolving crankcase pressure issues, or restoring your engine’s ventilation system, this breather valve delivers reliable performance and helps protect your BMW for years to come.