For enthusiasts pushing their BMW M52TU B28 engine beyond factory limits

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re-calibrated throttle control for quicker throttle response

This OEM BMW S58 Cylinder Head is a premium

the 5150 AutoSport Pro-Xtreme Valve Springs provide consistent valve control and help prevent valve float in extreme operating conditions

B38 Forged Piston Set | CP-Carrillo | MINI BMW Compression Ratio:9:1 For enthusiasts pushing their BMWUpgrade your MINI BMW B38 engine with the B38 Forged Piston Set from CP Carrillo, the industry leader in high performance piston design. Built from premium forged aluminum alloy, these pistons deliver the strength, precision, and reliability required for both high horsepower and high RPM builds. Key Features & Benefits: Lightweight Forged Aluminum Construction reduces piston weight for faster throttle response and improved engine acceleration.