BMW S38 Forged Rod & Piston Kit

Fortify your BMW S38 engine with our 5150 AutoSport Forged Piston & Rod Combination Kit, a one-click upgrade that brings unmatched strength and reliability to your high-performance build.

This internals kit features CP-Carrillo forged pistons and connecting rods, engineered as a drop-in fitment for the BMW S38B35, S38B36, and S38B38 engines. With an impressive rating of up to 1200 HP and 8500 RPM, this CP-Carrillo kit is ready to handle naturally aspirated rebuilds, turbo conversions, and everything in between.

Engine-Specific Specs:

• S38B35 / S38B36: 93.5mm bore, 10:1 compression ratio
• S38B38: 94.5mm bore, 10.5:1 compression ratio

Why Choose the CP-Carrillo Forged Kit for Your S38?
Each component in this combo is precision-engineered from high-strength forged aluminum alloy for durability and performance, offering improved responsiveness, smoother power delivery, and reliability even under high RPM or high-boost conditions. Designed for enthusiasts looking to upgrade or rebuild their iconic BMW S38 engine, this piston and rod kit offers direct compatibility with factory bore and compression specifications, making it an ideal choice for both street and race applications.

Key Features:

• High-Power Ready: Rated for up to 1200 HP and 8500 RPM
• Direct OEM Upgrade: Matches factory bore and compression ratios for S38B35, S38B36, and S38B38 engines
• Top-Quality Engineering: Built from high-strength forged materials to withstand demanding conditions
• Versatile Application: Perfect for naturally aspirated rebuilds and high-boost turbo builds alike

Whether you’re restoring or building for peak S38 performance, the CP-Carrillo Forged Piston & Rod Kit is a one-click upgrade for durability, precision, and power.

BMW S38B35 Applications:

BMW 5 Series

1985-1987     E28     M5 [European Market]
1987-1988     E28     M5 [American Market]

BMW 6 Series

1984-1989     E24     M635CSi [European Market]
1987-1989     E24     M6 [American Market]

BMW S38B36 Applications:

BMW 5 Series

1988-1992     E34     M5

BMW S38B38 Applications:

BMW 5 Series

1992-1995     E34     M5 [European Market]