Carrillo Connecting Rods for 1988-91 BMW M3 3/8in Bolt

Carrillo Connecting Rods for 1988–91 BMW M3 (3/8" Bolt) Brand: Carrillo — engineered for high-performance and endurance. These connecting rods are a direct-fit upgrade for the 1988–1991 BMW M3 , designed specifically for applications using a 3/8" connecting rod bolt. Key Features Precision-forged 4340 steel for maximum strength and fatigue resistance. Optimized weight to reduce reciprocating mass and improve engine response. Shot-peened and magnafluxed to ensure reliability under high RPM and boost conditions. Direct-fit design for 1988–1991 BMW M3 engines with 3/8" rod bolts — no machining required. OEM-quality tolerances for smooth installation and long service life. Benefits Improved durability for track, street performance, and high-power builds. Consistent rod-to-rod balance for reduced vibration and longer engine life. Supports higher horsepower and RPM safely compared to stock rods. Upgrade your E30 M3 with Carrillo connecting rods to gain confidence in high-performance driving and reliable power delivery. Ideal for rebuilds, race conversions, and high-performance street engines.