Compatible with 328i and 528i models equipped with the M52B28 engine; designed for E36 and E46 chassis applications.Constructed with 135mm center-to-center length using forged 4340 steel to support performance engine builds.Shot peened treatment enhances fatigue resistance and extends service life under conditions.Floating wrist pin design helps distribute load evenly and reduces stress concentration during.H-beam construction provides structural integrity while maintaining reduced rotating mass for performance applications.