Heat shield

and S14B27 engines

if you're ready to unleash the limitless potential of your M3 or M4

425 (driver side)996

simply toggle it on the bootmod3 Map Configuration screen and store it on the DME

BMW S58 REV2 Controller - Powered by bootmod3 DirectPWM and FlexRay E61 LCI Heat shieldREV2 Controller The REV2 Controller is a state of the art motorsport ECU, featuring industry first FlexRay and Direct PWM motorsport ECU technology. It comes in a durable IP66 waterproof enclosure and includes a Mil Spec motorsport grade wiring harness for reliability in demanding conditions. Development of the REV2 Controller began in 2019, with early discussions taking place in the bootmod3 enthusiasts group on Facebook. After years of research and