Dinan Stage 3 Performance Engine Software for BMW 550i E60 650i E64 Convertible 650i E63 Coupe 750i & Li E65-E66

Special Note: Recommended for use with Dinan High Flow Throttle Body.

Stage 3 Performance Engine Software has been designed specifically for use with Dinan?s High Flow Throttle Body, optimizing performance and drivability. The programming includes a 200 rpm increase of the rev-limit for manual and SMG cars and a 100 rpm increase for automatics. The top speed governor is also removed.