ESSC N55 40i spec E-Tronic TunerSKU: unspecifiedOff stockN55 40i spec E-tronic tuner 365 HP / 370 lb-ft tqCategory: 640iNo opinions yet - be firstLeave opinionCharacteristicsProduct opinionsNo opinions yet - be firstLeave opinionSame goods and services from "640i"Dinan DINANTRONICS™ Performance Tune...Off stockDinan® Low Compliance Rear Control A...Off stockDinan® Negative Camber Control Arms ...Off stockDinan® 20 inch Wheel Set for BMW F0...Off stockDinan® 20 inch Wheel Set for BMW F0...Off stockDinan® 20 inch Wheel Set for BMW F06...Off stock