Performance upgrade For 640i / 640i xDrive up to production 06/19 400hpFor 640i 640i xDrive up to production 06 19 with engine B58B30M0 and 250 kW 340 hp standard performance for cars with and without otto particle filter SA 01DE performance: 294 kW 400 hp torque standard: 450Nm torque AC Schnitzer: 540Nm using 98 octane fuel ! Inclusive 60 months AC Schnitzer warranty from initial registration ! Before ordering car data and car owner data and also odometer reading must be indicated ! Note: Homologation only for WLTP