BMW 65818350779 Ambient Air Temperature Sensor Temperature Sensor Outdoor Temperature for Onboard Computer BMW part# 65 81 8 350 779, Genuine BMW part, recently made: not been lying around. NOTE: e30 3-series fits from 05/1989 production date. NOTE: e32 7-series fits from 10/1988 production date. NOTE: e34 5-series fits from 12/1988 production date.