I installed the BMW aux input over the weekend and initially lost all the Serius presets, although radio still played last channel I was listening to. Disconnected aux input but no change. Sometime over the night Serius reset itself and everything worked fine next morning without the aux input hooked up. Reconnected the aux input waited until next morning hoping Serius would reset again, no luck. Now even with the aux input redisconnected the radio is not even displaying a satellite option. From what I've read on other posts you need the ESN or SID to send to Serius to reset, but without the sat display I can't retrieve the needed info. Is this something a dealer will need to reset?