Last trip we encountered some bugs (not too bad) on the way home but it was storming when we arrived so never really thought about washing. We are about to take another trip and got the FW out of stor...
We try to wax the 5er at least once a year. In addition DH likes to put a coat of wax on the front of it before going on long trips, especially if we are going to the beach and if we are going to be traveling for hours at night when the bugs are worse.