Hoping for some help... 2002 E46 convertible It has become very cold where I live (10-20 degrees) and the key fobs seemed to be getting slower to respond. Now both key fobs are not working at all - no response from car. I tried to resync several them but no response from car. They start the...

This is slightly different that some of the older threads I've seen... I'm not sure that this is a GM5 issue, but am leaning towards a FZV antenna issue... 2003 325xi (E46) 4-door w/ ZSP Problem started years ago (4-5+) initially started on winter days, with one key worse than others... Now...