Originally Posted by David1
It will not make you mirrors whistle, I have the mirrors done on every car. Whoever told you that must be on crack.
If you don't have a 1 Series, how can you possibly comment on this issue?
It's a known issue that many 1ers with clear bra applied to the mirrors whistle because it's a 2-piece application. The small space in the middle of the mirror running horizontally between the 2 pieces of film causes whistling.