bizzare...usually revs go down when you do things like that...current draw does it.
Of course, I think Timmy from South Park used to drive a 325 and he would accellerate by rolling up his windows
<span style='color:green'>1994 325i </span>- - - 75,000 mi.
No mods - - - very happy as is!
<span style='color:green'>1995 525i </span>- - - 154,000 mi.
No squeaks or rattles... unreal!