I saw a few cheaper ones too but I figured I'd get a proper Genuine BMW one since it's only $200. Especially here in Arizona where it's critical for the AC to work properly in the summer. And since I got it from FCP Euro, it's warrantied for life.

__________________
2003 X5 4.6 | 2000 540i Touring

Formerly owned:
2004 Range Rover | 2000 M5 | 2000 540i/6
1995 750il | 2003 Mercedes S500 | 2003 540i/6