Isn't it $800 with a woofer? The eBay one is $360 unloaded and when I checked it said $198 shipping. It might have been taking into account shipping to Hawaii. I can't remember if I was logged in when I checked.
09 E90 M3 - Interlagos Blue / Black Novillo / Sycamore Anthracite / Eibach / HRE