I finally got around to putting mine in.. Putting an mp and box i nthe e70 is about as easy as it gets. I used a Sony 500 watt rms mono amp and that little guy pounds. It takes a day or two to break in the woofer but it goes deep and clean. Really, really happy with it. Im still playing with the filter points and gains to get it just right for the widest variety of music. Got me out here rolling like a teenager again and I love it.

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2008 E70 4.8i sport
space gray 20" staggered 214 wheels
Tech package
Cold Weather
Comfort Access
HUD