Yeah that looks pretty good mate, the only thing you're missing is touch screen responsiveness on the actual screen. I think the Dynavin would only bring you marginal gains in terms of satisfaction.

By the way, we've got the same garage. Black E53 X5 and W204 (Mine's a 2012 C300 in silver)

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2005 3.0d Sport - Sapphire Black
Engine : Bluefin Superchip Tune,
Wheels & Sus: Style 168s (10.5s all round), H&R RDA Spacers, Bilstein B12, Eibach 40mm drop, Whiteline RSB
Exterior: Le Mans flares, 4.6is kit F&R
Interior: Dynavin N6, Blackvue DR650 dash cams

My Build Thread: http://www.xoutpost.com/bmw-sav-foru...run-sheet.html