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      12-05-2012, 05:30 PM   #20
7th BMW, 500th Surfboard

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Drives: My girlfriends crazy!
Join Date: Sep 2009
Location: Las Vegas, Nv. and Honolulu, Hi.

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The noise is referenced in the owners manual as a metallic sound. I always liked Metallica! This is how it sounds when warmed up "VVVRRRROOOOOOOOMMMMMMM" !