Concept cars highlight Ford-only day of RM’s Monterey auction

If you were one of the 30 Bimmerphiles to snag a 2011 Frozen Gray M3 Coupe last month, expect to fill out another round of paperwork before you take delivery of your new matte gray baby. BMW is apparently requiring all owners to sign a “maintenance agreement” that insists the M3 is never polished or waxed, ran through an automatic car wash or even strongly rubbed. Additionally, BMW politely