Just to add some fuel to the "BMW dropped the ball" fire. I was looking at the package my cable was delivered in. I found the manufacturing date on the back: 26 Feb 2007.
07 335i Coupe 6MT, Montego Blue, Saddle Brown, Dark Burl, Premium Package, Sports Package, Cold Weather Package, Rear Park Distance, Rear Sun Shade, IPod Adapter (6FL)
Delivered March 27, 2007