BMW M3 2011 will come standard with the company's Automatic/Start Stop feature. It will also come standard with an on/off switch, so you can leave your car running at stop lights should you choose.
Other M3 tech include the M Button on steering wheel, which will come standard with the ability to program your preferred driving modes, lighter Manual M Sport Seats, a Mineral White Metallic paint option, a Bi-color Novillo leather trim and a Convenience Package that replaces the Technology Package.
Src: [BMW Blog]