The option requires a lot of fabrication. You need to locate the front mounting sensor, control module, etc. And then figure out a way to wire it into the Cruise control system, Abs, and throttle control.

Remember Adaptive Cruise control, controls the brakes and throttle with use of the sensor.

IMHO, it isn't worth it. It is more of a pain in the ass really. Alignment must be tits on PERFECT in order for the system to work properly. I had it in my Audi A6 and if I turned it on 10 times, 7 times the dash would say ACC not Avail! It's either because grime was mucking up the sensor, not allowing the infrared signal to pass through the lens or because my alignment was .01 off. But it is your whip, you want to add it no one is gonna stop you. Just be prepared for the headache and $$$

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2011 E70 50i M Sport