Ordered the pedalbox for my m6.
Previously had one on my f01 750xi, loved it! Makes the pedal way more sensitive, saves a bit of gas, and fully keeps the warranty.
I'll post a review when it's installed.
Highly Recommended!
I also got mine here:
http://www.motivemods.com/DTE-System...x-p/dte-pb.htm
Model: 10423702 (for all BMW's)