This has been discussed a time or two.....

http://www.xoutpost.com/bmw-sav-foru...port-mode.html

http://www.xoutpost.com/bmw-sav-foru...g-drive-s.html

http://www.xoutpost.com/bmw-sav-foru...really-do.html

http://www.xoutpost.com/bmw-sav-foru...-d-s-mode.html

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