Not a whole lot, most 6ers come pretty loaded (of course the std packages: prem/cold/sport). The only options I've seen that weren't so standard was the heads up display. I think you've pretty much nailed it

Word to the wise: definitely get the sport package and a 6spd

IMO, the 6er is one of the slickest Bimmers out...I just love that thing as far as BMW's go. What color are you looking at?

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