Interesting. Don't think I've noticed any F10's with them on as DRL.
They are indeed the classiest and most stunning display of taillight RL's out there I think.
'13 F10 BMW 535i Sport
: Jet Black/Black-Anthracite : Premium & Technology Packs/Sport Auto Trans/Camera/Park Distance Control/Heated Seats/Tinted Windows/Blacked Out Markers/Performance Spoiler.
Ordered: Porsche Macan S / SportDesign.
Ex M-B's: '11/'10/'06 E350 "Sport", '02 S500 w/ Every Option.