I installed the Turner 12.5mm spacers in the back (M-Sport) and it looks PERFECT. The wheels align 100% straight with the edge of the fender. Very subtle but nice look.

I did not use any in the front.

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2012 535i | Built 8/25˜9/07 2011 | Delivered 10-15-2011 | Carbon Black | Oyster Black Dakota Leather | M-Sport Pkg | Luxury Seating Pkg | Premium Pkg | Premium Sound Pkg | Technology Pkg | Sport Auto Trans. | Split Fold-Down Seats | Heated Seats | Side & Top View Cameras | Heads-Up Display | BMW Apps | Black Panel Display | Trunk Lip Spoiler | Roof Spoiler | Quad Exhaust | AirBlue Tint | Turner Wheel Spacers | Euro Plates | Hardwire V1 w/BOB | Media Cradle | Debadged | Kitchen Sink Pkg...