Is that 2.25" or 2.5", looks like the diamater is a tad smaller than OEM. Not sure if it would make much of a difference.
2013 M3 Coupe-MR/BLK ZCP, identical to my 2011.
2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk