I'll dig up this older thread rather than start a new one.
Are these both the M3 spoiler or is the first link different? I feel like the edges in the first link are pointier/narrower
http://www.ebay.com/itm/07-13-BMW-3-...2378e4&vxp=mtr
http://www.ebay.com/itm/07-13-BMW-3-...a4b0bd&vxp=mtr