The hard lines and angles of the m4 style spoiler just doesn't seem to gel with the e9x platform.. IMHO.
having said that, I searched a couple of years ago and found this spoiler which is still growing on me, the lines and edges of the notch are more subtle and is complementary from a styling perspective.
This one is no longer available from where I purchased it, it is aftermarket and fitment is 10/10 surprisingly..
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the angle of the kick is midway sitting between OEM spoiler and the high kick performance spoiler.
hope this helps in your search.
