I have a diffuser for sure. It's the dark grey area right above my exhaust on my rear bumper. It comes with every M sport package from my understanding. I believe it comes with the M sport diffuser and not the M performance diffuser apparently.
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2013 335i sedan, black sapphire Metallic
,M Sport w/ 19" 403M wheels,premium pkg,tech pkg,paddle shifters,heated seats,black kidney grilles, ,mini spoiler,M performance rocker panel decals
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