Please don't ruin the car doing it right with OEM parts, below is the link hope you can find the black shadow trim for your car.
13 E93 M3 Melbourne Red DCT/Premium/EDC/NAV/220M wheel
12 E93 Space Gray ( Retired BMW buy back )
09 E82 Space Gray/Black int/Steps/Sport/Nav/Premium/Xenon/Phone Int/Hifi/269 wheel
2006 E90 ( sold )
My next vehicle would be a Zamboni