yeah they look ok... depending on the color.
All in all i would just get new emblems. It sounds dumb but my buddy had overlays on his car and people kept taking them off (may just be a stroke of bad luck on his part however)
2013 F30 335i M Sport AW, HK Sound, Black Interior. 6 MT, M Performance Knob, 15% tint all around. OPTI COAT, M Performance Exhaust
Will be adding the PPK (if they ever make it)