I think any body coloured performance spoiler looks nice. Not keen on the carbon look though.
I've just ordered mine and on route to me, will attach it when I get the car...
Driving: F30 320D ///M-Sport | EBII | Black Leather | Visibility Pack | Adaptive Suspension | Media Pro Pack | | Enhanced Bluetooth | BMW Apps | Sports Auto | Sun Protection Glass
Ordered: F30 330e // /M-Sport | Black Sapphire | Coral Red Leather | M Sport Plus Pack | Media Pro Plus Pack | Active Security Pack | Advanced Parking Pack | Interior Comfort Pack | Enhanced Bluetooth | Black Performance Grill | Rear Heated Seats | Rear Folding Headrests | Speed Limit Display