[AW_Dan]

That's the one. Wouldn't bother with one on a black car to be honest. Have a look at the 3D type ones, look a lot better.

Stock spoiler?

 

[AdamC]

The M performance spoiler just attaches to your original.
As Dan has said when colour matched it's hard to see the difference. Additional side blades that go down the side of the rear windscreen can also be purchased to use with this spoiler.

 

[AdamC]

There are a few pics in this thread:

http://www.babybmw.net/forum/viewtopic.php?t=63590

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[AdamC]

Yes exactly right. Cotswold BMW were offering a good deal on all 3 parts recently.

 

[JamesHS]

Hm what is the third part? Spoiler, fins and?

Only picked my car up Monday and already gonna give the parts department a call!

The carbon fibre interior bits look really nice

2 fins and 1 spoiler