I don't sorry.
When I put it all together I thought I should have taken down the part numbers for others.

4E0 951 527 AB (left)
4E0 951 527 AC (right)

You have to use the very specific part number, especially last two letters.
There is plenty of combinations but ONLY these 2 PNs are for aluminium paddle shifters which fit D3.

So AB AC is the aluminium finish, any other combination is not.

Paddles also may look the same, but they do also have different connectors and mounting bases. Connector can be swapped but base can not be swapped and it wont fit the wheel

Check this thread if you are interested +++
http://forum.a8parts.co.uk/showthread.php?t=8981

Cheers. I'm looking at a wheel from an S4/S5 which has the paddles fitted so mounting shouldn't be an issue, just the connectors.

Are they easily changed? What are the differences?

No idea mate and I thought the same and now I have a incompatible set of paddles for sale :rolleyes:
But eventually I got it right.
Some bases look almost identical, but when it comes to fitting they are not, then there is different layout of internals so even keeping old base and swapping just the paddles wont work, I went through all that mate.

Connector, internals, base, 3 different things between various paddles

For future reference the paddles on the S4/5 and RS5 are the same part number.

If anyone is wanting to do this mod, a set has appeared on ebay:

http://www.ebay.co.uk/itm/Audi-Genui...ht_1048wt_1284

The front buttons mod... I want that!!!
Is the part number for the Q7 4L the same?

Very nice upgrade!