Victory! Succesfuly retrofitted the M-sport steering wheel. I am a happy man now,
Took us about 1 hour.
Disconnected the battery and therefore no reprogramming needed.
All buttons and finishing are the same as on the sportline version.
Here are some pictures: https://www.dropbox.com/sh/7btp6o9cg...eel%20retrofit
Any questions? Let me know!