This is what happens when you mess around with the green menu! As per post #4, you need the original disc if you have the old version installed. If you have updated in the past, you can use the 5570 discs
Just to add to this thread, hopefully may help others. I messaged CreweAudi to see if these will fit my D3 S8 and unfortunately they said no. However, I checked to see if the sizes are similar and they are but the connectors are different. So, I bought a pair of these and checked out...
One of the last D3s, will have 3G MMI which is rare on a D3.
First try clearing the faults, if the car has had a weak or flat battery at any point they flag up a lot of 'ghost' faults. If they come back, then investigate
Quick note on the number plate lights, the broken screws are a common issue. I had broken screws too bodged in the past which bubbled the paint. Ended up replacing the trim and the lights but I'm afraid the problem will happen again in the future. I would stick to stainless if you can rather...
The MMI motorised cogs do break. There are kits available with metal cog replacements and should be videos on YT on how to do it.
Is the reset you tried the 3 button hold and release method? When you say it turns off, does it go blank or freeze?