2010 A5 B8 S-line. 2.0 diesel. 6 man transmission
 

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I have a 2010 A5 thats recently lost its passenger side cv joint. Now im looking to buy a new drive shaft to replace the one on that side. However, when i look up matches for my car i get them in different lengths. 499, 465, 464mm and so on. I cant find any information about this online. Can anyone here guide me? Thanks

Idiot of the day award goes to me, for forgetting the actual topic, in the topic. Running a 40+ fever, sorry about that.