I have an S3 8L 99'
And the batery deaths in 20 days, ;-(
My key is one of the first's models
4DO 837 231 (NO LETER)
VDO 410 819 /6/2
I saw on ebay a lot of models with leters at the end of SN like A or P Are that keys compatible with mine
I don't have confort module