Thanks so much for all your help and suggestions. It's what make this forum so good

Get this, just had a call back from my local VW dealer. They said the xenon bulb is covered under warranty so will replace FOC. Result!
Funny as I was just in the process of translating
'itavaltalainen' German pdf self-help guide on how to change a xenon DS3 bulb without taking the bumper off!
Phew
