I am writing this post just to say a big thank you to Adamss24 for the help me sort out my out my car :-).
It's running so much better now, I have so much more confidence in the reliability now the cam belt kit and auxillaries have been replaced along with the alternator and...
I was giving my 2.5tdi a clear out yesterday and at around 4200 rpm in (3rd i think) the battery light, lite up for a split second.
Has anyone else had this? or does anyone know why this would happen?