Lee said:It's the internal temperature sensor for the climate control. On early 182s it was a small grill, on the rest it's the small blue nipple thing.
We had massive long threads on this a while back, especially as some had it and others didn't.
Lee said:You won't have been on here back then, it was mid 2004 mate. Tom and David had a grill, I had a blue dot. lol
Now I have neither.