I was bowling along rather swiftly today when my rear window became
>darkened by a mass of steam. I got home before the temperature guage
>rose very far and as yet I daren't look under the bonnet. It is a 2000
>540 tourer with 80K on the clock. What am I likely to find when I get
>round to opening the bonnet?
Hippies. What you got is a bad case of bong smoke. Used to be this only happened with Volkswagens, but it's spreading now.
--scott