Originally Posted by silent running

I think it's supposed to be PMSL. Doesn't make sense as PSML which would be '**** Self My Laughing' - ROFLMAO

On a more topical note though, gluing the edges of my underbonnet liner has definitely cured the buzz. So much for it being the windows then. I think the fact that everyone thinks it's this and it's that, yet no-one else has actually been able to fix the buzzing problem, may indicate that I've hit upon the solution. Or at least one solution.