spray a bit of wd40 onto a cloth and wipe over

thanks il investigate further
it isnt the rear light gaskets they dry as a bone
i have stripped the carpet out and dried everything off so next bit of rain il go have a look

anyone know where i can get some of these gaskets from?
ta

thanks very much

help please, i have an e30 convertible and a leak letting water into the boot ( left side ) is this a common fault?
i also have a small leak on one of the hood seals. are these easy to get? its the seal above the front passenger window

many thanks