frost

Just spray a bit of a silicone plastic polish (or rubber and vinyl lubricant) on a cloth and wipe it round the rubber door seal, don't wash it off the next time you clean the car! You can also use some vaseline or anything else similarly inert that will lubricate the rubber but not react with it.

Chris (the other one)

Vaseline is not a good idea as it is petroleum jelly and will rot any natural rubber, silicone grease is what you want. BMW dealers sell a tube with a foam applicator for about £4

Gummi-Pflege part # 82 14 9 407 015

Regards Jeff

as that is the door that was sticking in the frost. thanks from chris Addlestone