[E91toG05]

My car has a weird hard yellowish goo that is coming out of the drain/weeping holes in the bottom of the doors. There is a similar goo under the hood. It can be chipped off/cleaned but it is a pain. What is this stuff?

Thanks!

[335i Pal]

I have this too in my doors as well, I am thinking it is oil or grease used to lube the doors.

[IRL-MN]

I believe it's a wax that they fill the cavities with for corrosion protection.

[ssaylor]

The yellow goo was put there intentionally and will keep your car from rusting to pieces. Just clean it off as it shows itself. I know BMW has been using this since 1989, probably much earlier, because it was on my 325is.

http://www.cosmolinedirect.com/?gcli...FQqAgwodHjokHg

[Psukhe]

Originally Posted by IRL-MN

I believe it's a wax that they fill the cavities with for corrosion protection.

This

[Potty_Pants]

It's used to prevent rust...

Please wear gloves when cleaning... its highly toxic and corrosive

ppp

[Potty_Pants]

Originally Posted by IRL-MN

I believe it's a wax that they fill the cavities with for corrosion protection.

not true... they use silver or another similar metal

ppp

[ChasVS]

Originally Posted by Potty_Pants

It's used to prevent rust...

Please wear gloves when cleaning... its highly toxic and corrosive

ppp

WTF? You think the stuff they put on to prevent RUST is Corrosive?

[m42stanle]

Originally Posted by eitingon

My car has a weird hard yellowish goo that is coming out of the drain/weeping holes in the bottom of the doors. There is a similar goo under the hood. It can be chipped off/cleaned but it is a pain. What is this stuff?

Thanks!

Noticed this on mine also about two days after taking delivery. Scared me for a short while as it seemed to have dried out and seemed impossible to get off the bottom of the door with warm soapy water or even my fingernail.

If anyone else is having problems getting this off, I found that a very mild citrus based degreaser loosened it enough to come off the paint. You'll need to rinse off and re-wax that section of body panel but it seemed to do the trick.

(I would try to avoid spraying degreaser where the goo is coming from though - I figure that stuff was sprayed in there for a reason :-) )

[IRL-MN]

Originally Posted by Potty_Pants

not true... they use silver or another similar metal

ppp

What do you mean? Are you referring to the fact that the steel is galvanized? The wax is still inserted into cavities as an extra corrosion protection measure.

[Potty_Pants]

Originally Posted by IRL-MN

What do you mean? Are you referring to the fact that the steel is galvanized? The wax is still inserted into cavities as an extra corrosion protection measure.

Dentists use Silver or some other compound now. They dont use wax.

ppp

[ssaylor]

Guys, there are all kinds of home remedies to remove Cosmoline but this one works the best. A bottle of this should come with every new BMW.

http://www.zymol.com/zymolstrik85oz.aspx

[IRL-MN]

Originally Posted by Potty_Pants

Dentists use Silver or some other compound now. They dont use wax.

ppp

Now I get you. I guess I haven't had enough coffee this morning!

[Potty_Pants]

Originally Posted by IRL-MN

Now I get you. I guess I haven't had enough coffee this morning!

hehe lol nobody should take me seriously anyway !

Originally Posted by ChasVS

WTF? You think the stuff they put on to prevent RUST is Corrosive?

the only way to keep rust off is for the protectant to be corrosive. if the protectant wasnt corrosive the rust would just grow on the car.

ppp

[mike-y]

Originally Posted by Potty_Pants

Dentists use Silver or some other compound now. They dont use wax

ppp

ok, that one made me LOL