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-   -   Rear window rubber (http://www.318ti.org/forum/showthread.php?t=44041)

MAZI 12-09-2017 09:01 PM

Rear window rubber
 
The rubber seal on my side rear windows which the front doors close onto are torn on both sides.

Common?
Easy/difficult to replace??

DGWGuitars 12-10-2017 11:31 PM

Quote:

Originally Posted by MAZI (Post 387420)
The rubber seal on my side rear windows which the front doors close onto are torn on both sides.

Common?
Easy/difficult to replace??

Like all rubber, it dries out and cracks from age - my 99’s rear side windows are. I’ve looked high and low for replacements, but haven’t found any. I think that they are part of the window itself, and are not replaceable.

MAZI 12-11-2017 12:15 PM

Dont say that. So I would need to replace the glass!?!?
Surely not.........

DGWGuitars 12-11-2017 02:25 PM

Quote:

Originally Posted by MAZI (Post 387436)
Dont say that. So I would need to replace the glass!?!?
Surely not.........

In the parts listing for the rear window glass (P/N 51368242601 & 51368242602), it lists the glass WITH the gasket:
http://www.realoem.com/bmw/enUS/show...diagId=51_2147.

#12 in the parts listing (P/N 51728146765 & 51728146766) are the body gaskets, not the ones on the glass.

IMO, probably the only viable solution is to repair the existing gasket, since OEM new windows aren't likely available, and any from a boneyard would probably be cracked.

DGWGuitars 12-11-2017 02:47 PM

FYI, I've searched far and wide on the internet for guides on repairing cracks in rubber gaskets, and found nothing. I have used a Permatex black silicone adhesive sealant (P/N 81158) to glue down the ends of the gasket (called a "cover" in the parts diagrams) at the base of the hatch glass, but haven't tried it to repair the window seals.

MAZI 12-11-2017 09:02 PM

Mine are torn and beyond repair.
I have someone local that builds BMW Compact Cup cars and breaks these for parts so will see what he has when I see him.

DGWGuitars 12-11-2017 09:50 PM

Quote:

Originally Posted by MAZI (Post 387445)
Mine are torn and beyond repair.
I have someone local that builds BMW Compact Cup cars and breaks these for parts so will see what he has when I see him.

Fortunately, mine are not. I'm fairly sure that I'll go the route of using the Permatex material, along with some rubber rejuvenation solution, but I'm holding off just to make sure that it's the right way to go. Good luck!


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