Underbody sealant

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smithy318i
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Fri Jun 20, 2008 6:36 pm

What is the name of the underbody sealant used by BMW?
Or a good alternative.
Im after a thick rubbery sealant. None of this cheap waxoyl type gooey stuff.
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Brianmoooore
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Fri Jun 20, 2008 11:45 pm

It's a polyurethane sealant.
Apparently the proper stuff comes in bags. There was a thread on it a short while ago, with links as to where to get it from.
old_skool
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Sat Jun 21, 2008 12:34 pm

You can get the BMW stuff from the dealer. Zimmer knows what it is called as I had words with him about it.

Give him a try on Monday?
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NICKE30CAB
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Sat Jun 21, 2008 8:01 pm

waterbased stone chip is the way forward , in black or grey , drys into a thick rubbery finish . any paint supplier should stock it .
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Brianmoooore
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Sat Jun 21, 2008 8:40 pm

NICKE30CAB wrote:waterbased stone chip is the way forward , in black or grey , drys into a thick rubbery finish . any paint supplier should stock it .
Not even remotely in the same league as the correct PU stuff.
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NICKE30CAB
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Sun Jun 22, 2008 9:52 am

to be honest i disagree, when i say stone chip , this is what my local body shop calls it . its not the usual crap you put in a shultz gun . you need a pucker gun for this , with which you can put in seams etc . this stuff is just superb .

i will have a look for the correct name of it when im back at work .
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edz2537
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Sun Jun 22, 2008 10:49 pm

its 3m stuff in a bag,u rip the two parts of bag apart+mix.need proper gun 4it tho.
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