U pol filler, for body repair finishing

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xavier
E30 Zone Regular
E30 Zone Regular
Posts: 743
Joined: Thu May 29, 2008 11:00 pm
Location: Western Australia

Sat Jan 28, 2012 2:12 pm

I have used 3M brand body filler to finish of a repair on the tail of my Beemer. It is about 3mm thick in a few places. I keep getting a long crack forming on each end of the repair. I have pulled the putty off. Any suggestions what to try this time?
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