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      11-30-2012, 10:17 AM   #10

Drives: 335i touring LCI
Join Date: Aug 2011
Location: Espoo

Posts: 3
iTrader: (0)

I had some similar damage in my roof, when I bought my car. How can you miss such a thing, when buying a car? well, easily..

anyway I used some ultra-fine sanding paper 2000+ roughness and polishing paste. The end result was amazing:

You need some time to rub with this polishing paste to make the lack surface smooth. Low RPM polishing machine with a clean sponge and small amount of paste is excellent.

Disclaimer: Try it first in a less-visible spot. Use sufficient amount of water with sanding paper..