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      09-15-2012, 09:24 PM   #4
TwinPowerF30
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Canada
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Drives: 2008 335i Coupe
Join Date: Apr 2005
Location: Vancouver, Canada


Posts: 625
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8oz is good enough. I've used menzerna power finish po203 on my black sapphire and it took many passes. Next time I would use M105 or the menzerna SIP(1500).