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      10-31-2012, 10:31 AM   #2
Bobble
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Drives: E90 335i/RIP E46 323Ci
Join Date: Oct 2008
Location: SoCal

Posts: 1,211
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IMO P21S us safest, Sonax works really well and safe, any acid based wheel cleaner works really really well IE Megs WB, but be careful you do not etch or compromise the clear coat. Also depends on what wheels are made of. Something like an uncoated magnesium or aluminum is very easy to damage I know this first hand.
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