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BimmerRob08 · 11-04-2011, 08:28 PM

Just the same. Polishing compounds that are not abrasive and then wax and seal. That should also take care of hard water stains too. No harsh chemicals needed as long as you don't let the bug guts/bird shit sit there for weeks.

11-04-2011, 08:28 PM	#3
BimmerRob08 Major 110 Rep 1,311 Posts Drives: 2008 M3, Space Gray Join Date: Mar 2008 Location: KIKR (ABQ), NM iTrader: (0)	Just the same. Polishing compounds that are not abrasive and then wax and seal. That should also take care of hard water stains too. No harsh chemicals needed as long as you don't let the bug guts/bird shit sit there for weeks.
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