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      01-14-2013, 09:44 AM   #17
Jay01
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Drives: 2011 Z4 35is
Join Date: Jan 2013
Location: Cincinnati

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I think the main problem with the touchless systems is the soap they use. It will strip wax off your car and if left on the paint for an extended time it will cause spotting that is extremely difficult to remove. Some are worse than others.