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      06-11-2014, 08:56 AM   #10
col2611
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Drives: E93 335i M-Sport
Join Date: Apr 2014
Location: Manchester

iTrader: (1)

I read somewhere on here that it's due to washing without PH neutral shampoo. Also had this confirmed by a detailer at the weekend. I tried autoglym super resin on mine and it worked wonders