Mine takes forever and does a very poor job. It takes at least 10-15 minutes. when i turned it in for service they keep it over night and said it was exceptable. Anyone else have any problems with the rear defroster?
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2011 M3 Space Gray Metallic, Silver Novillo Extended leather, M-DCT, ZCP, Prem Pkg 2, Conv Pkg, Sycamore Anthracite Wood Trim, BMW Apps, Moonroof, Split Fold Down rear seats, Enhanced Premium Sound
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