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      12-02-2012, 06:03 PM   #5
Private First Class
United Kingdom

Drives: MY2013 F25 X3 M Sport
Join Date: Nov 2012
Location: Falkirk UK

Posts: 103
iTrader: (0)

Keep mine on most of the time, never noticed all that much difference in fuel consumption and it keeps the humidity right and clears condensation during winter.