Patent drawings fully reveal the 4 Series Gran Coupe design.
Latest 4 Series Gran Coupe coverage/news: http://www.bimmerpost.com/4-series/f...ries-4-series/
Source: autohome
Latest 4 Series Gran Coupe coverage/news: http://www.bimmerpost.com/4-series/f...ries-4-series/
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