2014 BMW M3 V6 rumors return with details

According to InsideLine, BMW is developing a brand new V6 engine that will power the new M3 when it hits the market in 2014.

Source: http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/EeZuF1tD4b8/2014-bmw-m3-v6-rumors-return-with-details

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