Spy Shots: BMW Engineers Hone the Next M3 Sedan on the Nürburgring

We may be in the midst of August but BMW engineers are hard at work developing the Bavarian firm's upcoming models such as the next M3 that our spy shooters captured lapping the Nürburgring just earlier today.

While technically this is the fifth generation of the M3 series, BMW has produced only two sedan versions of its high-performance model based on the 1990-1999 E36 and the 2005-2011 E90 3-Series respectively.

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