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2016-BMW-M8 While the M8 was never produced, it is interesting to note that the 850CSi was also tuned by BMWs M division. Aside from sporting a M-tuned engine (as identified by the S suffix instead of the M prefix that a non-M tuned engine would wear), the cars VIN identifies the car as being built by BMW Motorsport (identified by the WBS prefix) instead of BMW AG (WBA prefix). This effectively identifies the 850CSi as essentially a detuned version of the M8
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