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#EnginePatent
BMW Patents Bi-Turbo V6 Engine, Rumored for Next Generation M3
Rumors are flying left and right on what BMW has in the works to power the next-generation M3/M4, with four potential engines being spoken of. These include a turbocharged 4.4L V8, turbocharged 4.0L V8, a 3.2L inline-6 with three turbochargers and now BMW has filed a patent for a uniquely-designed twin-turbo V6.