BMW Car magazine's March issue features what is likely to be the only 240 MPH, twin-turbocharged E60 M5 in existence. Put together by Currency Motor Cars in Westlake, California, this blown uber-sedan sports the aforementioned duo of turbos, acres of custom intercooler plumping and a modified exhaust that, when combined with what we'll assume is some pretty creative ECU tuning, creates an astounding 810 horsepower.
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