BMW Z4 with a S85 V10

BMW Z4 with a S85 V10

The BMW Z4 M Roadster (E85) came from the factory with with a 3.2 L S54 inline-six making 338 horsepower and 269 lb-ft. However Manhart calls this roadster a “MHZ4 600” because of the increased power from a powertrain swap. Instead it’s powered by a 5.0 L S85 V10 from E60 M5 stroked to 5.8 … Read more