The 2013 F10 M5 with its 4.4L V8 S63Tu turbo engine has previously been shown to be underrated from the factory, which is BMW’s habit with its official quote power figures.
The latest results showing this come from iND who have just begun performance testing on their F10 M5. The result was 527 RWHP (rear wheel horsepower) on a totally stock F10 M5 running on pump gas and dyno’d on a dynojet. This represents just a 6% drivetrain loss.
The M5′s S63tu V8 runs a higher compression at 10.0:1 (@ 22 PSI), compared to the X5M/X6M S63 engine’s 9.3:1 (@ 17 PSI).
While US customers are still waiting for the new F10 M5 to hit showroom floors later next year, European tuners have begun to have access to and tinker with the 2013 M5. Germany based tuner PP Performance have posted the first independent dyno runs of the F10 M5.
This F10 M5 put down 444 BHP to the wheels on a MAHA LPS 3000 dyno. This translates to an estimated engine power of 573.7 BHP and 721 NM of torque.
Other tuners such as G-Power have already got their hands on and begun tuning on the F10 M5. And with tuners already achieving 750hp with the S63 motor from the X5M/X6M (such as the Manhart biturbo M3), expect the same 700+ hp mark from tuned F10 M5′s.
See the dyno … CONTINUED