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BMW M5 may get KERS system

KERS uses the stored energy for extra power and the touch of a button.

Well that's one of the rumours coming out of Europe as BMW's M division moves into top gear for the next-generation M5.

Unlike typical regenerative braking systems, KERS uses the stored energy for extra power and the touch of a button.

The next-generation 5 Series upon which the M5 is based is expected to be shown at this year's Frankfurt Motor Show with the M5 expected to follow late next year or early 2011.

BMW Australia's Toni Andreevski says he's not aware of the next-generation's M5's specification, or powerplants.

Some reports have suggested BMW will downsize from the massive V10 to a twin-turbo V8 while other sources are suggesting the V10 will grow in capacity to 5.5-litres developing around 410kW and introduce direct injection and turbocharging.

"Whether or not the new M5 would have a smaller overall capacity or less cylinders, I guess the first priority is to make sure the performance meets what an M5 buyer expects," Andreevski says.