LONDON, ENGLAND - JUNE 27: Nick Heidfeld attends Day One at the 2015 FIA Formula E Visa London ePrix at Battersea Park on June 27, 2015 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images)
LONDON, ENGLAND - JUNE 27: Nick Heidfeld attends Day One at the 2015 FIA Formula E Visa London ePrix at Battersea Park on June 27, 2015 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images)