E63s vs M5 is very close. If Carwow's M5 is and E63 had similar tyres the outcome of the race has been in favour for M5.
The E63 also comes with Michelin's new Pilot Sport 4 S tire, which provides great traction. Carwow's M5 is running on Pirelli P Zeroes.
http://www.tyrereviews.co.uk/Tyre/Mi...-Sport-4-S.htm
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