Touché.
However the upgrades brought to the European GP were such that the McLaren went from distinctly midfield to top 6. There after Lewis and even Heikki to an extent were in the mix. There is no way a new understanding of KERS could have made that transition.
Didn't they achieve that before at the Nurburgring?
Sorry, my mistake I thought the European GP was at the Nurburgring in 2009 it was of course the German GP.

