Renault & McLaren change diffuser
http://news.bbc.co.uk/sport1/hi/moto...ne/8001001.stm
After a slow start, Renault will be looking to make up ground with a new diffuser
By Sarah Holt
BBC Sport in Shanghai
Renault and McLaren will run with updated diffusers at the Chinese Grand Prix, BBC Sport understands.
Now we will see how good Brawn really is