Renault to trial revised MGU-K in Bahrain F1 test

Concerns about the reliability of its new MGU-K in pre-season testing led it to adopt a no-risk strategy in the opening races by reverting to last year's specification. It was not ideal for the works outfit and customers Red Bull and Toro Rosso given the older spec is 5kg heavier and requires an extra 1kg air bottle for cooling. But after investigations at Renault's engine base at ... Keep reading