BMW finally drops diffuser protest

(GMM) BMW-Sauber on Thursday finally announced it has formally dropped its protest against the legality of rear diffusers.

Prior to last weekend's Chinese grand prix, the Court of Appeal said the controversial aerodynamic concept was fully legal, following the protest and appeals of the Ferrari, Renault and Red Bull teams.

BMW's similar protest, lodged in Australia, was thrown out on a technicality, so the German team protested again in Malaysia.

It meant the Swiss based camp could theoretically have requested another hearing of the Court of Appeal, despite other previously anti-diffuser teams including Renault and McLaren now using the concept at races.

"We withdrew the protest yesterday," BMW motorsport director Mario Theissen is quoted by the German press as having said in Bahrain on Thursday.

"We do not believe the result would be different if we had another appeal," he added.