By GMM

The Renault F1 Team will race a significantly updated R28 car at the British grand prix in July.

The Spanish newspaper Diario AS reports that, following the most recent major step forward for the struggling 2008 car at Barcelona, the centrepiece of the Silverstone upgrade is updated rear suspension.

Engineers are hoping the change results in a two tenth-per lap advantage, the newspaper added, to help the problem most often identified by Fernando Alonso -- the car's general lack of traction.

In Monaco, the BMW-Sauber team became the latest formula one team to fit aerodynamic wheel covers to its cars.

The German team's technical director Willy Rampf, however, cautioned that the outfit has so far identified only certain circuits where the device - fitted only to the F1.08's front wheels at Monaco - are an advantage.

"The results (of the wheel covers) are not consistent," he is quoted as saying by Auto Motor und Sport.

Ferrari were the first to use front wheel covers, which do not rotate as they are attached directly to the central wheel fixture.

Honda's recent addition of the covers was very conspicuous, as they feature the team's globe-style livery.