Heidfeld criticizes Bridgestone’s 2009 tires

(GMM) Nick Heidfeld is not the only formula one driver openly critical of Bridgestone's current tires, the German magazine Auto Motor und Sport reports.

This weekend's Hungarian grand prix is the first race since the sport's official supplier scrapped its policy of leaving a gap between the compound stiffness of its two available tires.

But BMW-Sauber driver Heidfeld said after Friday practice: "I'm afraid the tires are still not really good."

The German press report said many drivers support the 32-year-old's view, regarding the inconsistency of the 2009-spec slick tires. He also said the tires are too sensitive to ambient and track temperatures.

"Tiny differences can have a large effect," Heidfeld commented, revealing he has made his opinion "forcefully" known to the Japanese manufacturer.

"But nothing happens," he added. "Whatever Bridgestone makes is always going to win."

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