Sand the Big Worry for Schumacher

Michael Schumacher fears sand could play havoc with Sunday's Bahrain Grand Prix despite efforts to glue down the desert.

"The big question mark in Bahrain is the sand," the Ferrari driver, winner of both races so far this season, told his website before Formula One's first Grand Prix in the Middle East on Sunday.

"Everyone's wondering what effect it will have, whether the sand will get into the works or not."

Track workers have covered the fine coral sand around the Sakhir circuit with a special glue to try and ensure it does not cause problems. However most teams doubt that will eliminate the problem.

"We are anticipating drifting sand, both on and off the track, in Bahrain," said BMW motorsport director Mario Theissen, engine partner to title challengers Williams.

"This will not only limit the level of grip on the track but, in terms of the engine, the air filter will play a more crucial role as it will have to prevent sand from getting into the engine through the air inlets and causing damage."

BAR's Briton Jenson Button, who celebrated his first podium finish with a third place at the last race in Malaysia, agreed.

"The sand will worry us more than the heat," he said. "There will be sand all over the circuit and it could damage the engine."

Bahrain marks a step into the unknown for all the teams as the first new circuit visited by Formula One since the United States Grand Prix made its debut in 2000.