BMW's Robert Kubica has been disqualified from this afternoon's Hungarian Grand Prix, after his car was found to be 2kg underweight.

In his debut F1 appearance, the Pole, who was replacing Jacques Villeneuve, finished eighth, despite two spins and an additional pit stop to replace a damaged front wing.

A statement issued by the race stewards read:

"The Stewards accept that the fact of the car being underweight was entirely inadvertent and give credit to BMW Sauber F1 Team for their assistance and cooperation in dealing with this matter.

"The reason for the car being underweight was explained as being attributable to excessive and unexpected tyre wear (and therefore weight loss) arising through continued use of wet weather tyres in comparison to the accustomed and anticipated rate of wear for dry tyres.

"It is the Stewards view that the car did not comply with Article 4.1 of the 2006 FIA Formula One Technical Regulations. The Stewards decision is that the car be excluded from the results."

Kubica's disqualifications means the Michael Schumacher is promoted to eighth position, thus earning the Ferrari driver one point, and reducing Fernando Alonso's championship lead to 10 points.

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