Tl* the contact owns a 2003 bmw z4. the contact stated that when driving at speeds above 60 mph or when driving in high temperatures above 80 degrees the power steering would fail, making it difficult to steer. the dealer did not offer any assistance. the manufacturer was aware of the failure. no repairs were performed. the approximate failure mileage was 10,000. the current mileage was 43,000. updated 8/29/11 *cn the consumer also stated the traction control light would illuminate. updated 09/26/11