BMW Z4 owners have reported 1 problem related to timing tensioner (under the engine and engine cooling category). The most recently reported issues are listed below.
The contact owns a 2005 BMW Z4. The contact stated that when turning on the vehicle, there was an abnormal noise. The vehicle was taken to a dealer, who diagnosed that the belt tensioner needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 42,800.
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