Brake Master Cylinder problems of the 2004 BMW 645

The contact owns a 2004 BMW 645ci. The contact stated that the vehicle was repaired under NHTSA campaign id number 10v446000 (service brakes, hydraulic:power assist:vacuum). The contact stated that a year after the repairs were completed, a brake failure occurred and there had not been a failure present before the vehicle was serviced under the recall. The vehicle was taken to the dealer where it was confirmed that the master cylinder and booster had failed. The vehicle was not repaired. The manufacturer was contacted about the issue. The failure mileage was 150,000 and the current mileage was 150,100.