Power assist braking performance could be adversely affected. In extreme cases there could be a complete loss of power assist braking. An unexpected reduction or loss in power braking assist may increase the risk of a crash.
BMW is recalling certain model year 2004-2010 5-series, 6-series, and model year 2002-2008 7-series vehicles. A check valve of the brake vacuum pump may leak a small amount of lubricating oil. Over time this could result in contamination of the brake booster.
BMW will notify owners and dealers will repair the vehicles free of charge. The safety recall began on November 24, 2010. Owners may contact BMW at 1-800-525-7417.
