Due to the risk of losing power brake assist, BMW has issued the recall of around 30,000 of its 2007-10 X5 sport utility vehicles with V-8 engines, according to a report submitted to the safety agency National Highway Traffic Safety Administration. This same problem had cropped up in 2010 in a recall that covered 200,000 BMW vehicles.
In the recent filing to the NHTSA, BMW said that the brake booster may fail. The brakes may continue to function even then but power assist could be gone. BMW determined that the problem stems from a check valve of the brake vacuum pump that leaks a small quantity of lubricating oil into the vacuum hose. If this oil enters the brake booster, it may fail.
This is the exact same defect that led to the 2010 recall. But then, BMW explained that at the time, the X5s were not included in the recall since the brake line on the X5 “has an upward routing in comparison to the horizontal routing” on the units included in the 2010 recall. BMW said that no recall was required since it believed that upward routing was less vulnerable to the problem.
BMW figured that that there should now be a recall since the number of warranty claims on the X5s has climbed. One year ago, BMW agreed to settle a fine of $3 million over the agency’s conclusion that its review of 16 recalls had found that BMW had not been prompt all the time in carrying out recalls.
The fine was paid but it didn’t make any admission of wrongdoing. Separately, Chrysler is issuing a recall of 3,660 units of the 2003-04 Dodge Vipers due to the risk that air bags may deploy unintentionally.