BMW has issued a global recall on some 176,000 models fitted with a 2.0-liter four-cylinder turbocharged gasoline engines from the 2012-2014 model years, and specifically, the N20 and N26 codenamed units, because of a problem with the power brake system.
The technical description of the problem from BMW reads:
"An oil plug in the intake camshaft may become displaced, restricting oil supply to the vacuum pump. Due to insufficient lubrication, the vacuum pump that supplies brake power assistance may fail. A failure of the brake vacuum pump results in a reduction in braking power that could increase the risk of a crash."
Affected models in the BMW range include the 2012-2014MY 320i, 328i, 320i xDrive, and 328i xDrive sedans; 2014MY 328i xDrive Sports Wagons; 2012-2013MY 528i and 528i xDrive sedans, 2013-2014MY X1 sDrive28i and X1 xDrive28i and 2012-2014MY Z4 sDrive28i roadsters.
According to the Bavarian manufacturer, 76,191 of the recalled vehicles are in the United States, with some 9,400 in Canada, 25,000 in China, 6,800 in Germany and the rest in other countries around the globe.
