2012 BMW Z4 sDrive Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2012 BMW Z4 sDrive
2012 BMW Z4 sDrive Recalls
These vehicles use a vacuum pump to supply power assist for the braking system. The vacuum pump can fail unexpectedly due to insufficient lubrication. This would reduce braking efficiency, increasing the risk of a crash. Dealers will make modifications to allow for proper lubrication of the vacuum pump in order to correct this concern.