2166582 Compression tester MP: Notes
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Electronic compression pressure-measuring device used for measurements on gasoline and diesel engines. The device's measuring range is 0-50 bar.