BMW Mirror mounts fit into the unused mirror holes, left or right side. Standard 2.25 x 3'' with three mounting holes to allow left, right and center mounting options. Also has 1/4'' hole for thumb screw. Suggested uses: GPS, radar detectors, toll transponder, cell phones, radios, cameras, change holders, garage door openers, garage door openers, dynaJet displays. Kit Includes: Velcro + tools