How to Install BMW Engine Guards
- 1). Position the left engine guard in place to determine what existing bolts need to be removed. Once they are determined, remove them.
- 2). Place engine guard back in location and replace the bolts.
- 3). Mount any additional hardware that may came with your specific models crashbars. Once the guard is mounted, tighten all bolts securely. Repeat process on the right side. Once complete, you will have successfully mounted engine crashbars on your BMW and will no longer damage the engine during a minor fall.
Source...