Withdrawal
1. Remove the bumper cover (if she is) and where necessary, a front spoiler.
2. Disconnect all wiring and other components that may interfere with bumper removal.
3. Support the bumper with a jack or axle support. You can also ask an assistant to support the bumper while releasing the bolts.
4. Give fixing bolts and remove a bumper.
Installation
Install in reverse order. Tighten the mounting bolts securely, then install the bumper cover and all other previously removed components.