Rear bumper
1 - bumper beam
2 - shock absorber
3 - sealing gasket
4 - cover
5 - bumper lining
6 - left side wall support
7 - bar left
8 - hole cover for towing
9 - central bar
10 - lower visor
11 - lower visor, for models with warning of dangerous proximity when parking (PDC)
The front bumper is designed in such a way that it can withstand a head-on collision at a speed of 4 km/h without damage. In this case, the impact energy is perceived through an aluminum beam located inside and two hydraulic shock absorbers.
Withdrawal
1. Remove the left and right rear visors of the wheel arches -1-. To do this, remove the two bolts -2-. Remove the pins -3- with a screwdriver, then remove the clips. After that, remove the visors from the side of the bumper.
2. Open the trunk and remove the left side trim, refer to Section Removal and installation of facing of the back panel.
3. Models 316i, 318i: Remove the right side trim and take out the right pocket, refer to Section Removal and installation of facing of the back panel.
4. Models 320d, 320i, 323i, 328i: Remove the battery cover, refer to Section Removing and installing the battery.
5. Turn away three nuts of fastening of a bumper at the left and on the right a key on 13 mm. Remove the top nut cover first.
6. For vehicles with a parking proximity warning system, remove the cover -1-. In this case, first disconnect the locking tabs from below, and then pull back the remaining part of the visor and disconnect it at points -3-. Disconnect the plug connections of the ultrasonic transducers and remove the visor. Detach the cable holder at the bottom left.
7. Remove the bumper with the help of an assistant.
Installation
8. If necessary, complete the bumper.
9. If necessary, put on the shock absorber -2- the plastic cover -1- and the seal -3-. When removed, the cover often remains in the shock absorber mount.
10. With the help of an assistant, insert the bumper into the side guides and move it forward, press the front part from the side and move it forward until it stops.
11. For vehicles with a parking proximity warning system, attach the cable holder to the bottom left. Connect the plug connections of the ultrasonic transducers and fasten the visor.
12. Slightly raise the rear bumper, set it parallel to the body and secure with a torque of 20 Nm. The distance between the bumper and the body must be 5±1 mm.
13. The height of the bumper is adjusted with the shock absorber removed by rotating the plastic insert with an internal hexagon in the shock absorbers.
14. Replace the top mounting nut covers.
15. Insert the rear wheel arch covers on the left and right and secure them. Insert two rivets and press the pins all the way.
16. Models 320d, 320i, 323i, 328i: Reinstall the battery cover, refer to Section Removal and installation of facing of the back panel.
17. Models 316i, 318i: Install the right side trim and right pocket, refer to Section Removal and installation of facing of the back panel.
18. Install the left side trim, refer to Section Removal and installation of facing of the back panel.