How to remove front and rear bumper BMW 5-series E34
Front bumper
-remove side moldings. The front half of the molding on the latch, it should pry off with a screwdriver and pull. The lateral half of the strip on the hooks, it just shrinks.
-under moldings, Unscrew the four nuts, two on each side.
-wheel arches need to pry the edge of the wing flaps and pull them over the edges of the bumper.
-remove the connectors from the fog lights (if equipped)
-remove temperature sensor (in the bumper grill closer to the left side).
-pulls the bumper with the side rails themselves.
Rear bumper
-remove side moldings. The front half of the molding on the latch, it should pry off with a screwdriver and pull. The lateral half of the strip on the hooks, it just shrinks.
-under moldings, Unscrew the four nuts, two on each side.
-wheel arches need to pry the edge of the wing flaps and pull them over the edges of the bumper.
-pulls the bumper with the side rails themselves. The guide is clogged with dirt and not taken, then you can turn the latches under
-moldings and to remove the bumper without guides.