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Bodykit for BMW M4 chassis number: F32 is a safety device to absorb and slow down external impact force and protect the front and back of the body. Many years ago, the car bumper is stamped with steel plate into channel steel, and the frame rail riveted or welded together, and the body has a large gap, looking very ugly. With the development of automobile industry and the extensive application of engineering plastics in automobile industry, automobile bumper, as an important safety device, is also on the road of innovation. Today’s car front and rear bumper in addition to maintaining the original protection function, but also the pursuit of harmony and unity with the body shape, the pursuit of its own lightweight. The front and rear bumpers of cars are made of plastic, which people call plastic bumpers. The plastic bumper of general car is composed of outer plate, buffer material and beam. The outer plate and buffer material are made of plastic, and the crossbeam is stamped with cold rolled sheet into a U-shaped groove; Outer panels and cushioning material are attached to the crossbeams.
Specification
Product name | BMW parts |
Applicable model | BMW M4 |
Chassis number | F32 |
Feature
Ostensibly designed to avoid the effects of vehicle exterior damage on vehicle safety systems, they have the ability to reduce occupant injury during high-speed impacts, and are now increasingly being designed for pedestrian protection. The bumper is divided into a front bumper and a rear bumper. Its function is to moderate the impact force, absorb the energy of the collision, reduce the damage to the car, and ensure the safety of the occupants when the car is subjected to an accidental mild low-speed collision in the front and rear directions.
However, the role of the bumper is limited. When subjected to a high-speed collision, it can only absorb a small part of the energy and cannot be used for insurance. It can only play a buffering role in the event of a vehicle collision to protect the front and rear car bodies. The materials of the front and rear bumpers are mainly metal materials, plastics, glass fiber reinforced plastics, etc. Some bumpers are equipped with hydraulic cylinders, which can absorb more impact energy. Modern car bumpers are generally injection-molded with rigid polyurethane plastic.
