Rear bumper leather introduce

The exterior decoration of the metal anti-collision crossbeam. The function of the rear bumper: 1. Safety protection function; 2. Relieve external impact forces; 3. The role of protecting pedestrians; 4. Decorative; 5. Improve the aerodynamic performance of the vehicle. The rear bumper is composed of an outer panel, cushioning material, and crossbeam, which have certain elasticity and good force absorption characteristics. It is a safety device that absorbs and mitigates external impact forces and protects the rear of the vehicle)

The method for replacing the rear bumper is:

The method for replacing the rear bumper is as follows: 1. Remove the cover, clip, screw, and bolt of the rear bumper; 2. Pull the bumper in the wheel arch area; 3. Remove the bumper from the side and replace it with a bumper of the same model. The rear bumper is a crossbeam under the rear light

BMW 740Li introduce

The BMW 740Li is a high-end luxury sedan produced by BMW Germany. It belongs to the BMW 7 Series and is only produced locally in Germany. The new 740Li is equipped with a 4.0-liter V8 engine, which is an upgrade from the old 3.6-liter V8 engine. After a minor facelift, the new 7 Series has a more friendly appearance. In addition to using BMW's Double VANOS dual camshaft variable valve timing system, the new engine also uses a continuously adjustable Valvetronic electronic valve drive mechanism, significantly reducing fuel consumption and emissions. The maximum power of the engine is 225 kW, and the maximum torque is 390 Nm. The new i-drive system has also been upgraded to accelerate from stationary to 100 km/h in just 4.6 seconds, making operation faster and more convenient. However, it is still the most complex system among all BMW models