The fender of British Bentley Mu Shang belongs to the side structure of the car body, and the rear fender of British Bentley Mu Shang is mostly made of plastic, which blocks the pollution of sewage to the soil. British Bentley Mu Shang rear fender accessories are classified, and the body side structural parts include: front shock absorber assembly, rear shock absorber assembly, trunk lid, bottom flange, boarding pedal, boarding pedal, ball head, full car color strip, A-pillar, side frame, door pedal, front wheel eyebrow, wheel eyebrow, front wheel eyebrow, boarding pedal, side window glass, rear wheel eyebrow, bottom flange, side outer panel assembly and external taillight. The side wall is an important structure that constitutes the left and right side walls of the car and constitutes the cockpit. Mainly composed of side walls welded and assembled. It is a supporting roof and connects the side beams at the front and rear of the car body. It is a load-bearing frame for fixing the windshield and is used to install side doors to ensure the safety of the car body from side impact. It should have greater bending and torsion stiffness and strength. The side of the car body is used to connect the bottom, front, rear and top cover of the car body to form the side of the passenger room. The front, middle and rear columns and the upper and lower longitudinal beams form the door frame for installing the car door. As a part of the body side, the rigidity of the body side is weak due to the requirement of the door area.