Front door interior panel introduce

The part names of the interior panel of the left front door, from top to bottom, are: left front door glass, left front mirror, left front glass sealing strip, those with decorative strips on the outside are called left front door decorative strip. The left front door is decomposed into left front door, mirror, glass, door lock, door glass controller, door glass elevator, mirror controller, left front door interior panel, handle, etc. The car is structurally divided into frame, outer panel, chassis, engine, interior, glass, tire, and is functionally divided into electrical system and driving system Driving system, oil and gas system, filtration system, control system, cooling system)

Installation method of front door interior panel/rear door interior panel

1、 Prepare tools and work vehicles or workbenches. 2. Open the car door to its maximum size for easier operation of the hinge support. Place a bracket at the lower edge of the car door to support the weight of the door and protect it. Unscrew the window glass. In this example, the disassembly of the car door will be mainly introduced. If the car door needs to be disassembled before disassembly, the outdoor rearview mirror should be removed. 3. Disconnect the wire connector between the car door and the vehicle body to separate the door wiring harness, If necessary, first remove the inner decorative parts on the pillar. 4. Remove the clamp at the bottom of the door stopper locking pin and extract the locking pin from the hole. 5. Hold the door and remove the connecting bolt of the door hinge support. After removing the door, place it vertically on a padded surface. If only the door needs to be removed for maintenance, it is recommended to complete the disassembly of the door by removing the hinge connecting bolt instead of the fixed bolt, This can reduce the adjustment work of the car door. 6. Check the sleeve of the car door chain, replace it if necessary, lubricate the hinge joint, place the car door back on the hinge support, and reinstall the bolts. 7. Connect the door limiter, install the stop lock pin and locking plate, and connect the electrical plug. 8. Close the car door, check if it is aligned, and if there is no problem, tighten the hinge fixing bolts. 9. Note that if the front door is disassembled and assembled, it is necessary to install the rearview mirror back

BMW 328Li introduce

The BMW 328Li has no significant configuration differences in the front part of the car. The hood extends in a wedge-shaped shape from the upper edge of the headlights to the lower edge of the front windshield, and the multi edged design makes the new hood look more dynamic. The enlarged front grille is a prominent feature of this generation of 3 Series, and the new headlight group closely connected to the grille is more aggressive. The chrome plated decorative strip in the fog light area, which is unique to the new 3 Series, is firmly covered by black tape, But the overall lines are clearly exposed. The side of the BMW 328Li can be clearly seen to be different from the overseas version of the 3 Series. The size of the rear door has a more obvious increase, and the line at the back of the side skirt tends to be more straight. This also means that it will be an authentic domestic new 3 Series sedan, which will provide more abundant rear seating space for Chinese consumers. The BMW 328Li will be equipped with a brand new 4-cylinder turbocharged engine, The maximum power is 240 horsepower, matched with a brand new 8-speed automatic transmission. The first six gears of the new transmission adopt a 1:1 gear ratio, and the last two gears are super ratio gears, which can help reduce fuel consumption during high-speed cruising