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 X3 introduce

The BMW X3 intelligent all wheel drive system can flexibly and quickly distribute driving force between various axles according to specific road conditions. BMW has also created the concept of a sports and leisure vehicle for new models. You can occasionally drive it to the countryside for some less intense outdoor driving, but most of the time it will patrol the city. So, Components such as non load bearing bodies, solid axles, and non independent suspensions seem to have become relics of the original off-road vehicle. Conservatives believe this is a major deviation, while most customers believe it is a correct response to market demand and should be pleasing, At least it still retains the most desirable advantages of off-road vehicles: a sturdy and sturdy body, spacious indoor space, high seat position, and broad driving vision. The various control components are clear and accurate. The driving control is very agile, with sporty driving performance, very accurate steering, and clear road feel. Driving on multi bend roads can bring more fun to the driver, making you full of confidence. The classic inline 6-cylinder engine runs smoothly and has abundant power, Showcasing BMW's distinctive features