crossmember introduce

Yuanbaoliang, the concept of "subframe", is a new term often used in car books. This component is not only found in Volkswagen cars, but also in other car models. The subframe is not a complete frame, but only a bracket that supports the front and rear axles and suspension, connecting the axles and suspension to the "main frame" through it, commonly known as the "subframe". The function of the subframe is to block vibration and noise, reduce their direct entry into the car compartment, so it is mostly found in luxury sedans and off-road vehicles. Some cars even install subframes for engines)

Yuanbaoliang/subframe installation

1: Two horns of the gearbox: 2. Return oil pipe and oil pipe of the steering gear. 3. Half shaft and balance rod. Direction rod. 4. Connection of the steering intermediate shaft to the steering gear. 5. Installation of four fixing screws for the Yuanbao beam. 1. Fixation of four screws and intermediate shaft. 2. Two oil pipes. 3. Horn, half shafts and pull rods on both sides

BMW 120i introduce

BMW's 1 Series sedan was officially launched in 2004 and has been active in the high-end compact sedan market since then. With the mid-term facelift in 2007, multiple versions were launched on top of the original two door and five door version, including two door and three door, three door and three door, and three door convertible. In June of this year, the first to enter the Chinese market was the mid-term facelift two door and five door version, which is divided into three versions: 120i manual, 120i automatic, and 130i automatic