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)
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
The BMW 520i is a mid to large-sized sedan produced by BMW. As the lowest configuration of the imported BMW 5 Series, the 520i adopts a lighter body, but the body size has not changed. To match this model, it is a 2.2-liter naturally aspirated L6 cylinder engine with a maximum power output of 170 horsepower and a peak torque of 210 Nm, with a compression ratio of up to 10.8. It can accelerate from 0 to 100 kilometers in just 9.9 seconds and a top speed of 226 kilometers per hour
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