What happened to the BMW 320 cruise failure?

Cause of the failure of BMW 320 cruise constant speed in Pacific Auto Network: 1, the cruise switch is damaged; 2. Circuit failure; 3.ECU cannot receive the signal of cruise solenoid valve. Constant speed cruise is an automatic driving system. Its working principle is that the cruise control module reads the signal sent by the speed sensor, compares it with the set speed, and then the computer sends an instruction to adjust the valve opening to keep the set speed.

BMW 320li has cruise control, and the switch of cruise control is located on the multifunction button on the left side of the steering wheel. The reason of cruise control is to reduce the driver's fatigue, avoid the fluctuation of engine speed, improve fuel economy, accurately control the driving speed of the car and avoid speeding.

Does the BMW 320 cruise at a fixed speed? The BMW 320 has cruise control. The cruise control operation position of BMW 320 is located on the multifunction button on the left side of the steering wheel. Press the cruise control icon button, and the cruise control will enter the ready state. When the vehicle speed reaches more than 30km/h, dial up to activate the constant speed cruise, and then set the current speed as the driving speed. The speed setting is to toggle the wheel switch in the middle, up to accelerate and down to decelerate. The configuration of BMW 320 includes cruise control, reversing radar, keyless start, reversing video and so on. Its body length is 4753mm, its width is181mm, its height is 1455mm and its wheelbase is 2920 mm. In terms of power, the BMW 320 is equipped with a 2.0L turbocharged engine and matched with an 8-hand automatic transmission. Maximum horsepower 184Ps, maximum power 135kW and maximum torque of 270Nm. The front suspension is a front axle with double ball joint spring shock absorber columns, and the rear suspension is a multi-link independent suspension. Safety configuration includes ABS anti-lock, braking force distribution, braking assistance, traction control, body stability control, etc.

(Photo/Text/Photo: Pacific Auto Network Q&A called Beast)