engine computer introduce

The car engine computer is the core part of electronic controlled cars nowadays, and its functions can be simply put as two: 1. receiving signals from various sensors and calculating corresponding data; 2. Control the fuel injection, ignition, and idle intake of the car engine based on the calculated data to ensure the normal operation of the engine and minimize engine emission pollution. 3. If the engine computer board is damaged, the following situations may occur: 1. The engine malfunction light is on, but then catches fire and the vehicle shakes; 2. The car is difficult to start, with no ignition or fuel injection, and internal program disorder. There are many symptoms of the engine computer board being broken, with minor ones being the engine malfunction light coming on and then catching fire. The vehicle shakes, making it difficult to start. In severe cases, the vehicle may be unable to start, with no ignition or fuel injection, and internal program disorder)

Installation method for engine computer

1. Use a T20 screwdriver to disassemble the screen and a 10mm hexagonal socket to disassemble the brake light. 2. Use a plastic pry bar to disassemble the panel, pry the pry bar firmly to loosen it, and unscrew the four screws of the host using t20. 3. Use t20 to unscrew the four screws around the host and pull them out, connecting three wires to the back. 4. Use a 10mm socket to disassemble three reversing lights, and the power of the rear camera is also connected to the black negative wire and the white green positive wire of this light

BMW 220i introduce

The practicality of sports cars is generally not very high, and when it comes to a two door sports car, people will think of various flashing lights. However, the BMW 220i seems a bit different, with a sporty touch, but the style is quite simple? Few brands pay attention to the narrow market. However, BMW is different. It is a sports car, but it also likes to integrate the concept of sports cars into various elements, such as two door, four door, five door, and even off-road vehicles. The reason why BMW 220i is different is because it does not follow the trend and is low-key. There are no fancy gimmicks, such as hidden rear doors or trunk, and the level of simplicity is completely different from BMW