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What is the method to eliminate the fault code after replacing the BMW key battery?

1 Answers
LaWilliam
07/29/25 11:41am
The method to eliminate the fault code after replacing the BMW key battery is to visit a 4S shop to have the car key rematched. The functions of a car key include: 1. Automatically closing the windows after turning off the engine; 2. Conveniently locating the car in a parking lot; 3. Automatically opening the trunk; 4. Remotely opening the windows. Types of car keys include: mechanical keys, remote keys, touchscreen LCD keys, and smart wristband keys. Precautions for using car keys are: 1. Do not place them together with electronic devices; 2. Avoid exposing the key to high temperatures or direct sunlight; 3. Do not use batteries with different power levels.
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How to accurately judge the 30 cm distance when reversing into the parking space?

When the lower edge of the left rearview mirror aligns with the stop line, you can turn the steering wheel fully to the right and slowly reverse while controlling the speed. When the rightmost line becomes visible and the distance between the car body and the corner of the parking space is about 30 cm, turn the steering wheel back halfway. After confirming that the right rear wheel can smoothly enter the parking space, observe the left rear wheel. Use slight adjustments to correct the vehicle's position. When the car body is parallel to the parking space line, quickly straighten the steering wheel. Adjust by turning the steering wheel toward the side with more space. When the lower edge of the left rearview mirror aligns with the parking space line, you can press the brake to stop.
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How to eliminate the constant illumination of the motorcycle malfunction indicator light?

First, inspect the connection from the generator's excitation winding lead through the brushes to the regulator. Recheck the connections of the three-phase winding leads through the diodes, neutral point to the regulator, then inspect the wiring of the indicator light, switch, regulator, and battery. When confirming a regulator fault, first identify the issue, typically starting with checking whether the contacts are burnt, dirty, or not conducting, and if the contact return spring has failed.
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How to Check Another Person's Vehicle for Traffic Violations?

Search for the 'Comprehensive Traffic Safety Service Platform'. After entering the website, click on 'Information Query'. Then select the 'Motor Vehicle Violation Query' option. Finally, after entering the correct information, click the 'Query' button.
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How to Check the Authenticity of a Driver's License?

Search for the official website of the local Public Security Department in a search engine, and find the "Online Vehicle Management Office" on the official website. On the opened "Online Vehicle Management Office" page, click on "Personal Driver's License Information Query". Locate the supplementary page of your driver's license and find the "File Number" of the license on it. Then, on the newly opened page, enter the "Driver's License Number", "Name", and "File Number", and click the "Query" button. An interface will then open indicating that the driver's license is authentic. If the page displays an error, the driver's license is fake.
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How is the 2-second stop judged in Subject 2?

If the vehicle stops for more than 2 seconds during the test, it will be judged as an intermediate stop. The computer's standard for judging an intermediate stop is that the wheels move no more than 10 centimeters within 3 seconds. The test computer uses sensors and computer recognition analysis. When the wheels move no more than 10 centimeters within 3 seconds, it will be judged as an intermediate stop. The reason for intermediate stops is usually improper clutch control. Clutch control must follow the principle of 'press quickly, release slowly.'
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What is the gasoline pressure?

Automobile gasoline pressure normally ranges between 300 to 350 kPa. Classification of gasoline systems: There are two types of automobile fuel systems: the full return system and the partial return system. The difference between them is that the full return system has a return fuel line on the fuel rail. Source of gasoline: Gasoline is a volatile and flammable hydrocarbon mixture liquid derived from the distillation and cracking of petroleum, used as fuel. It appears as a transparent liquid, is flammable, and has a distillation range of 30 to 220 degrees. Its main components are C5 to C12 aliphatic and naphthenic hydrocarbons, along with a certain amount of aromatic hydrocarbons. Idle working pressure: The reading on the fuel pressure gauge when the engine is idling is the idle working pressure of the fuel supply system, generally 0.25 MPa or as specified by the vehicle's technical requirements. When testing the idle working pressure, the fuel pressure should rise to 0.3 MPa upon removing the vacuum tube from the fuel pressure regulator; otherwise, the fuel pressure regulator should be replaced.
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