how to reset the check engine light in my BMW 3 Series G20/G21 (2019-2024)?

Solution

1. Preparation

• Gather necessary tools, including an OBD-II scanner and a vehicle owner's manual.
• Ensure the vehicle is parked on a level surface and the ignition is off.

2. Connect the OBD-II Scanner

• Locate the OBD-II port, typically found under the dashboard near the driver's side.
• Plug the OBD-II scanner into the port.

3. Turn on the Ignition

• Turn the ignition key to the "On" position without starting the engine, or press the start button without pressing the brake pedal if equipped with a push-button start.

4. Access the Diagnostic Menu

• Follow the prompts on the OBD-II scanner to navigate to the diagnostic menu.
• Select the option to read stored error codes.

5. Clear the Error Codes

• Use the scanner to select the option to clear or erase error codes after noting any issues.
• Confirm the action when prompted.

6. Disconnect the Scanner

• Safely remove the OBD-II scanner from the port.
• Turn off the ignition.

7. Verify Reset

• Start the engine and check if the check engine light is off.
• Monitor the dashboard for any reappearance of the light during operation.