How to reset the brake pad warning light on BMW 5 Series?
2 Answers
Turn on the ignition, press the reset button for 8 seconds until the oil symbol appears on the multifunction display in the instrument cluster. Press the button again to display the rear brake pad system reset. Select the item that needs to be reset, press and hold the reset button for 3 seconds until the display shows "reset", then press the reset button again until the display shows "OK". Finally, turn off the ignition. Additional information: 1. The brake pad warning system works by inserting a sensor wire into the brake pad. When the brake pad wears excessively, the sensor wire contacts the brake disc or gets worn through, causing a change in resistance that generates an electrical current. This signal is detected, triggering the brake pad warning light on the dashboard. 2. The illuminated brake pad warning light may indicate severely worn brake pads that require immediate inspection and replacement at a service center. It could also mean low brake fluid level - insufficient brake fluid reduces braking power and may even lead to complete brake failure in severe cases, requiring immediate fluid replenishment. Other possibilities include brake system leaks or false alarms, all of which need systematic troubleshooting. 3. If the brake pad warning light comes on while driving, gradually reduce speed and pull over safely. You can visually inspect whether it's a brake pad wear issue, but it's recommended to visit the nearest professional auto repair shop. Technicians can use an automotive computer diagnostic tool to check the ABS system, read fault codes, identify the problem source, and perform necessary repairs based on the diagnosis.
When I previously drove a BMW 5 Series, I encountered an issue with the brake warning light coming on. After replacing the brake pads, the light needed to be reset, otherwise it would keep flashing, which was quite annoying. The specific operation is quite simple: first, ensure the ignition switch is in the ACC position, meaning turn the key to the position where the electrical systems are on but don’t start the engine. Then, locate the trip computer button on the dashboard, press and hold it for about 5 to 10 seconds, and release it once the light goes off. Some models also have control buttons on the steering wheel to access the iDrive menu and find the brake reset option. Before resetting, make sure the new pads are installed; otherwise, even if the light goes off, the brakes might still be in a dangerous state—safety first. I always check the brake pad thickness during every routine maintenance to prevent issues early and save on repair costs.
