What Causes the Failure of the Parking Distance Warning System in BMW 5 Series?
2 Answers
BMW 5 Series Parking Distance Warning System failure is mostly caused by a malfunctioning sensor radar. Below are the specific reasons and solutions: 1. Specific Reasons: The failure of the BMW 5 Series Parking Distance Warning System is mostly due to a malfunctioning sensor radar, which cannot accurately estimate the parking distance, leading to the failure of the parking distance warning system. There are two possible scenarios for sensor radar malfunction: one is an issue with the radar itself, and the other is obstruction by foreign objects. 2. Solutions: Have the car radar inspected at a 4S shop, where technicians will carry out the necessary repairs; clean the radar to ensure its surface remains clean and free from any foreign object obstruction.
I was driving my BMW 5 Series when the parking sensor alarm failed. That day, while reversing, I almost hit a pillar—heart-stopping moment! After checking, I found the sensors were clogged with mud and bugs. A simple rinse fixed the issue. This problem is common in rainy or dusty environments, as the sensors are located on the front and rear bumpers and easily get covered. Additionally, if the sensors themselves are damaged or the wiring is loose, they might not work, requiring a trip to the shop for replacement parts. Otherwise, parking becomes unsafe. My advice: clean them during every car wash to avoid trouble. Also, software updates can occasionally cause bugs—try restarting the car’s system. Always use the rearview camera as a backup, not just relying on the alarm system.
