BMW 525i Windshield Wipers Aren't Working

Troubleshooting Common Issues with BMW 525i Windshield Wipers and How to Fix Them

Find Repair Location
Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
75% chance it's the
Wiper Motor
0%
25% chance it's the
Switch
The most common reasons a BMW 525i windshield wipers aren't working are broken wiper motor and issues with the switch.
  • Wiper Motor: A faulty wiper motor or a bad electrical connection can result in intermittent or non-functioning windshield wipers.
  • Switch: A faulty switch can result in intermittent or complete failure of the electrical component it controls, leading to malfunctioning systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a BMW 525i windshield wipers aren't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Inability to control the windshield wipers comes in several forms, and they are all indicative of windshield wiper switch failure. The windshield wipers may not work in all settings, may not turn on when requested, may not move to their parked position when turning off, or the washer pumps may or may not run at random. This is a general list of symptoms, but failure of anything the windshield wiper switch controls will indicate the need for testing the windshield wiper and washer switch.

A failed windshield wiper motor will do one of two things in the event of failure. First, it can intermittently work, meaning when the wiper switch is turned on, the windshield wipers may activate, and run for a random amount of time. This may happen at random, or change with a bump. Lastly, the windshield wipers could show no signs of activity, indicating motor failure.

The moment water touches the windshield, you know if you need new windshield wiper blades. If your wiper blades are torn, cracked, hard, or brittle, it is time for replacement. Wipers should also be replaced if the wiper blades only smear water around, seem to make a mess, streak the windshield, and miss large patches. If you are unhappy with the current wiper blades on your vehicle, this is a very economical change to make.

Windshield wiper arms will be replaced mainly for aesthetic reasons or damage. If the windshield arms become bent or rusted, the windshield wipers may not contact the windshield at the proper angle, or there may be no contact at all. Also, the sun will take a toll on these parts after years of use, and fading or clear coat peeling will result, not to mention rust.

Troubleshooting Non-Functional Windshield Wipers in a BMW 525i

When faced with non-functional windshield wipers in your BMW 525i, it's essential to adopt a systematic diagnostic approach. Begin by checking the fuses, as a blown fuse is often the simplest issue to resolve. If the fuses are intact, the next step is to inspect the wiper relay, which can sometimes fail and disrupt the wiper's operation. Should these components be functioning correctly, turn your attention to the wiper motor itself; signs of inactivity or irregular movement may indicate that it needs replacement. Additionally, examine the wiper arms for any cracks or damage, as these can prevent the blades from making proper contact with the windshield. Finally, ensure that the electrical connector at the base of the windshield is secure and operational, as a loose connection can also lead to wiper failure. By following this structured approach, you can effectively diagnose and address the issues with your windshield wipers, restoring their functionality with confidence.

What to Check When Windshield Wipers Aren't Working on a BMW 525i?

When your BMW 525i's windshield wipers fail to operate, it's essential to systematically check several common problem areas to identify the root cause. Start with the wiper motor, as a malfunction here is often the primary culprit; if the motor is broken, the wipers may not move at all or may operate sluggishly. Next, examine the wiper switch, which can also lead to operational issues if it’s faulty, preventing the wipers from functioning at various speeds or intervals. Additionally, inspect the wiper blades themselves; worn or damaged blades can significantly impair visibility and should be replaced if necessary. Electrical or mechanical problems may also be at play, so testing the wipers manually when the vehicle is off can provide insights into their condition. Don’t overlook the fuse related to the wiper system, as a blown fuse can easily disrupt functionality. Lastly, be mindful of warning signs such as slower-than-usual wiper movement, which can indicate a failing motor. By addressing these components, you can effectively troubleshoot and restore the functionality of your windshield wipers, ensuring safe driving in adverse weather conditions.

Why Are the Windshield Wipers Not Working on a BMW 525i?

When dealing with non-functioning windshield wipers on a BMW 525i, it is crucial to address the issue promptly to ensure your safety on the road. Ignoring this problem can lead to dangerous driving conditions, especially during rain or snow, where visibility is compromised. Start by checking the fuse associated with the wipers, as a blown fuse is a common and easily fixable issue. If the fuse is intact, the next step is to inspect the wiper motor; a faulty motor may require replacement to restore functionality. Additionally, examine the wiper blades for any signs of wear or damage, as torn blades can hinder performance and should be replaced regularly. If the wipers still do not operate, the wiper relay may be malfunctioning, and checking this component is essential. Lastly, ensure that the wiper linkage is functioning correctly, as any jams or breaks in this system can prevent the wipers from moving. By systematically diagnosing these potential issues, you can effectively restore your windshield wipers and maintain safe driving conditions.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.