BMW I3 Windshield Wipers Aren't Working

Common Causes of Non-Functional Windshield Wipers in Your BMW i3 and How to Fix Them

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Reviewed by
Devin Cabugcal
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 i3 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 i3 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.

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 i3

When faced with non-functional windshield wipers in your BMW i3, it's essential to adopt a systematic diagnostic approach. Begin by checking the washer fluid reservoir to ensure it has enough fluid, as a lack of fluid can prevent the wipers from functioning properly. Next, inspect the wiper blades for any signs of wear or damage, as ineffective blades can hinder visibility and may need replacement. If the blades are in good condition, turn your attention to the wiper motor, which is crucial for operation; testing it for power can help determine if it’s functioning correctly. Additionally, examine the wiper assembly for any blockages or debris that could impede movement. If the motor appears to be the issue, consider resetting the wiper position by turning off the vehicle and manipulating the wiper stalk, which can sometimes resolve operational glitches. By following this structured approach, you can effectively diagnose and address the problem with your windshield wipers, ensuring safer driving conditions.

What to Check When Windshield Wipers Aren't Working on a BMW i3?

When your BMW i3's windshield wipers fail to operate, it's essential to systematically diagnose the issue to restore functionality. Start by examining the wiper motor, as a malfunction here is often the primary culprit. If the motor appears intact, the next step is to inspect the wiper switch for any signs of failure, as this component directly controls the wipers. Additionally, ensure that the vehicle's charging system is functioning properly, as electrical issues can lead to unexpected wiper behavior. In regions with extreme temperatures, consider the possibility of climate control failures affecting the electrical system, which may indirectly impact the wipers. Don't overlook the condition of the wiper blades themselves; damaged or worn blades can hinder performance and create the illusion of a more significant issue. Lastly, check the wiper relay, as problems here can disrupt the power supply to the wipers. By methodically evaluating these components, you can effectively troubleshoot and resolve the wiper issues on your BMW i3.

Why Are the Windshield Wipers Not Working on a BMW i3?

When your BMW i3's windshield wipers fail to operate, it is crucial to address the issue without delay. Ignoring symptoms such as wipers not functioning, unusual noises, or the washer not spraying can compromise your visibility during inclement weather, significantly increasing the risk of accidents. Common culprits include a malfunctioning wiper motor or a faulty switch, both of which can escalate into more severe electrical problems if left unchecked. Additionally, water intrusion in the motor or clogged drain holes can lead to further complications, potentially damaging other components. In some cases, a simple software update may resolve the issue, but accurate diagnosis is essential for effective repair. Furthermore, resetting the wiper drive contact can protect the motor from thermal overload, ensuring it operates smoothly. To prevent safety risks and costly repairs, it is advisable to troubleshoot and resolve any windshield wiper issues as soon as they arise.

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