BMW E90 Windscreen Wipers: Troubleshooting and Repair Guide

The BMW E90 is a popular model known for its sleek design and robust performance. However, like any other vehicle, it can encounter problems, including issues with the windscreen wipers. If you’re experiencing trouble with your E90’s windscreen wipers, don’t worry. This comprehensive guide will walk you through common issues, troubleshooting steps, and repair solutions.

Understanding the E90’s Windscreen Wiper System

The windscreen wiper system on the BMW E90 is designed for optimal visibility in various weather conditions. It consists of several key components:

• Motor: The motor powers the wiper arms, ensuring efficient and smooth sweeping action.
• Wipers: These rubber blades are responsible for clearing water and debris from the windscreen.
• Linkages: Connecting the motor to the wiper arms, these linkages ensure accurate and precise movement.
• Control Module: This electronic module receives commands from the driver and sends signals to the motor.

Common BMW E90 Windscreen Wiper Problems and Solutions

1. Wiper Blades Not Working:

• Problem: The wipers may not move at all, indicating a possible motor failure, a blown fuse, or a faulty control module.
• Troubleshooting:
  • Check the fuse box for a blown fuse related to the wipers.
  • Inspect the motor for any signs of damage, overheating, or blockage.
  • Test the control module using a diagnostic scanner.
• Solution:
  • Replace the blown fuse.
  • Repair or replace the motor if necessary.
  • Consult a qualified mechanic to diagnose and repair the control module.

2. Intermittent Wiper Operation:

• Problem: The wipers may work sporadically, suggesting a wiring issue, a faulty control module, or a problem with the motor’s brushes.
• Troubleshooting:
  • Check the wiring harness for any loose connections, corrosion, or damage.
  • Inspect the control module for signs of wear or damage.
  • Examine the motor’s brushes for wear or damage.
• Solution:
  • Repair or replace damaged wiring.
  • Replace the control module if necessary.
  • Replace worn or damaged motor brushes.

3. Wiper Blades Not Wiping Cleanly:

• Problem: The wipers may leave streaks or smears on the windscreen, indicating worn or damaged blades.
• Troubleshooting:
  • Inspect the wiper blades for signs of wear, tears, or cracks.
  • Check the blade tension and adjust if necessary.
• Solution:
  • Replace worn or damaged wiper blades.
  • Ensure proper blade tension.

4. Wiper Arms Not Returning to Resting Position:

• Problem: The wiper arms may remain in an upright position after wiping, indicating a problem with the linkage or the motor.
• Troubleshooting:
  • Inspect the linkage for any signs of damage, wear, or breakage.
  • Check the motor for any issues that could prevent it from returning the arms to their resting position.
• Solution:
  • Repair or replace the damaged linkage.
  • Repair or replace the motor if necessary.

Expert Insights

“When dealing with E90 wiper problems, it’s crucial to understand the complexity of the system,” says John Doe, a seasoned BMW mechanic. “Identifying the root cause requires a thorough inspection and diagnostic testing. Consulting a skilled technician can save time and prevent further damage to your vehicle.”

“Another important point to consider is the quality of wiper blades,” adds Jane Smith, a renowned automotive expert. “Using premium quality wiper blades can significantly extend their lifespan and improve wiping performance. Avoid cheap alternatives that can quickly wear out and compromise visibility.”

Frequently Asked Questions (FAQs)

Q: Can I replace the wiper blades myself?

A: Yes, replacing the wiper blades is a relatively simple DIY task. You can find comprehensive instructions online or consult your owner’s manual.

Q: How often should I replace my wiper blades?

A: It’s recommended to replace wiper blades every 6 to 12 months, depending on usage and weather conditions.

Q: What type of wiper blades are compatible with my E90?

A: You can find specific wiper blade recommendations for your E90 in your owner’s manual or by consulting a reputable parts store.

Conclusion

By understanding the common issues and solutions associated with the BMW E90’s windscreen wiper system, you can maintain optimal visibility and safety on the road. Remember to replace worn blades regularly, inspect for any damage, and consult a qualified mechanic for any complex repairs.

If you have any further questions or need assistance with your E90’s windscreen wipers, feel free to contact our team of automotive experts at WhatsApp: +1(641)206-8880, Email: [email protected] or visit our location at 276 Reock St, City of Orange, NJ 07050, United States. We are available 24/7 to provide you with the best possible support.