BMW E39 Windshield Washer Hose: Troubleshooting, Replacement, and Maintenance

When it comes to ensuring a clear view while driving, the BMW E39 windshield washer hose plays a crucial role. This comprehensive guide delves into the intricacies of this essential component, providing a thorough understanding of its function, common issues, and maintenance practices.

From identifying leaks and clogs to replacing the hose with ease, this guide equips you with the knowledge and instructions to keep your windshield washer system functioning optimally. Dive in and discover the secrets to maintaining a pristine windshield, ensuring a safe and enjoyable driving experience.

Windshield Washer Hose Overview

The windshield washer hose is a crucial component of the BMW E39’s windshield washer system, responsible for delivering washer fluid from the reservoir to the windshield nozzles.

These hoses are typically constructed from durable materials like rubber or plastic, ensuring longevity and resistance to the harsh conditions under the hood.

Diagram of BMW E39 Windshield Washer Hose System

The diagram below illustrates the BMW E39 windshield washer hose system, showcasing the various components involved in the fluid delivery process.

To tackle that pesky windshield washer hose issue on your BMW E39, you’ll need to know how to pronounce “BMW” correctly. Check out this helpful guide how bmw pronunciation to master the pronunciation. Once you’ve got that down, you can confidently replace that washer hose and keep your windshield sparkling clean.

  • Windshield washer reservoir
  • Windshield washer pump
  • Windshield washer hoses
  • Windshield washer nozzles

Common Issues and Troubleshooting: Bmw E39 Windshield Washer Hose

Windshield washer hoses are essential for keeping your windshield clean and clear, but they can develop issues over time. Here are some common problems and how to troubleshoot them:


Leaks are one of the most common problems with windshield washer hoses. They can be caused by cracks, holes, or loose connections. To troubleshoot a leak, first check the hoses for any visible damage. If you find any cracks or holes, you will need to replace the hose.

If the hoses are not damaged, check the connections to make sure they are tight. You can use a wrench to tighten the connections.


Clogs are another common problem with windshield washer hoses. They can be caused by dirt, debris, or mineral deposits. To troubleshoot a clog, first try to clear the clog by running water through the hose. If this does not work, you can try using a wire or a pipe cleaner to clear the clog.


Windshield washer hoses can also be damaged by rodents or other animals. If you find that your windshield washer hose has been damaged, you will need to replace it.

If your BMW E39’s windshield washer hose needs replacing, it’s important to ensure you get the right part for your vehicle. But while you’re at it, have you ever wondered if BMWs can handle snowy conditions? Find out in this informative article: Can BMWs Drive in Snow? Once you’re back from your winter adventure, don’t forget to replace that windshield washer hose to keep your E39 in tip-top shape.

Replacement and Installation

Replacing the windshield washer hose in a BMW E39 is a relatively straightforward process that can be completed in about an hour. However, it is important to take safety precautions and have the necessary tools before starting.

Safety Precautions

* Park the vehicle on a level surface and engage the parking brake.

Replacing the BMW E39 windshield washer hose is a relatively straightforward task, but it’s worth noting that BMW is a German automaker. If you’re curious about the company’s origins, you can check out this article: is bmw german . Coming back to the windshield washer hose, it’s important to use the correct hose for your specific model and year, as there are slight variations depending on the production date.

  • Allow the engine to cool down before starting any work.
  • Wear safety glasses and gloves to protect yourself from fluids and sharp edges.

Necessary Tools

* New windshield washer hose

  • Pliers
  • Screwdriver
  • Funnel
  • Water

Replacement Steps

  • Locate the windshield washer fluid reservoir. It is usually located in the engine bay, near the firewall.
  • Remove the cap from the reservoir and use a funnel to fill it with water.
  • Locate the windshield washer hose. It is a thin, black hose that runs from the reservoir to the windshield washer nozzles.
  • Use pliers to remove the hose clamps that secure the hose to the reservoir and nozzles.
  • Pull the old hose off the reservoir and nozzles.
  • Install the new hose onto the reservoir and nozzles.
  • Tighten the hose clamps using pliers.
  • Fill the reservoir with windshield washer fluid.
  • Test the windshield washer system to make sure it is working properly.

Compatible Replacement Hoses

* Genuine BMW Windshield Washer Hose (Part Number: 61668354800)

Dorman Windshield Washer Hose (Part Number


If you’re curious about how your BMW E39 windshield washer hose came to be, you might be interested in learning about the meticulous manufacturing process behind BMW vehicles. From the initial design to the final assembly, each BMW is crafted with precision and attention to detail.

To delve deeper into this fascinating process, I recommend exploring this informative article: how bmw is made . It provides a comprehensive overview of the journey your BMW E39 windshield washer hose and other components take before reaching your hands.

Gates Windshield Washer Hose (Part Number


Motorcraft Windshield Washer Hose (Part Number


For those seeking information on the BMW E39 windshield washer hose, it’s worth noting that the BMW X5 is expected to undergo a redesign in the near future. Check here for more details on the upcoming redesign. As for the E39 windshield washer hose, make sure to consult a qualified mechanic for proper installation and maintenance.

Maintenance and Prevention

Maintaining your BMW E39 windshield washer hoses is crucial for ensuring their proper functioning and longevity. Regular inspections and maintenance can prevent common issues and extend the hoses’ lifespan.

Recommended Maintenance Schedule

Inspect the windshield washer hoses at least once a year, or more frequently if you drive in harsh conditions. Look for any signs of damage, such as cracks, leaks, or blockages. Replace any damaged hoses immediately.

Prevention Tips, Bmw e39 windshield washer hose

* Avoid using harsh chemicals or detergents when cleaning the windshield washer system.

  • Flush the system with clean water regularly to prevent clogs.
  • Use washer fluid designed for your vehicle’s specific system.
  • Park your car in shaded areas to protect the hoses from UV damage.

By following these maintenance and prevention tips, you can keep your BMW E39 windshield washer hoses in good condition and ensure they function properly for years to come.

Related Components and Systems

Bmw e39 windshield washer hose

The windshield washer hose is an essential part of the windshield washer system, which plays a crucial role in maintaining visibility while driving. This system comprises several components that work together to effectively clean the windshield.

The washer fluid reservoir stores the washer fluid, which is a mixture of water and a cleaning agent. The washer pump draws fluid from the reservoir and pressurizes it, sending it through the washer hose to the nozzles.

The washer nozzles are located on the hood of the car and spray the washer fluid onto the windshield. The nozzles are adjustable, allowing you to direct the spray pattern to cover the entire windshield.

Diagram of Windshield Washer System Components

The following diagram illustrates the connections and relationships between the components of the windshield washer system:

  • Washer fluid reservoir
  • Washer pump
  • Washer hose
  • Washer nozzles

These components work together to ensure that the windshield is cleaned effectively, providing optimal visibility for the driver.


In conclusion, the BMW E39 windshield washer hose is an integral part of the vehicle’s safety and visibility systems. By understanding its function, troubleshooting common issues, and implementing regular maintenance, you can ensure that your windshield washer system operates flawlessly, providing you with a clear and unobstructed view of the road ahead.

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