BMW G31 Touring Rear Window Washer Jet Hose Tube Line 7390417

BMW G31 Touring Rear Window Washer Jet Hose Tube Line is an original washer system component designed for the rear section of the vehicle body. It ensures a stable supply of fluid to the nozzle, which translates into clear visibility in the rearview mirror and safe vehicle operation in rain, snow, and while driving on dirty roads. This is a practical solution for users who want to restore the full functionality of the rear window washer in their BMW.

Specifications and technical data

• SKU: 7390417
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7390417
• Substitutable numbers: 61687390417, 7390417
• Location on the vehicle: Rear
• Part type: Washer Nozzle
• Category: Washer Pumps, Reservoirs & Nozzles

Function and application of the rear window washer hose

The washer hose in the BMW G31 Touring is responsible for the precise delivery of fluid from the washer system to the rear window. A properly functioning hose minimizes the risk of leaks, pressure drops, and uneven fluid spraying, which has a direct impact on cleaning efficiency. Its location in the rear of the vehicle means it operates in demanding conditions – near the tailgate, hinges, and grommets, where hoses are particularly exposed to kinks and damage.

Compatibility with the BMW washer system

This component belongs to the Washer fluid reservoirs, pumps, and nozzles group, making it compatible with the factory reservoir, pump, and nozzles used in BMW vehicles. A properly selected hose allows for maintaining the consistency of the entire system, reduces the risk of diameter or connector mismatches, and facilitates installation in the original body routings. This solution is particularly beneficial for repairs after winter, fluid freezing, or mechanical damage to the rear window washer installation.

Installation and operational characteristics

The hose is designed for installation in the rear area of the vehicle, along the factory routing paths. Thanks to its fitment for the specific BMW G31 Touring model, it is possible to maintain the correct bending radius, which limits the risk of blockages and kinks. In practice, this translates into:

• stable fluid pressure throughout the entire length of the hose,
• even operation of the rear window washer,
• reduced risk of leaks at critical points of the body. An element configured in this way allows for restoring the correct operation of the system without the need for installation modifications or the use of universal solutions.

Benefits of using an original BMW hose

Using a hose dedicated to the BMW G31 Touring allows for maintaining the factory operating characteristics of the washer system. The proper fit of length, diameter, and shape translates into reliable rear window washer operation and reduces the risk of recurring faults resulting from improper part selection. This is particularly important in vehicles used all year round, where the washer system is used intensively.

Condition of the item and selection of used parts

The offered hose comes from the used parts group, which represents a reasonable compromise between repair costs and maintaining the original BMW specification. For many users, this is a practical solution for comprehensive washer system service, especially when several components are being replaced simultaneously. If you have doubts about choosing between a used or refurbished part, the guide on our blog may be helpful: refurbished or used original – which part to choose for repairs.

Related BMW washer system components

If you are planning a comprehensive repair or upgrade of the rear window area in your BMW and need other components from the same group, such as hoses, pumps, or fluid nozzles, check the available parts in the BMW washer fluid reservoirs, pumps, and nozzles category. For users who are simultaneously servicing other vehicle systems, an article describing diagnostics and component selection by OEM and VIN numbers may also be useful, available here: fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. Although it concerns a different system, it demonstrates good practices in terms of part identification and repair planning.