BMW E91 Rear Window Windscreen Spray Washer Nozzle Jet Line Pipe Hose 7159020

BMW E91 Rear Window Windscreen Spray Washer Nozzle Jet Line Pipe Hose is a precision component of the windscreen washing system, responsible for evenly distributing fluid across the glass surface. Thanks to its factory-spec spray geometry and perfect fit for the estate body style, it ensures stable wiper performance and good visibility in difficult weather conditions. This solution is designed for users who expect consistency with the original BMW design and reliable operation in daily use.

Specifications and technical data

• SKU: 7128401-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7128401
• Substitutable numbers: 7128401, 61687128401, 7159020
• Location on the vehicle: Rear
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The presented nozzle is a component of the Washer fluid reservoirs, pumps, and nozzles group, responsible for the final stage of delivering fluid to the rear window. Mounted in the rear part of the BMW E91 body, it works with the factory pump and hoses to create a sealed, efficient fluid flow path. A properly shaped outlet allows for a stable spray pattern, which translates into effective glass cleaning with minimal fluid consumption.

Construction and fitment for the BMW E91

The nozzle has been designed specifically for the geometry of the rear window and tailgate of the BMW 3 Series E91, ensuring the correct spray angle and compatibility with the factory mounting. The construction of the hose and nozzle body is adapted for operation in the rear of the vehicle, where the component is exposed to temperature changes, moisture, and road debris. The properly shaped connection ports facilitate correct installation into the existing washer fluid system.

Benefits of using the original rear window nozzle

Using a dedicated nozzle in the BMW E91 allows you to maintain washer system performance parameters in accordance with the manufacturer's specifications. The main advantages include:

• correct angle and range of the fluid spray on the rear window,
• consistency with the factory hose and mounting system,
• reduced risk of leaks at connection points,
• stable cooperation with the original washer pump.

As a result, the driver receives repeatable washer system performance, which has a direct impact on driving safety in rain, snow, or when driving on dirty roads.

Characteristics of the used component

The offered BMW E91 Rear Window Windscreen Spray Washer Nozzle Jet Line Pipe Hose is a used part, sourced from vehicle dismantling. This type of part retains its original design and fitment while providing an economical solution compared to a new component. Choosing a used OEM part is particularly beneficial for maintenance repairs where maintaining compliance with the factory system at reasonable service costs is key.

Integration with other BMW washer system components

The rear window nozzle works with other system components, such as the reservoir, pump, and fluid hoses. When performing comprehensive maintenance in this area of the vehicle, it is worth checking the condition of the entire installation – from hose tightness and pump efficiency to the patency of the nozzle itself. If you are planning a comprehensive repair or upgrade of the zone responsible for window cleaning in your BMW and need other parts from the same group, such as hoses, pumps, or additional nozzles, check the available parts in the BMW washer fluid reservoirs, pumps, and nozzles category.

Part selection and vehicle system diagnostics

When selecting maintenance parts such as washer nozzles, it is helpful to understand the connections between various vehicle systems – from power supply and control to auxiliary installations. In the context of overall car maintenance, it is worth reading the material discussing the principles of diagnostics and component selection by catalog numbers and VIN, available in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration". It allows for a better understanding of how manufacturers design the cooperation of individual components and how to approach part replacement consciously.

Summary

BMW E91 Rear Window Windscreen Spray Washer Nozzle Jet Line Pipe Hose is a practical choice for drivers who want to restore the proper operation of the rear window washing system while maintaining factory performance parameters. The used OEM component ensures a good fit, correct spray angle, and compatibility with the existing installation, which translates into trouble-free installation and predictable operation in daily use.