BMW 3 Series E46 Touring Wipershaft Pivot Rear Window Wiper Bearing 8220831

BMW 3 Series E46 Touring Wipershaft Pivot Rear Window Wiper Bearing is a component from the Wiper motors and linkages group, designed for operation in the rear section of the vehicle body. It ensures stable guidance of the wiper arm and correct operating movement, which translates into safe visibility during rain and while driving in difficult conditions.

Specifications and technical data

• SKU: 8220831
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8220831
• Substitutable numbers: 61628220831, 8220831, EM
• Location on the vehicle: Rear
• Offset (ET):
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function of the mechanism

The rear wiper mechanism in the BMW 3 Series E46 Touring is responsible for transferring drive from the wiper motor system to the arm and blade, maintaining a repeatable, uniform movement across the glass surface. A properly functioning rear wiper system is particularly important in estate (Touring) cars, where the rear window is exposed to dirt from the wheels and air turbulence.

Thanks to the appropriately selected geometry and stiffness of the components, the mechanism ensures stable wiper operation, reduces vibrations, and supports even pressure of the blade against the glass. This translates into a clear view in the rearview mirror and driving comfort in rain, snow, or when driving on dirty roads.

Construction and placement on the vehicle

The presented mechanism is designed for installation in the rear part of the body, in the tailgate area. Placement in this region requires adequate resistance to temperature changes, moisture, and road debris. The design of the mechanism is engineered to work with the factory mounting and routing system in the BMW 3 Series E46 Touring, which facilitates installation and subsequent maintenance.

The element belongs to the Wiper motors and linkages group, which means it works with the wiper drive and other system components, creating a coherent system responsible for cleaning the rear window. Proper fitment to the specific BMW model allows for maintaining factory performance parameters and the operational quality of the wiper.

Benefits of using an original BMW solution

Using a mechanism dedicated to the BMW 3 Series E46 Touring allows for maintaining compliance with the vehicle's factory specifications. Proper fitment to the body, correct length and geometry of the linkage, and compatibility with the wiper drive system reduce the risk of incorrect blade movement, skipping, or excessive wear of cooperating elements.

Choosing parts from this group also offers service benefits: easier diagnostics, predictable operational behavior, and the ability to use existing mounting points without the need for modifications. For the user, this means stable operation of the rear wiper, which directly affects driving safety in conditions of limited visibility.

Condition, fitment, and selection based on technical data

The rear wiper mechanism for the BMW 3 Series E46 Touring is offered as a used part, which allows for economical repair of the system while maintaining proper fitment to the specific model. When selecting the component, it is worth using the manufacturer's markings, OEM part number, and interchangeable numbers to confirm full compatibility with your vehicle.

For users who want to deepen their knowledge on the safe selection of elements from the secondary market, an expert guide describing procedures for selection by VIN and OEM, as well as differences between individual groups of drive components, will be useful: Why it is worth buying used gearboxes and engines – facts instead of myths. Although the article focuses on other components, the principles of verification and approach to used parts presented there can also be applied when choosing wiper system elements.

Expansion of the wiper system in BMW

If you are planning a comprehensive repair or upgrade of the wiper system area in your BMW and need other elements from the same group, such as additional linkages, drive transmission elements, or related control components, check the available parts in the BMW wiper motors and linkages category.

For those considering wider use of used parts, including in modernization projects, a guide describing the most common mistakes when purchasing components from the secondary market may also be helpful: Buying used car parts – the most common mistakes when choosing parts for tuning. It allows for better planning of investments in elements such as wiper mechanisms, minimizing the risk of incorrect selection.