BMW F46 Gran Tourer Rear Window Trunk Lid Boot Wiper Arm7365978

The BMW F46 Gran Tourer Rear Wiper Arm is an original part from the Wiper Arms category, designed for rear window operation. It ensures stable blade guidance, effective water drainage, and improved visibility while driving in rain, snow, or when the window is dirty. Thanks to its factory geometry and proper pressure on the glass, it is a functional service solution for BMW F46 Gran Tourer users.

Specifications and technical data

• SKU: 7365978
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7365978
• Substitutable numbers: 7365978, 61627365978
• Location on the vehicle: Rear
• Category: Wiper Arms

Purpose and Function in the Wiper System

The presented rear wiper arm has been specifically designed for the BMW F46 Gran Tourer, taking into account the window shape, mechanism operating range, and vehicle aerodynamics. Its placement on the vehicle is the rear tailgate, meaning it works in conjunction with the rear window wiper mechanism and the washer nozzle (if present in the specific car configuration).

The component is responsible for:

• transferring torque from the wiper motor axis to the blade,
• maintaining constant blade pressure on the window throughout its operating range,
• stabilizing the blade's movement path at higher driving speeds,
• reducing vibrations and noise during system operation.

Construction and Fit for BMW

The rear tailgate wiper arm in the BMW F46 Gran Tourer has a construction adapted to the factory mounting on the drive axis and to the shape of the rear window. The appropriately selected length and profile of the arm allow for effective cleaning of the crucial field of vision in the rearview mirror, without excessively loading the mechanism.

Thanks to the use of original geometry:

• the correct working angle relative to the window is maintained,
• the blade moves along the path designed by the manufacturer,
• the risk of uneven blade wear or streaks is reduced.

Component Condition and Installation Aspects

The wiper arm comes from a used vehicle, meaning it is a used part, retaining functionality suitable for further operation in the wiper system. This type of component is often chosen as an economical alternative to new parts, especially for routine rear window repairs.

During installation, it is worth paying attention to:

• correct setting of the arm's resting position on the window,
• the tightening torque of the mounting nut (according to BMW service documentation),
• checking the condition of the mounting socket and drive axis,
• selecting a wiper blade that matches the length and profile of the arm.

Practical Application and Benefits of Replacement

A functional rear wiper arm directly impacts driving safety, especially in conditions of limited visibility. Replacing a worn or damaged arm with an original BMW part allows you to:

• restore proper blade pressure to the window,
• reduce streaks and uncleared areas,
• minimize noise and vibrations during wiper operation,
• maintain the aesthetic appearance of the rear of the vehicle.

For drivers who care about the technical condition of their vehicle and driving comfort in the rain, a functional rear window wiper arm is an important element of daily operation.

Related Products and Additional Information

If you are planning comprehensive service for your BMW's wiper system and are also interested in other components of this system, such as additional arms, brackets, or compatible service solutions, check the available parts in the BMW Wiper Arms category.

For drivers interested in comparing the characteristics of sports models with standard versions, including differences in braking systems, suspension, and powertrains, an article detailing the RS series may be helpful – you can find it here: Audi RS vs. Other Models – What's Under the Hood and Chassis?.