Description
BMW F40 Rear Window Wiper Arm Wash is an original component from the Wiper arms group, designed for operation on the vehicle’s rear window. Designed by BMW, the arm ensures stable blade guidance, even pressure on the glass, and predictable wiper system operation in daily use. It is a practical solution for drivers who expect reliable rear window cleaning system performance without interfering with the vehicle’s factory design.
Specifications and technical data
- SKU: 7456077
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7456077
- Substitutable numbers: 7456077, 61627456077
- Location on the vehicle: Rear
- Category: Wiper Arms
Purpose and function in the vehicle
The rear wiper arm in the BMW F40 is responsible for precisely transferring movement from the drive mechanism to the wiper blade. Its location at the rear of the vehicle means this component operates in demanding conditions – it is exposed to water, road grime, and temperature changes. A properly selected arm:
- maintains stable blade pressure against the glass throughout its entire range of motion,
- minimizes vibrations and skipping during movement,
- ensures visibility in the rearview mirror and reversing camera (if the vehicle is equipped with one),
- reduces wiper blade wear thanks to correct guidance geometry.
Benefits of using an original BMW arm
Choosing a rear wiper arm dedicated to the BMW F40 allows you to maintain the performance parameters specified by the vehicle manufacturer. The appropriate mounting geometry, length, and operating angle translate into:
- secure fit to the wiper axis and rear window without the need for modifications,
- consistency with the factory drive mechanism and its range of motion,
- reduced risk of the blade colliding with seals or body components,
- maintenance of the aesthetic appearance of the rear of the vehicle thanks to the arm line being consistent with the design.
For the user, this means predictable wiper system operation and no issues with installation or adjustment.
Characteristics of the used component
The offered rear window wiper arm is a used component, which in practice means it comes from a vehicle disassembly and retains the original BMW construction. This type of part is a good solution when you want to:
- maintain factory build quality at a reasonable purchase cost,
- avoid fitment issues typical of aftermarket replacements with imprecise dimensions,
- ensure visual consistency with other body components and rear window equipment.
Before installation, a standard visual inspection and checking the freedom of movement at the mounting point are recommended to ensure smooth operation of the entire system.
Installation and operation in the BMW F40
The rear wiper arm in the BMW F40 is structurally adapted for installation at the factory mounting point on the tailgate. When replacing, it is worth paying attention to:
- correct setting of the arm’s rest position relative to the lower edge of the glass,
- tightening torque of the mount in accordance with the vehicle manufacturer’s recommendations,
- selection of a wiper blade with the appropriate length and mounting type,
- checking the full range of motion after installation – without rubbing against seals or body elements.
A replacement performed in this way allows you to restore the efficiency of the rear window cleaning system and improve driving comfort in rain, snow, and when driving on dirty roads.
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 additional arms, mounts, or elements working with blades, check the available parts in the BMW Wiper arms category.
For drivers interested in a broader look at the impact of efficient components on engine durability and operational safety, the guide article Engine cooling system – overheating, repair, and used radiators, which discusses the relationships between the condition of key systems and the overall condition of the vehicle, may be helpful.
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