Description
BMW G32 Front Windscreen Windshield Wiper System Motor Drive Unit is an original windshield cleaning system component, designed specifically for BMW G32 series models. As part of the Wiper motors and linkages group, it ensures stable operation of the wiper arms, precise blade guidance, and safe visibility in various weather conditions.
Specifications and technical data
- SKU: RHD-9851358
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 9851358
- Substitutable numbers: 61619851358, W000078487, W 000 078 487
- Location on the vehicle: Front
- Category: Wiper Linkages, Transmissions & Motors
Purpose and function in the vehicle
The presented wiper motor is designed for installation in the front part of the vehicle, where it is responsible for generating torque for the wiper arm mechanism. A properly functioning motor guarantees smooth, even movement of the blades across the windshield, which translates into road visibility and driving comfort in rain, snow, or during road dirt accumulation.
This component works with the factory BMW electrical system, maintaining correct operating speeds, intermittent modes, and response to steering column switch controls. As a result, the wiper system retains the parameters specified by the vehicle manufacturer.
Construction and technical characteristics
The BMW G32 Front Windscreen Windshield Wiper System Motor Drive Unit is an integrated drive unit adapted for operation in the cowl panel area, where it is exposed to moisture, temperature changes, and vibrations. The design includes:
- a compact electric motor housing,
- a drive output adapted for cooperation with the linkage mechanism,
- mounting points allowing for stable seating in factory mounting locations,
- an electrical connector compatible with the BMW wiring harness.
Such a solution allows for maintaining appropriate system rigidity, reducing operational play, and ensuring correct synchronization of the wiper arm operation.
Benefits of using an original BMW motor
Using an original wiper motor in a BMW G32 provides a number of practical operational benefits:
- Factory fit – compatibility with the cowl geometry and linkage mechanism, without the need for modifications.
- Stable operation across the full speed range – maintaining the wiper operating modes intended by the manufacturer.
- Compatibility with vehicle electronics – correct cooperation with control modules and the cabin control system.
- Reduction of the risk of noise, vibrations, and wiper arm judder thanks to the proper torque characteristics.
Choosing an original component from the Wiper motors and linkages group is particularly important in BMW-class vehicles, where the precision of system operation directly affects driving safety and comfort.
Condition, installation, and service application
The offered item is a used part, which allows for an economical repair of the wiper system while maintaining the original manufacturer’s specifications. In practice, it will work well both for typical replacement of a worn-out motor and for post-accident repairs in the front body area.
Due to its factory origin, the installation process is similar to plug-and-play: after proper seating in the mounting points and connecting the electrical plug, the system is ready for functional testing. It is recommended to perform a check of the wiper arm range of motion and verify all operating modes after installation.
Service expansion and technical knowledge
If you are planning a comprehensive repair or upgrade of the visibility zone in your BMW and need other elements from the same group, such as drives, gears, or wiper arms, check the available parts in the BMW Wiper motors and linkages category.
When working with BMW vehicles, it is worth knowing the typical weak points of drive units and related systems – a practical discussion of problematic motors can be found in the article Emergency BMW E90 engines: check what can ruin your budget!, which helps to better plan the scope and sequence of service work.
When preparing your car for more difficult weather conditions, including heavy rain and frost, the seasonal guide Winter essentials: which used car parts are worth checking and replacing before the frost? may also be helpful, containing checklists and practical tips on assessing the condition of used components.





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