BMW F20 F21 F30 F31 Electric Power Steering Rack Drive Motor Unit 7802277

BMW F20 F21 F30 F31 Steering Gear Motor 7802277 is an original part from the Steering Gears and Housings category, designed for the steering systems of selected BMW 1 and 3 Series models. A used steering gear motor allows for professional power steering repair, maintaining the system's factory operating characteristics and proper fit for the specific gearbox.

Specifications and technical data

• SKU: 7802277-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7802277
• Substitutable numbers: 7802277, 0273010090, 72157953890, 7953890, 72157360426, 7360426
• Category: Gearboxes, Racks & Pinions

Application and Compatibility

The presented steering gear motor is intended for installation in BMW F-Series steering systems, including F20, F21, F30, and F31. The component works with the electric steering gear, responsible for generating power assist torque and precisely transmitting control signals from the electronics module to the steering rack mechanism.

By using an original component, the correct operating geometry, appropriate power assist force, and consistency with the vehicle's factory software are maintained. This solution is particularly beneficial for professional repairs where compliance with factory specifications and predictable steering system behavior are crucial.

Construction and Operating Characteristics

The steering gear motor in this BMW model is integrated with the gearbox housing, working in conjunction with the rack and pinion mechanism and control electronics. It is responsible for:

• generating power assist based on vehicle speed and steering angle,
• precise force application to the steering wheel,
• cooperation with safety systems such as stability control or lane assist (if present in the specific vehicle configuration).

Using an original motor within the BMW steering gear ensures operational parameter consistency with other system components, which is important for both driving comfort and the durability of the entire steering rack.

Condition, Verification, and Benefits of Installation

The part is a used item from disassembly, offered as a cost-effective solution while maintaining original manufacturing quality. This type of component is particularly useful when the electric drive of the steering gear has failed, but the steering rack mechanism itself is still in good condition.

Choosing an original steering gear motor allows you to:

• maintain factory fitment to the gearbox housing and steering column,
• reduce the risk of electrical compatibility and control module communication issues,
• preserve the predictable steering feel and driving stability known from BMW.

Practical Installation Tips

When replacing the steering gear motor, it is recommended to have the work performed at a specialized service center, using appropriate tools and diagnostic procedures. After installation, it may be necessary to perform steering system adaptation or calibration using a diagnostic tester to ensure proper interaction with the vehicle's electronics.

Selecting the correct component is facilitated by the manufacturer's marking and its assignment to a specific BMW series, which minimizes the risk of incorrect fitment. If in doubt, it is advisable to compare parameters with the currently installed gearbox or consult a mechanic specializing in the BMW brand.

Other BMW Steering Gears and Technical Knowledge

If you are looking for other BMW Steering Gears and Housings for your car, check out the BMW Steering Gears and Housings available in our store, where you will find a wide selection of components for various models of this brand.

To compare design solutions used in other popular sports and compact cars, it is worth reading the analysis of changes in chassis and wear parts in the article The Legend of the Hot Hatch: Evolution of the VW Golf GTI from Mk1 to Mk8 – Design Changes and VW Car Parts, which shows how manufacturers develop their steering and suspension systems over generations.