BMW G11 G12 Steering Column Electric Power Steering Rack RHD 5A3AD99 7806807

BMW G11 G12 Steering Column Electric Power Steering Rack RHD is an original component from the Steering columns group, designed for BMW 7 Series G11/G12 models with right-hand drive. The electric power steering integrated into the column ensures precise handling, stable vehicle behavior, and comfortable steering system operation in daily use.

Specifications and technical data

• SKU: rhd-5A3AD99
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A3AD99
• Substitutable numbers: 5A3AD99, 7806807, 6887645, 7828177476, 7828 177 476, 00261830
• Category: Steering Columns

Purpose and function in the steering system

The presented steering column with electric power steering is structurally matched to the chassis architecture of the BMW G11/G12 with right-hand drive (RHD). It is responsible for transferring movement from the steering wheel to the steering gear and working with the electric power steering module, which results in:

• precise response to steering wheel movements at various speeds,
• stable lane keeping,
• proper cooperation with safety systems (e.g., lane assist, steering corrections during braking),
• comfortable maneuvering in the city thanks to appropriately selected steering assistance force.

Benefits of using an original BMW steering column

Using an original steering column in a BMW G11/G12 allows you to maintain the factory operating parameters of the steering system. Thanks to this:

• the geometry and steering characteristics remain consistent with the manufacturer's specifications,
• compatibility with the vehicle's factory electronic systems is maintained,
• the risk of controller errors resulting from improper replacement parts is reduced,
• the predictable, typical BMW driving experience is preserved.

For the user, this means consistent vehicle behavior in all conditions and easier diagnostics of any potential faults in the future.

Condition, fitment, and assembly aspects

The item comes from the used original BMW parts group, which in practice means the factory design and mounting points are preserved. This facilitates workshop work, as the steering column is ready for installation in place of the factory component without the need for structural modifications. During replacement, it is recommended to:

• check the mounts and cooperating elements within the column area,
• correctly set the steering wheel position relative to the wheels,
• perform adaptation and calibration of the steering system in accordance with the BMW service procedure.

This approach allows for fully utilizing the potential of the electric power steering and ensuring stable, predictable system operation.

Safety, diagnostics, and technical knowledge

The steering column with electric power steering is a key element of active safety. Any play, abnormal resistance, or power steering errors should be diagnosed without delay. To better understand the operating principles and typical symptoms of failures, it is worth checking out expert material – they are discussed in detail in the article Steering system and power steering – how it works and what breaks?, where you will find practical tips regarding diagnostics and the selection of components such as steering columns.

Expanding upgrades within the BMW steering system

If you are planning a comprehensive repair or upgrade of the steering zone in your BMW and need other elements from the same group, such as additional columns, adjustment elements, or related modules, check out the available parts in the BMW steering columns category.