BMW E81 E87 E90 E91 Active Steering Control Unit Module Bracket Carrier 6770918

The BMW E81 E87 E90 E91 Active Steering Control Unit Module Bracket Carrier is an original mounting bracket for the active steering control module, designed for select BMW 1 and 3 Series models. This component ensures stable, factory-standard mounting of the control unit, which translates to safe operation of the electronic steering system and reduces vibrations and stresses acting on the module. It's a practical solution for users replacing a damaged bracket or completing an installation after repairs to the steering column.

Specifications and technical data

• SKU: 6770918-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770918
• Substitutable numbers: 6770918, 32436770918, 6782283, 32436782283, 6773990, 32436773990, 6772651, 32436772651, 6778087, 32436778087, 6771402, 32436771402, 6770739, 32436770739, 6770471, 32436770471, 6779960, 32436779960, 6770469, 32436770469, 6776656, 32436776656
• Category: ECUs & Computer Modules

Purpose and Function of the Active Steering Module Bracket

The presented bracket is part of the Electronic Control Units and Controllers group, responsible for the mechanical mounting of the active steering control unit in BMW E81, E87, E90, and E91 series vehicles. Its task is to keep the module in the correct position relative to the steering column and the vehicle body, in order to:

• ensure proper rigidity of the control unit mounting,
• minimize the transfer of vibrations from the suspension and body to the electronics,
• maintain proper routing of electrical harnesses in the steering column area,
• facilitate servicing and potential replacement of the active steering module.

By using an original bracket, the compliance with factory mounting geometry is maintained, which is important for both the durability of the control unit and the correct operation of the entire system.

Benefits of Using an Original BMW Part

The active steering module bracket from the BMW OE line guarantees a perfect fit with the factory mounting points in the body and with the control unit itself. In practice, this means:

• no need for modifications or adjustments to mounting holes,
• correct alignment of mounting screws and clips,
• maintenance of the original position of the control unit relative to other components in the steering column area,
• consistency with original BMW design solutions.

Choosing an original bracket is particularly important when working with sensitive electronic steering system modules, where improper mounting can lead to micro-cracks on circuit boards, connector damage, or communication problems within the vehicle's bus system.

Characteristics of a Used Part

The offered bracket is a used part, sourced from a dismantled BMW vehicle. This type of component, as a load-bearing element without moving parts, retains its functional properties for a long time, provided it has not been mechanically damaged. In practice, this means that with proper installation, it can continue to ensure stable and secure mounting of the control unit in the steering system.

A used mounting bracket is a good solution in situations where mechanical damage has occurred (e.g., after a collision, improper disassembly, or corrosion of mountings) and a quick, economical replacement is necessary while maintaining the original BMW specifications.

Application in BMW Electronic System Service

Replacing or repairing an active steering control unit in a BMW often involves the disassembly of the entire assembly, including the bracket. If cracks, deformations, or missing mountings are found, using a functional dismantled bracket allows for restoring the correct operating conditions of the module without interfering with the body structure.

For those who wish to deepen their knowledge of working with electronics in BMW 3 and 5 Series, including control modules, diagnostics, and the use of dismantled parts, the article will be useful: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Dismantled Parts?.

Expanding Work on the BMW Steering System

If you are planning a comprehensive repair or upgrade of the steering system area in your BMW and need other parts from the same group, such as control units, power steering modules, or mounting brackets, check the available parts in the category BMW Electronic Control Units and Controllers.

When planning a larger scope of work with used components, it is also worth paying attention to best practices for selecting dismantled parts – the guide: Buying Used Car Parts • Common Mistakes When Choosing Parts for Tuning, can be helpful, allowing you to better assess the condition of parts and avoid typical installation problems.