BMW E91 318i N43 N46 Front Right O/S M Sport Spring Strut Brake Suspension Leg

BMW E91 318i N43 N46 MSport Steering Knuckle Right Front is an original suspension component from the Strut Mounts and Shock Absorber Components group, designed for the right side of the front axle. The precise geometry of the steering knuckle ensures stable handling, proper suspension operation, and correct wheel alignment in sport-tuned versions of the BMW 3 Series E91.

Specifications and technical data

• SKU: 6786012-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786012
• Substitutable numbers: 31316786012, 6786012, 31216793924, 6793924, 34116769091, 6769091, 34116854998, 6854998, 31316772920, 6772920, 31216764444, 6764444, 34116764643, 6764643, 34116772669, 6772669
• Weight: 150
• Location on the vehicle: Front, Right
• Category: Shock & Strut Mounts

Purpose and Function in Suspension

The right front steering knuckle in the BMW E91 318i with N43/N46 engines in the MSport version is a key element connecting the suspension strut, wheel hub, and components of the braking and steering systems. It is responsible for maintaining the correct geometry of the front axle, which translates to predictable vehicle behavior, even tire wear, and stability during braking and cornering.

Thanks to its factory design, the steering knuckle retains the original mounting points for the shock absorber, strut, and accessories, which facilitates correct toe alignment after repair and preserves the handling characteristics typical of the MSport package.

Construction and Technical Compatibility

The component belongs to the Strut Mounts and Shock Absorber Components group, meaning it directly interacts with the suspension strut, control arm, and braking system. The steering knuckle's construction is optimized for stiffness and resistance to the dynamic loads experienced on the front axle of a sport-tuned vehicle.

The product features dedicated OEM part numbers and interchangeable numbers, which facilitate unambiguous identification and selection of the correct variant for a specific BMW E91 318i configuration. This allows for the safe replacement of a damaged component while maintaining compliance with factory service documentation.

Vehicle Placement and Installation Aspects

The steering knuckle is designed for installation on the front right side of the vehicle, eliminating the risk of selection errors. The precisely defined vehicle placement allows the mechanic to efficiently plan the scope of work, including the disassembly of the suspension strut, braking components, and steering accessories.

The appropriately selected weight and design of the steering knuckle contribute to maintaining proper weight distribution within the front axle, which is important for the operation of shock absorbers and struts. After installation, wheel alignment is recommended to fully utilize the driving characteristics intended by the manufacturer.

Part Condition and Benefits of Choosing Original

The steering knuckle is offered as a used part, which significantly reduces repair costs while maintaining the original BMW construction. Compared to aftermarket alternatives, the factory component ensures proper fitment with other suspension components and predictable performance during long-term use.

Choosing an original salvaged steering knuckle is a particularly beneficial solution for post-accident repairs, where restoring factory geometry and driving parameters without excessively increasing the service budget is crucial.

Expanding Front Suspension Repairs in BMW

If you are planning a comprehensive repair or upgrade of the front suspension area on your BMW and require other elements from the same group, such as strut mounts, brackets, or strut components, check the available parts in the BMW Strut Mounts and Shock Absorber Components category.

To better plan your service budget and make informed choices when selecting salvaged parts, it is worth familiarizing yourself with practical tips on choosing used braking system components – these are discussed in detail in the article Brake Calipers Under the Microscope: How to Effectively Reduce Brake System Repair Costs by Choosing Proven Salvaged Parts.