BMW 3 Series E91 318i FRONT LEFT N/S SPRING STRUT LEG SUSPENSION BRAKE CALLIPER

Left Steering Knuckle Strut Assembly BMW E91 318i N46 is a complete front suspension component designed for the front axle on the driver's side of the BMW 3 Series E91 model with an N46 engine. The use of original BMW construction ensures proper geometry, stable handling, and predictable vehicle behavior during braking and cornering. This solution is particularly beneficial when replacing a damaged or worn part, and you want to maintain factory driving parameters and safe vehicle handling.

Specifications and technical data

• SKU: 6772917
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 31316772917
• Substitutable numbers: 31316786009, 6786009, 31316772917 31316768211, 6772917, 6768211, 31216793923, 6793923, 31216764443, 6764443, 31216765157, 6765157, 34116769095, 6769095, 34116854998, 6854998, 34116764643 34116772669, 6772669, 6764643, 34116769091, 6769091
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and Function in the Suspension System

The presented component combines the functions of a shock absorber and a steering knuckle on the left side of the front axle. It is responsible for damping vibrations, maintaining constant tire contact with the road surface, and correctly guiding the hub and mounting steering system components. This ensures predictable suspension system operation and vehicle stability during both city driving and high-speed travel.

Its placement on the vehicle, specified as front – left side, facilitates unambiguous part identification when planning repairs or replacing a pair of components on the axle. Using a dedicated component for a specific BMW model reduces the risk of geometry issues and accelerated tire wear.

Benefits of Using a Complete Steering Knuckle with Shock Absorber

Using a complete shock absorber-steering knuckle assembly can often shorten repair time and reduce the number of workshop operations. The mechanic does not need to disassemble multiple sub-assemblies, which reduces the risk of damaging additional components during disassembly. For the user, this often means a more predictable service cost and a lower likelihood of needing further suspension intervention in a short period.

The element belongs to the Suspension Replacement Kits category, highlighting its role as a complete service solution for a specific side of the vehicle. Replacing such a kit is particularly recommended after a collision, with visible mechanical damage, or when previous repairs have not fully restored driving stability.

Original Origin and Mounting Compatibility

The part comes from the BMW line, meaning it retains factory mounting points and is compatible with the body structure and other suspension components. This allows for the restoration of the original system operating parameters without the need for modifications or mounting compromises. The product has an assigned OEM part number and related interchangeable numbers, which facilitates verification of compatibility with a specific equipment version and vehicle year based on manufacturer catalogs or VIN.

Condition: used indicates that the element comes from disassembly, which for many users is a reasonable compromise between cost and retaining the original BMW construction. Such components are often chosen for post-accident repairs and for servicing older models where fitment and correct operation are prioritized over a brand-new part.

Practical Installation and Operational Tips

When replacing suspension components, it is recommended to inspect other components on the front axle – especially control arms, stabilizer links, and spring mounts. After installing the complete steering knuckle with shock absorber, wheel alignment is necessary to fully utilize the part's potential and avoid uneven tire wear. It is also worth paying attention to the condition of the mounts and bolts, using the correct tightening torques according to BMW service documentation.

If you are planning a comprehensive repair or upgrade of the front suspension area in your BMW and need other parts from the same group, such as shock absorber struts, complete steering knuckles, or ready-to-install kits, check the available parts in the BMW Suspension Replacement Kits category.

More Knowledge about Suspension and Shock Absorbers

For users who want to better understand suspension operation and plan maintenance consciously, a guide describing the role of shock absorbers, control arms, and stabilizers in various car models will be useful. A detailed discussion of wear symptoms and good service practices can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which will help you better assess the condition of components in your BMW and plan the next repair stages.