BMW F30 LCI 318d ed B47 Front Left N/S Spring Leg Suspension Wheel Hub 6873800

Front left strut assembly, steering knuckle, and hub kit for BMW 3 Series F30 LCI 318d with B47 engine is a complete solution for the driver's side front axle. This component from the Suspension Replacement Kits category allows for efficient, technically coherent replacement of key components responsible for the handling, stability, and precision of the running gear. It's a practical choice for collision repairs, suspension overhauls, or running gear upgrades on this model.

Specifications and technical data

• SKU: 6873800-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6873800
• Substitutable numbers: 6873800, 31316873800, 6792287, 31216792287, 6876840, 31206876840, 6850649, 34116850649, 6792217, 34116792217, 6873417, 34106873417, 6792235, 34116792235
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and Fitment for BMW F30 LCI 318d B47

The offered component is designed for installation on the front left side of the vehicle, which is crucial for correct suspension geometry and driving safety. The kit is dedicated to the facelifted (LCI) BMW 3 Series F30, specifically the 318d version with the B47 engine, ensuring proper structural fit, mounting points, and suspension performance characteristics.

As a genuine BMW part, it maintains factory manufacturing standards and compatibility with other running gear components, including brakes, shock absorber mounts, and the steering system. This is particularly important for repairs where preserving original handling parameters and driving comfort is essential.

Technical Function of the Suspension Kit

The front left strut assembly with hub and steering knuckle is responsible for several key functions in the vehicle:

• vertical and horizontal wheel guidance within the suspension's range of travel,
• transferring loads from the body to the wheel and from the road surface to the chassis,
• ensuring stable mounting of brake components and the wheel bearing,
• maintaining correct wheel geometry (toe, camber, caster).

Therefore, replacing the complete assembly with the correct part dedicated to the specific BMW model helps reduce the risk of incorrect geometry settings, uneven tire wear, or reduced stability at higher speeds.

Application in Repairs and Upgrades

This suspension replacement kit is particularly useful in situations involving mechanical damage to the front left corner – for example, after hitting a curb, a collision, or intensive use on uneven roads. Using a complete assembly instead of individual parts often simplifies the repair process, facilitates installation, and reduces the risk of incompatibility between components.

For vehicles used dynamically or after powertrain modifications, a properly selected suspension component helps maintain predictable vehicle behavior, leading to better control and increased driver confidence in everyday use.

Characteristics of Used Parts

The offered component is in used condition, representing a sensible compromise between repair cost and maintaining the original manufacturer's specifications. In practice, this means the possibility of restoring suspension system functionality with a lower budget than purchasing a new component, while still preserving the factory design and fit.

Before installation, the standard workshop procedure is recommended: visual inspection, checking for play, verifying mounting points, and subsequent wheel alignment after installation in the vehicle. This approach allows for full utilization of the part's potential and ensures stable, predictable suspension performance in daily use.

Compatibility, Reference Numbers, and Part Selection

The component has a dedicated OEM part number and associated replacement numbers, which facilitates precise identification and selection of the correct component for a specific BMW F30 LCI 318d B47 version. When selecting, it is advisable to compare the markings with the vehicle's service documentation or with the numbers on the currently installed part to ensure full compatibility.

This solution allows for safe planning of both routine repairs and more extensive running gear work, minimizing the risk of purchasing an incorrect part and the need for re-disassembly.

If you are planning a comprehensive repair or upgrade of the front suspension area on your BMW and need other parts from the same group, such as shock struts, wheel hubs, or steering knuckles, check the available parts in the BMW Suspension Replacement Kits category.

Practical Knowledge and Use of Used Parts

Using used suspension components in premium cars like the BMW 3 Series is a popular and rational solution, especially when aiming to maintain original handling characteristics at controlled costs. However, this requires a conscious approach to component selection and cooperation with a workshop that will ensure proper installation and geometry alignment.

If you want to better understand how to safely use used components in German-brand cars – for both repairs and modifications – check out the article Audi on Second-Hand Parts – Tuning and Repairs Without Loss of Quality, where we discuss a practical approach to such solutions.