BMW Suspension Leg F20 118i B38 Front Left N/S Spring Strut Hub Brake Disc

The Front Left Suspension Strut Assembly for BMW F20 118i B38 is a complete, used part including the strut, wheel hub, and brake disc. Thanks to BMW's factory design and the preservation of the original system geometry, this suspension replacement kit allows for precise rebuilding of the vehicle's front corner without the need to select individual components.

Specifications and technical data

• SKU: 6862171-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6862171
• Substitutable numbers: 31316873721, 6873721, 31216792285, 6792285, 34116850643, 6850643, 34116792215, 6792215, 31316862171, 6862171, 31316791541, 6791541, BG
• Weight: 150
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Kit Purpose and Configuration

The offered part is a complete suspension strut integrated with a wheel hub and brake disc, intended for the front left side of the BMW 1 Series F20 118i with a B38 engine. This configuration simplifies servicing, reduces repair time, and minimizes the risk of assembly errors, as the key components of the drivetrain and braking system are already matched.

The product belongs to the Suspension Replacement Kits category, meaning it is a cohesive package of components responsible for wheel control, vibration damping, and load transfer to the body. This solution is particularly beneficial for collision repairs or when replacing worn-out components in a single suspension corner.

Benefits of Using an Original BMW Suspension Kit

Using a complete, original suspension kit for the BMW F20 118i ensures:

• preservation of the vehicle's factory handling characteristics and stability,
• consistent operation of the suspension with the braking system due to the integrated disc and hub,
• reduced need for additional machining or adaptation of parts during installation,
• easier technical inspection of the entire suspension corner in a single service operation.

An additional advantage is the presence of dedicated mounting points, which facilitates correct geometry alignment and minimizes the risk of incorrect installation compared to random aftermarket replacements.

Condition, Origin, and Technical Aspects

The kit comes from a BMW vehicle and is a used part, allowing for economical repair while maintaining the original manufacturer's specifications. The system, including the strut, hub, and brake disc, was designed as an integral part of the front suspension, taking into account front axle loads and the characteristics of the B38 engine.

The part has an assigned OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific BMW F20 118i configuration. The product also has a specified weight, important for planning transportation and for work on a lift or assembly bench in the workshop.

Professional Installation and Operation

Due to the importance of the front suspension for driving safety, installation by an experienced service center is recommended, using appropriate tools for working with suspension struts and adhering to manufacturer procedures. After installation, wheel alignment is necessary to fully utilize the driving properties of the BMW F20 118i and ensure even tire wear.

For users who want to deepen their knowledge of suspension operation and the impact of individual components on safety, the article: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers will be useful. It allows for a better understanding of the role of the suspension strut in the entire drivetrain.

Other BMW Suspension Replacement Kits

If you are also looking for other BMW suspension replacement kits for your car, check out the BMW suspension replacement kits available in our store to select the appropriate solution for other axles or other models of this brand.