BMW 1 Series 4 E87N LCi 116i Front Right O/S Spring Strut Brake Suspension Axle

BMW 1 Series 4 E87N LCi 116i Front Right O/S Spring Strut Brake Suspension Axle is a complete front suspension strut assembly, designed for the right side of the facelifted BMW 1 Series. The set combines vibration damping and wheel guidance functions, ensuring stable handling, predictable vehicle behavior, and correct axle geometry. It is a practical solution for users looking for a proven, original suspension component for their BMW.

Specifications and technical data

• SKU: 6771554-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 31316771554
• Substitutable numbers: shock absorber, leg, HUB, 31316786018, 6786018, 31316771554, 6771554
• Location on the vehicle: Front, Right
• Category: Other Steering & Suspension Parts

Purpose and function in the chassis system

The presented element combines the shock absorber, steering knuckle, and hub mount into one functional unit, which facilitates maintaining proper wheel guidance on the right side of the front axle. As a result, the suspension system effectively absorbs road irregularities, and the wheel maintains stable contact with the surface, which translates into more confident braking, better traction, and predictable car reactions.

The vehicle placement, defined as front – right side, allows for unambiguous identification of the part's application in the chassis system and reduces the risk of error when selecting the component for a specific BMW 1 Series E87 LCI 116i suspension configuration.

Benefits of using an original BMW component

The original part from the BMW group ensures the preservation of factory suspension performance parameters, which is important for both comfort and driving safety. The strut construction has been designed for:

• precise wheel guidance throughout the full range of suspension travel,
• adequate vibration damping under typical operating loads,
• proper cooperation with other steering and braking system components.

Choosing an original BMW solution reduces the risk of geometry issues, uneven tire wear, or unwanted vibrations that often appear with imprecisely matched aftermarket replacements.

Condition, installation, and service application

The part is offered in used condition, which provides an attractive cost alternative to new components while maintaining the original manufacturer's specifications. This type of element is particularly useful in situations where replacement is necessary due to mechanical damage, a collision, or visible play and unnatural noises from the front suspension.

The shock absorber strut with the steering knuckle is a convenient installation solution – once correctly matched to the model and engine version, it allows for efficient replacement in a workshop environment, and it is recommended to perform a front axle geometry adjustment after installation. This allows for restoring the vehicle's original driving characteristics and achieving stable handling at all speeds.

Selection, compatibility, and reference numbers

The element has an OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific BMW E87 LCI 116i configuration. Before purchasing, it is worth comparing the markings with service documentation or the removed part to confirm full compatibility. Information about the brand, condition, and vehicle placement is also available in the product description, which further supports the correct selection of the component.

If you are planning a comprehensive repair or upgrade of the front suspension in your BMW and need other elements from the same group, such as shock absorbers, steering knuckles, or hubs, check the available parts in the Other BMW category.

Technical support and knowledge about parts

When comparing solutions used in different brands and sports versions, it is worth referring to technical materials. For a better understanding of the differences in the design of suspension, brakes, and power units, you can read the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers design components for performance and durability.

If you are considering the choice between new and used suspension elements, the guide New or used? A comparison of costs and quality of car parts, which discusses the differences in costs, quality, and cost-effectiveness of purchasing used OEM parts, may also be helpful.