BMW F30 316i N13 Front Left N/S Suspension Leg Spring Strut Brake Disc Caliper

BMW F30 316i N13 Front Left N/S Suspension Leg Spring Strut Brake Disc Caliper is a complete unit mounted on the front axle on the driver's side. The set combines key components of the steering and braking system, ensuring consistent performance of the suspension and brakes in your BMW 3 Series F30 with the N13 engine. Thanks to the factory BMW design and the preservation of OEM geometry, the component works perfectly with the factory front suspension architecture.

Specifications and technical data

• SKU: 6791551-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6791551
• Substitutable numbers: 31316791551, 6791551, 31216792287, 6792287, 34116850649, 6850649, 34116792217, 6792217, 31316874367, 6874367
• Weight: 150
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the vehicle

The offered suspension set is designed for the front, left side of the body in the BMW F30 316i model with the N13 unit. It includes a McPherson strut with a spring and an integrated braking system (disc and caliper), which allows for a consistent replacement of the entire load-bearing, damping, and braking assembly in a single service process.

Such a solution is particularly beneficial for post-collision repairs, replacing worn suspension components, or restoring the correct geometry of the front axle. Maintaining the original BMW design helps reduce the risk of incorrect wheel alignment, uneven tire wear, or deterioration of vehicle stability.

Set construction and installation benefits

The suspension strut with the spring is responsible for transferring loads from the body to the wheel, damping irregularities, and maintaining the proper vehicle height. The integrated brake disc and caliper form a complete braking module for the given wheel, which facilitates service and reduces the number of installation operations.

• consistent replacement of the entire suspension and brake assembly on the front left side,
• preservation of the factory handling characteristics of the BMW F30 316i N13,
• reduction of potential play and discrepancies resulting from mixing different components,
• easier work for the mechanic thanks to the installation of a complete module.

Additionally, the properly selected mass and stiffness of the assembly promote vehicle stability during braking, lane changes, and driving at higher speeds.

Condition, origin, and technical fitment

The element comes from an original BMW suspension system and is classified as a used part. This means the preservation of factory mounting geometry, diameters, and connection points, which translates into high compatibility with factory steering knuckles, hubs, and the braking system in the BMW F30 316i N13.

The set has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific equipment version and vehicle year. Thanks to this, you can precisely match the component to the existing car configuration, minimizing the risk of installation problems.

Application in service practice

The front left suspension set with brake disc and caliper will prove particularly useful in situations where:

• it is necessary to replace the entire suspension strut after mechanical damage,
• components have been deformed after a collision in the front left part of the vehicle,
• it is desirable to restore factory handling and braking efficiency on the driver's side,
• the mechanic wants to shorten repair time by installing a complete module instead of individual parts.

A properly selected and correctly installed set affects driving stability, predictable car behavior in corners, and even operation of the braking system on the left side of the axle.

Integration with other BMW suspension sets

If you are planning a comprehensive repair or upgrade of the front suspension zone in your BMW and need other elements from the same group, such as struts for the right side, additional springs, or complete modules with discs and calipers, check the available parts in the BMW suspension replacement kits category.

How to care for a used suspension and brake set

To maximize the potential of a used suspension and brake system set, it is worth ensuring proper installation, geometry control, and regular inspections of the condition of the spring, shock absorber, and friction elements. Practical tips on operation and maintenance can be found in the article How to extend the life of used car parts?, which discusses, among other things, the principles of caring for suspension and brake components sourced from dismantling.