BMW 3 E91 Touring 320d N47 Front Left N/S Spring Strut Brake Suspension Leg Hub

The BMW E91 Front Left Shock Absorber Knuckle Caliper is a complete, used set of suspension and braking system components designed for the front left side of the vehicle. Combining the shock absorber, knuckle, and caliper into a single module simplifies servicing, reduces repair time, and allows for a cohesive replacement of key components responsible for vehicle handling and braking stability.

Specifications and technical data

• SKU: 6786013-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786013
• Substitutable numbers: 31316786013, 6786013, 34116778145, 6778145, 31216793923, 6793923, 31316772921, 6772921, 31316768215, 6768215, 31216764443, 6764443, 34116792219, 6792219, 34116774875, 6774875, BG
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Intended Use and Function of the Set

This set, from the Suspension Replacement Kits category, is designed for BMW 3 Series E91 models where precise front axle control is crucial. Integrating the shock absorber with the front knuckle and brake caliper on the left side helps maintain the factory suspension geometry, as well as the correct positioning of the hub, disc, and brake pads relative to each other.

Its placement on the vehicle as Front, Left means this component is responsible for the operation of the entire suspension corner on the driver's side, influencing stability during braking, cornering, and maintaining the correct driving line.

Set Construction: Shock Absorber, Knuckle, Caliper

The set includes a front shock absorber, which dampens vibrations and controls wheel movement relative to the body, a knuckle that serves as a rigid mounting point for the hub and steering components, and a brake caliper responsible for pressing the pads against the disc. This configuration ensures consistent suspension and brake operation, which is particularly important in BMW cars designed for precise handling.

Thanks to the original OEM design, the correct mounting points for control arms, tie rods, and brake system components are preserved, facilitating installation and subsequent wheel alignment. The set is suitable for both standard replacement of worn components and for repairs after a collision in the front left corner.

Benefits of Using an Original BMW Set

Choosing a complete shock absorber-knuckle-caliper set for the BMW E91 helps reduce the risk of incompatibility between individual parts from different manufacturers. The original design ensures:

• consistent operation of the suspension and brakes on the front left side,
• preservation of the factory handling characteristics typical for BMW,
• easier installation thanks to manufacturer-designed mounting points,
• the possibility of using existing accompanying components (control arms, tie rods, brake lines) while maintaining correct geometry.

The used condition allows for an economical repair while preserving the original BMW design, which is important for users who value factory solutions and predictable vehicle behavior on the road.

Application in Suspension Service and Repairs

This type of set is particularly useful in situations where multiple components have been damaged simultaneously – for example, after hitting a curb, a pothole, or as a result of a collision. Instead of sourcing individual parts, the mechanic receives a ready-made module that can be installed in place of the old one, followed by a geometry adjustment.

This reduces vehicle downtime in the workshop and minimizes the risk of installation errors, as all components of the set are structurally integrated. This is a practical solution for both professional workshops and for users who personally oversee the repairs of their BMW.

Selecting Used Suspension Components and Technical Knowledge

When selecting used suspension components, it is worth paying attention to compatibility with the OEM part number and interchangeable numbers, which help confirm the fit for a specific BMW E91 version. Proper selection is crucial for safety, durability, and driving comfort.

If you want to better understand the differences between standard and sports suspension, and approach the purchase of used components such as shock absorbers, knuckles, or calipers consciously, read the article Standard vs. Sports Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?, where you will find practical advice, comparison tables, and answers to the most common questions.

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 absorbers, knuckles, or calipers, check the available parts in the BMW Suspension Replacement Kits category.