BMW F36 430i B48 Front Left N/S M Sport Suspension Leg Spring Strut Brake Disc

BMW F36 430i B48 Front Left N/S M Sport Suspension Leg Spring Strut Brake Disc is a complete assembly including the McPherson strut with shock absorber, spring, steering knuckle, and brake disc, designed for the front axle on the driver's side. This solution is engineered to maintain the factory handling characteristics, stiffness, and precision of the M Sport suspension system, while ensuring high stability during dynamic driving.

Specifications and technical data

• SKU: 6883330
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6883330
• Substitutable numbers: 6883330, 31316883330, 6873789, 31316873789, 6856698, 31316856698, 31216799097, 6799097, 34116850969, 6850969, 34116792221, 6792221, BG
• Weight: 150
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and technical configuration

The offered item belongs to the Suspension replacement kits category and is dedicated to BMW 4 Series Gran Coupé F36 models with the B48 engine in the 430i version, equipped with the M Sport package. The set includes the front left suspension strut integrated with brake system components, which facilitates service and reduces installation time on the vehicle.

The placement on the vehicle is front, left side, ensuring the component is clearly assigned to a specific mounting position in the suspension. The use of the original BMW design ensures proper geometry, correct spring and shock absorber operating characteristics, and compatibility with the factory brake system.

M Sport suspension operating characteristics

The M Sport version is distinguished by a sportier damping characteristic and a stiffer spring compared to the standard stock suspension. This translates into:

• more direct steering response,
• better control of body roll in corners,
• more stable behavior at higher speeds.

Combining the suspension strut with the brake disc in one assembly allows for consistent operation of the chassis – from wheel guidance to effective speed reduction. This is particularly important in higher-power cars, such as the BMW 430i B48, where the suspension and brake systems operate under greater load.

Benefits of using an original used set

The presented item is an original BMW part in used condition, which allows for maintaining factory suspension performance parameters while reducing repair costs. Using an OEM component means:

• secure fitment to mounting points and body geometry,
• compliance with factory chassis settings,
• no need for modifications to additional elements during installation.

For users considering the differences between stock and sport suspension and the rationale for installing used parts, the following article will be helpful: Stock vs. sport suspension – design differences and selection of used suspension components, which discusses parameters, configuration examples, and practical tips in detail.

Use in service and repairs

This type of complete suspension assembly with a brake disc is particularly useful for post-accident repairs, replacement after mechanical damage, or comprehensive front axle regeneration. Integrating several sub-assemblies into one module:

• simplifies the assembly process in the workshop,
• reduces the risk of incorrect assembly of individual components,
• allows for faster restoration of correct suspension geometry.

If you are planning a comprehensive repair or upgrade of the front suspension area in your BMW and need other items from the same group, such as struts, springs, or complete strut modules with mounts, check the available parts in the BMW suspension replacement kits category.

Summary

BMW F36 430i B48 Front Left N/S M Sport Suspension Leg Spring Strut Brake Disc is a solution intended for drivers who want to maintain factory handling characteristics and chassis stiffness at reasonable service costs. The original BMW design, integration with brake components, and dedicated application for the front axle on the driver's side make it a functional choice for repairs and upgrades of M Sport suspension systems.

Additional information on the advantages of using original used components in vehicle repairs can be found in the guide: Why used original OEM parts are a safe and economical choice, which discusses quality, safety, and cost-effectiveness of such solutions.