BMW F36 435dX N57Z Front Right O/S M Sport Suspension Leg Spring Strut Brake

The BMW F36 435d xDrive M Sport Front Right Suspension Assembly is a complete unit comprising a McPherson strut with shock absorber, spring, steering knuckle, and the outer driver's side braking system. This solution is designed for models with the N57Z engine, ensuring structural consistency with the factory M package and precise front axle handling.

Specifications and technical data

• SKU: 6856704
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6856704
• Substitutable numbers: 6856704, 31316856704, 6883324, 31316883324, 6873796, 31316873796, 31216859004, 6859004, 34116799470, 6799470, 34106797606, 6797606
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Intended Use and Technical Configuration

The offered component belongs to the Suspension Replacement Kits category and is dedicated to the BMW 4 Series Gran Coupé F36, specifically the 435d xDrive version with the M Sport package. The kit includes a complete suspension strut integrated with the front right brake, which facilitates the maintenance of factory geometry and driving dynamics.

Its placement on the vehicle is the front, right side, which is crucial when selecting parts for cars with xDrive and M Sport suspension, where differences in component characteristics between sides and axles are significant for vehicle stability.

M Sport Suspension Characteristics

The M Sport configuration in the BMW F36 435d xDrive utilizes stiffer spring and shock absorber characteristics, resulting in more direct steering response and reduced body roll. The use of a complete strut from the original BMW construction allows for the preservation of:

• suspension operation consistency with factory steering and xDrive settings,
• correct front ride height relative to the M Sport version,
• predictable behavior during braking and dynamic load changes.

This is particularly important for powerful diesel engines like the N57Z, where the load on the front axle is significantly higher than in weaker variants.

Complete Assembly: Strut, Spring, Steering Knuckle, Brake

The integration of the suspension strut with the front right brake components reduces the number of installation operations and simplifies maintaining the correct alignment of components relative to each other. From a service perspective, this means:

• less interference with individual sub-assemblies,
• easier visual inspection of component condition before installation,
• material consistency with the original BMW construction.

An assembly configured in this way is particularly useful for repairs after collisions or when replacing worn suspension and brake components on one side of the vehicle.

Condition, Origin, and Fitment

The component comes from the BMW line and is an OEM type part, ensuring compliance with the manufacturer's factory technical documentation. The product is used, offering a reasonable compromise between repair cost and maintaining the vehicle's original specifications. When selecting, it is recommended to verify compatibility with the specific equipment version and drivetrain (xDrive, M Sport) of your F36 model.

For easier identification, a dedicated warehouse identifier from the Suspension Replacement Kits group has been used. The part has an assigned OEM number and a set of interchangeable numbers, allowing for precise matching in service catalogs and parts selection systems.

Selecting Used M Sport Suspension – Practical Knowledge

When choosing a used suspension kit for a BMW, it is important to pay attention to the compatibility of the body style, drivetrain type, and equipment package. For the F36 435d xDrive with M Sport suspension, the differences in spring and shock absorber characteristics compared to standard versions are significant, making the use of OEM parts from the same configuration beneficial for both handling and the durability of other drivetrain components.

If you want to better understand the differences between standard and sport suspension, and to approach the purchase of used parts consciously, it is worth reading the article: Standard vs. Sport Suspension – Construction Differences and Selection of Used Parts.

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other parts from the same group, such as McPherson struts, springs, or complete assemblies with brakes, check the available parts in the BMW Suspension Replacement Kits category.