BMW X3 Series E83 2.0d N47 Rear Left N/S Suspension Leg Arm Brake Disc

The Rear Left Suspension Assembly with Brake Disc for BMW X3 E83 2.0d N47 is a complete assembly unit designed for the rear axle on the driver's side. It includes a suspension arm, strut, and brake disc, facilitating servicing and speeding up the replacement of the entire unit. This is a practical solution for users seeking a consistent, factory-standard suspension and brake system rather than selecting individual parts.

Specifications and technical data

• SKU: 3420501-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3420501
• Substitutable numbers: 33303420501, 3420501, 34216765883, 6765883, 33207524041, 7524041, 33217529917, 7529917, 34213332217, 3332217, 33303413255, 3413255, 33303405877, 3405877, 34216750161, 6750161
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Application and Fitment for BMW X3 E83 2.0d N47

The presented component has been designed for the BMW X3 E83 series with the 2.0d N47 engine, intended for the rear left side of the vehicle. Integrating the suspension strut, arm, and brake disc reduces the risk of incorrect component selection and helps maintain proper axle geometry.

The placement on the vehicle is clearly defined as the rear – left side, allowing the mechanic or user to precisely plan the replacement without the need for additional measurements or comparisons with other assembly variants.

Assembly Construction and Function in the Drivetrain

This assembly from the Suspension Replacement Kits category combines several key sub-assemblies responsible for wheel guidance and brake force transfer into a single module. The suspension arm stabilizes the hub's position relative to the body, the strut handles vertical loads, and the brake disc works with the caliper to ensure effective deceleration.

This combination of elements in one unit:

• facilitates structural consistency on the rear left side,
• reduces the number of connections and potential points of play,
• speeds up the assembly and disassembly process during repairs.

Benefits of Using an Original BMW Component

Using an original suspension and brake assembly for the BMW X3 E83 allows for the preservation of the vehicle's factory handling characteristics. The appropriately selected stiffness of the arm and the geometry of the mounting points contribute to stability at higher speeds, and the correctly chosen brake disc supports the uniform operation of the brake system on the rear axle.

The main advantages of this solution include:

• compatibility with the factory BMW suspension system,
• maintaining the rear axle's performance characteristics as intended by the manufacturer,
• reduced risk of incorrect component fitment during replacement.

Condition, Origin, and Service Application

The component is a used part from disassembly, offered as a sensible choice for routine repairs on older BMW X3 E83 models. Such complete assemblies are particularly useful for repairs following mechanical damage, corrosion of mounting points, or uneven wear of suspension and brake components on one side of the vehicle.

Before installation, a standard operational status check by a mechanic is recommended, followed by a suspension alignment after the repair is completed, to fully utilize the assembly's potential and ensure proper vehicle handling.

Technical Support and Additional Materials

To better understand the role of such assemblies in the drivetrain and the impact of shock absorbers, control arms, and stabilizers on safety, it is worth reading the guide: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers. The article helps to consolidate knowledge on the diagnosis and maintenance of suspension in modern cars.

If you are considering whether a reconditioned part or a used original part from disassembly would be a better solution, the material: Reconditioned or Used Original – Which Part to Choose for Repair? may be helpful, discussing the practical differences between these approaches with examples of popular components.

If you are planning a comprehensive repair of the rear axle in your BMW and also need other parts from the same group, such as additional arms or complete rear modules, check the available parts in the category BMW Suspension Replacement Kits.