Description
The BMW X3 F25 30dX N57N Rear Left Knuckle Suspension Caliper Disc is a complete rear suspension component designed for the left-hand drive axle. The kit combines key suspension and brake components, simplifying servicing and ensuring a consistent, factory fit for the BMW construction. This makes it a practical solution for post-accident repairs, suspension refurbishment, or replacement of worn parts.
Specifications and technical data
- SKU: 6797569-1
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6797569
- Substitutable numbers: 33406797569, 6797569, 34216791017, 6791017, 33207598035, 7598035, 34206868936, 6868936
- Weight: 150
- Location on the vehicle: Rear, Left
- Category: Suspension Component Replacement Kits
Vehicle Application and Function
This kit, from the Suspension Replacement Kits category, is designed for the rear axle on the left side. The knuckle serves as the central mounting point for suspension and brake system components, transferring loads from the wheel to the body and working with other components of the BMW X3 F25 30dX N57N rear suspension.
The placement on the vehicle, specified as rear – left side, ensures unambiguous installation identification, minimizing the risk of part selection errors. The integration of the knuckle with the brake caliper and disc helps maintain the consistency of the suspension system’s geometry and operating characteristics.
Kit Construction and Benefits of Complete Replacement
The kit includes the left rear knuckle along with brake system components – the caliper and disc. This solution:
- simplifies installation, as key components are already structurally matched,
- reduces the number of service operations when replacing a damaged suspension corner,
- maintains technical consistency between the suspension and brakes on the respective side of the vehicle.
Additionally, the specified kit weight indicates a robust, factory construction, adapted to the loads generated by the xDrive drivetrain and the vehicle’s mass. Using an original BMW solution promotes the maintenance of proper rigidity and stability of the rear axle.
Condition, Origin, and Technical Fitment
This part comes from the BMW line and is a used type, offering a reasonable cost while maintaining the original manufacturer’s specifications. The kit has an assigned OEM part number and relevant cross-reference numbers, allowing for precise verification of compatibility with a specific BMW X3 F25 30dX N57N version.
When selecting a knuckle with a caliper and disc, it is important to consider:
- OEM number compatibility with the vehicle’s service documentation,
- the list of interchangeable reference numbers for the specific year and engine version,
- vehicle placement (rear, left side) and body type.
If you wish to learn more about the safe use of used components in premium cars, read the article Audi on second-hand parts – tuning and repairs without quality loss, which discusses a practical approach to installing tested parts from the aftermarket.
How to Select the Correct Suspension Kit by OEM Number
To ensure that the selected left rear knuckle with caliper and disc is fully compatible with your BMW X3 F25, it is advisable to rely on the OEM part number and cross-reference numbers. This helps avoid installation issues, suspension geometry discrepancies, or brake component mismatches.
If you need a practical guide to verifying compatibility by VIN and OEM number, the material Guide: how to select the correct car part by VIN and OEM number will be helpful, providing a step-by-stepof the parameter checking process and a list of questions for the seller.
Related BMW Suspension Kits
If you are planning a more extensive service of the rear suspension system and are also interested in other components from the same assembly group for this manufacturer, check the available parts in the BMW Suspension Replacement Kits category.
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