Description
BMW E61 520d M47N2 Rear Right Knuckle with Control Arm is an original suspension component designed for the rear right side of the vehicle, specifically for BMW 5 Series E61 models with the M47N2 engine. This solution allows for precise restoration of suspension geometry, maintaining driving stability, and proper load transfer on the rear axle, while preserving factory mounting points and operating characteristics.
Specifications and technical data
- SKU: 6770924-9
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6770924
- Substitutable numbers: 33326770924, 6770924, 34216765910, 6765910, 33217547821, 7547821, 33207531574, 7531574, 34216864061, 6864061, 33326761228, 6761228, 34216753215, 6753215, 34216772085, 6772085
- Location on the vehicle: Rear, Right
- Category: Suspension Component Replacement Kits
Purpose and Function in the Suspension System
The knuckle integrated with the control arm for the rear right side is responsible for stable wheel guidance, maintaining the set toe angle, and proper interaction with other suspension and braking system components. In conjunction with other rear axle components, it ensures:
- proper wheel guidance in the vertical and horizontal planes,
- transfer of braking and acceleration forces to the body,
- maintenance of correct suspension geometry under typical operating conditions.
Thanks to its design conforming to factory BMW specifications, the component retains the driving characteristics typical of the 5 Series E61, which is important for both daily driving and under heavier loads.
Compatibility and Interchangeable Numbers
The presented knuckle with control arm belongs to the Suspension Replacement Kits group and has been developed as a part compliant with factory BMW standards. The component has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with the specific vehicle configuration and production year.
The presence of multiple reference numbers allows for the safe replacement of various factory variants within the same platform, provided correct selection according to service documentation or parts catalog. It is advisable to compare the markings with your vehicle’s data before purchasing to ensure full mechanical and assembly compatibility.
Vehicle Placement and Installation Aspects
The knuckle with control arm is intended for the rear right side of the vehicle, meaning its geometry, mounting points, and operating kinematics are optimized solely for this position. In practice, this translates to:
- correct alignment of the hub and wheel mounting plane relative to the body,
- proper positioning of the shock absorber, spring, and other control arm mounting points,
- maintenance of factory camber and toe angles after suspension geometry adjustment.
The component is from a dismantled vehicle, so during installation, the standard service procedure is recommended: checking mounting points, using new bolts and nuts in locations recommended by the manufacturer, and final adjustment of the rear axle geometry on a measuring station.
Benefits of Using an Original BMW Knuckle
Choosing a control arm knuckle dedicated to the BMW E61 520d M47N2 allows for maintaining the structural integrity of the entire suspension system. The original geometry and spacing of mounting points minimize the risk of installation problems, incorrect wheel alignment, or accelerated tire wear. Using components compliant with the factory design promotes predictable vehicle behavior on the road and facilitates subsequent service maintenance.
The knuckle integrated with the control arm is particularly important in vehicles used with trunk loads or on long journeys, where rear axle stability affects driving comfort, braking effectiveness, and passenger safety.
Selecting a Used Knuckle and Technical Support
When choosing a used suspension component, it is worth paying attention to the compatibility of the OEM number, the list of interchangeable numbers, and the vehicle placement. For users who want to better understand the differences between factory and sport solutions and make informed decisions when buying used parts, the article will be helpful: Stock vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?.
If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other components from the same group, such as additional control arms, mounting elements, or compatible rear beam components, check the available parts in the category BMW Suspension Replacement Kits.
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