Front Left Aluminum Tension Strut Lower Control Arm Compatible with BMW X3 E83
Front-left aluminum suspension tension strut with pre-installed rubber mounting, compatible with selected BMW X3 E83 vehicles. Cross-references OE numbers 31103443127 and 31100363477 for aftermarket suspension repair and replacement.
1. Vehicle Compatibility and Position
The KU-FV-06-005 is an independent aftermarket front-left suspension tension strut designed for selected BMW X3 E83 vehicles. Also referred to as a front lower control arm, it corresponds to OE cross-reference numbers 31103443127 and 31100363477.
The component installs on the vehicle’s left side when viewed in the forward direction. Compatibility should be verified using the OE number, VIN and vehicle production date before ordering.
2. Pre-Assembled Suspension Component
• Aluminum Arm Construction: Provides a strong, corrosion-resistant structure suitable for regular suspension loads and road use.
• Pre-Installed Rubber Mounting: Reduces the need to purchase and press-fit the main mounting bushing separately.
• Vehicle-Specific Curved Profile: Designed around the mounting layout and suspension geometry of compatible X3 E83 applications.
• Front-Left Configuration: Manufactured specifically for the left side of the front suspension and is not interchangeable with the right-side component.
3. Suspension Function and Ride Control
• Wheel Position Control: Helps maintain the designed position of the wheel assembly during acceleration, braking and cornering.
• Load Transfer: Transfers suspension and braking forces between the wheel carrier and the vehicle subframe.
• Vibration Isolation: The integrated rubber mounting helps absorb road vibration and reduce the transmission of harshness into the vehicle body.
• Steering Stability: Replacing a worn or damaged tension strut can help restore consistent suspension movement and steering response.
4. Replacement and Installation Guidance
• Direct Replacement Layout: Mounting points and component shape are configured for compatible OE applications.
• Workshop Installation: Professional installation is recommended because suspension fasteners require the correct tightening procedure and torque specifications.
• Related-Part Inspection: The ball joint, opposite-side tension strut, control-arm bushings and surrounding suspension components should be inspected during replacement.
• Alignment Required: A four-wheel alignment should be performed after installation to confirm toe, camber and steering-wheel position.
| Item | Parameter |
|---|---|
| SKU | KU-FV-06-005 |
| OE Cross-References | 31103443127 / 31100363477 |
| Product Type | Suspension tension strut / lower control arm |
| Product Category | Independent aftermarket replacement part |
| Installation Position | Front left |
| Main Material | Aluminum alloy |
| Rubber Mounting | Pre-installed |
| Compatible Make | BMW |
| Compatible Model | X3 |
| Chassis Code | E83 |
| Reference Model Years | 2004–2010 |
| Drivetrain Application | Selected xDrive vehicles |
| Primary Function | Front suspension location, load transfer and vibration isolation |
| Fitment Verification | Confirm the OE number, VIN, production date and installation side before ordering |
Compatibility Notice
BMW and its vehicle model names are trademarks of their respective owner. These names and OE numbers are used solely for product identification and compatibility reference. This product is an independent aftermarket replacement part and is not represented as a genuine, authorized or endorsed BMW component.
1. Applications
• Suspension repair workshops
• Automotive parts distributors
• Independent vehicle service centers
• Front suspension replacement projects
• Selected BMW X3 E83 maintenance applications
2. Package
Included Components
• Rubber Mounting: Pre-installed
• Front Left Tension Strut: 1 pc

