Description
The BMW Front Upper Control Arm (Part No. 31126879843) is a genuine OEM suspension component engineered to deliver factory-quality handling, comfort, and durability. Designed specifically for the BMW F15 X5 and F16 X6, this upper control arm maintains proper wheel alignment, improves steering stability, and ensures a smooth ride.
Built from premium-grade aluminum alloy, it offers a perfect balance of strength and lightweight performance. The arm includes precision-fitted bushings and a ball joint, providing long service life and reducing vibration. Replacing worn or damaged control arms helps restore factory driving dynamics and protects tires from uneven wear.
Key Features:
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Genuine BMW OEM suspension part
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Part number: 31126879843
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Position: Front upper control arm
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Ensures precise steering and suspension geometry
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Reduces vibration and enhances ride comfort
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Pre-installed ball joint and bushings for easy installation
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Durable aluminum construction for long-lasting performance
Compatibility / Fitment:
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BMW X5 (F15, 2014–2018)
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BMW X6 (F16, 2015–2019)
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Check vehicle VIN to confirm fitment
Maintenance Tip:
Replace control arms in pairs and perform a wheel alignment after installation for optimal handling and tire wear.

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