BMW G30 5 Series Front Lower Wishbone / Lower Arm 31108873861/862 Brand New Original

Quick Answer

This front lower wishbone is the correct fix when you feel clunking over bumps, notice uneven front tyre wear, or pick up excessive play in the front suspension during a workshop inspection. Because this arm carries a bonded rubber bushing and precision ball joint that cannot be serviced separately once worn, a factory-sealed brand-new original unit is the only way to restore exact OE geometry and avoid a repeat failure within months. Fitting a genuine sealed part also protects the alignment settings and steering feel that the G30 platform was tuned for.

Diagnosis and Common Symptoms

A worn or damaged front lower wishbone on the G30 5 Series typically presents as a knocking or clunking noise from the front end, most noticeable over speed bumps, potholes, or during low-speed turns. Drivers often report vague or wandering steering, a "loose" feeling through the wheel, and uneven or accelerated wear on the inner or outer edge of the front tyres. In more advanced cases, a failing bushing or ball joint inside the arm can trigger a knocking sound under braking or acceleration due to shifting geometry. While this component does not usually store a dedicated fault code, it can indirectly affect ride height sensor readings on cars equipped with adaptive suspension, occasionally logging a chassis-level fault or triggering a warning for suspension control. A physical inspection will usually reveal play in the ball joint, a cracked or perished bushing, or visible corrosion and deformation of the arm itself. Left unaddressed, a failing lower wishbone accelerates wear on adjacent components, including the anti-roll bar link, tie rod, and tyres.

Introduction

This listing is for a Brand New Original front lower wishbone / lower arm for the BMW G30 5 Series, supplied factory-sealed in its original box. As a Brand New Original component, it carries no history of wear, corrosion, or prior installation, unlike used or reconditioned alternatives sourced from salvage yards. The sealed packaging confirms the part has never been opened or fitted, giving full assurance of ball joint integrity and bushing condition. Every unit is matched to part number 31108873861/862, ensuring correct fitment and long-term reliability for the G30 platform.

Product Details

• Brand: BMW Genuine
• Model Compatibility: BMW G30 5 Series
• Part Name: Front Lower Wishbone / Lower Arm
• Part Number: 31108873861 / 31108873862
• Fits: BMW G30 5 Series
• Condition: Brand New Original (Sealed in Box)
• Notes: Left and right side arms are not interchangeable, confirm correct part number against the chassis and side (driver/passenger) before ordering. This arm includes an integrated ball joint and bushing, neither of which is sold or replaceable separately.