Why would I need to replace the entire knuckle joint on my i4?

Replacement is necessary if the unit is bent from impact, or if the ball joint or bearing bores are damaged on your i4.

Does this knuckle assembly come with the wheel bearing pre-installed for my i4?

This is the knuckle casting only; the wheel bearing and hub must be transferred from your old unit or purchased separately for your i4.

Will this knuckle joint fit both the driver and passenger side of the i4?

No, knuckle joints are side-specific. Please ensure you are ordering the correct part for the left or right side of your i4.

How does a damaged knuckle affect the braking performance of my i4?

A bent knuckle can misalign the caliper, causing uneven pad wear, brake drag, and reduced stopping efficiency for your i4.

What warranty coverage is included with this steering assembly?

This part comes with a comprehensive 2-year warranty against any manufacturing defects in materials or workmanship.

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Part

Knuckle Joint Assembly

Compatible with BMW i4

✓ Fits 2 Verified BMW i4 Variants

i4 eDrive35 M Sporti4 eDrive40 M Sport

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Product Description

This knuckle joint assembly serves as the central hub connecting the steering, suspension, and braking systems on your i4. It provides the precise mounting points for the ball joint, tie rod, and wheel bearing, ensuring all steering forces are accurately transferred. Machined from high-strength cast iron, this knuckle for the i4 guarantees dimensional accuracy for proper alignment and brake caliper fitment. Restore the structural integrity of your i4's front corner with this essential component.

Key Features

Precision-cast ductile iron provides superior strength and fatigue resistance
Machined mounting surfaces ensure perfect alignment of caliper and ball joint on the i4
Tapered tie rod hole is sized for a secure, rattle-free connection
Integrated ABS sensor mounting boss maintains electronic stability functions
Corrosion-resistant finish prevents seizing of bolts and mating components

Frequently Asked Questions

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