What steering symptoms indicate a worn worm shaft in my i3?

Excessive free play in the steering wheel and a clunking feel when turning are classic signs of a worn worm shaft in your i3.

Is this a complete steering gearbox for the i3?

No, this is the internal worm shaft component. It is intended for rebuilding an existing steering gearbox for your i3.

How does a new worm shaft improve the steering feel of my i3?

It removes the worn section of the gear, eliminating the loose 'dead spot' in the center and restoring precise control for your i3.

Does this shaft come with the necessary bearings and seals for a rebuild on my i3?

This is the shaft only; a full rebuild kit including bearings, seals, and bushings is required to complete the job on your i3.

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

Worm Shaft Assembly

Compatible with BMW i3

✓ Fits 1 Verified BMW i3 Variants

i3 Electric

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Product Description

This worm shaft assembly is the heart of your i3's recirculating-ball steering gearbox, translating steering wheel rotation into linear motion. It features precision-ground worm gear teeth that mesh with ball bearings to provide smooth, low-effort steering with minimal backlash. Rebuilding or replacing this worn component in your i3 eliminates dead spots and binding, returning a precise, on-center feel. For a i3 driver, this means confident and predictable steering control.

Key Features

Precision-ground worm gear ensures smooth engagement with the ball nut
Induction-hardened shaft surface resists wear from the recirculating balls
Machined to exact specifications for proper preload and adjustment
Restores proper steering gear function, eliminating excessive play
Essential for rebuilding the steering box to factory specifications for your i3

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