Bilstein B4 01-05 BMW 325xi/330xi Front Left Twintube Strut Assembly

Restore Factory Ride Quality with the Correct Bilstein Strut

Bilstein 22-220578 is an application-specific front left strut assembly for the vehicles listed below. It is engineered as an OE-style replacement for the specified factory suspension configuration.

Key Features

• Exact Bilstein manufacturer part number 22-220578.
• B4 OE Replacement application-specific tuning.
• Twin-tube gas-pressure construction.
• Front left placement.
• Direct-fit dimensions and mounting geometry for the manufacturer-listed applications.

Fitment

Fitment tags cover 2 manufacturer-listed year, model and trim combinations. Confirm suspension, drivetrain and option restrictions before ordering.

Specifications

What’s Included

• One Bilstein 22-220578 strut assembly.
• Supporting mounts, springs, boots, bump stops and hardware are separate unless explicitly shown as included by Bilstein.

About Bilstein

Bilstein engineers vehicle-specific dampers with application-tuned valving. Exact part-number matching is essential because visually similar struts can use different mounts, travel, spring seats and calibrations.

FAQ

Is this sold individually?

Yes. This listing is for one strut assembly; order the quantity and opposite-side component required for your vehicle.

Which position does it fit?

Bilstein 22-220578 is listed for the front left position.

Does it fit every trim?

No. Match the fitment table and all suspension, drivetrain and option restrictions.

Does it include a spring?

No spring is included unless the product title explicitly identifies a complete spring-and-damper kit.

Is an alignment required?

An alignment is recommended whenever strut service changes suspension geometry.

Installation Instructions

1. Verify 22-220578 against the complete Bilstein application before disassembly.
2. Use a qualified technician and proper spring-compression equipment.
3. Follow Bilstein and vehicle torque, orientation and transfer-part instructions.
4. Check clearance and suspension travel, then perform an alignment.

Explore more Bilstein suspension products and suspension upgrades.

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