Bilstein B4 1984 BMW 325e Base Front Twintube Strut Insert

This Bilstein strut is engineered for the verified 1991-1992 BMW 318i application listed below. It is selected by exact manufacturer part number 21-030505, so confirm every fitment note, suspension configuration, ride-height requirement, and included component before ordering.

Key Features

• Gas Pressure Technology: Delivers consistent damping performance over time.
• High Power Reserves: Provides maximum safety margins during daily driving.
• OE Ride Restoration: Returns original driving comfort and handling characteristics.
• Twintube Design: Matches the factory strut cartridge layout for direct fitment.
• Consistent damping across temperature and load changes.
• One front strut insert cartridge.

Fitment

Specifications

What’s Included

One new Bilstein product identified by manufacturer part number 21-030505. Mounts, isolators, fasteners, alignment parts, bump stops, tools, and companion components are included only when expressly stated for this exact part number.

About Bilstein

Bilstein develops lowering, lifting, shock, strut, coilover, spring, sway-bar, spindle, and related suspension products for trucks, SUVs, and performance vehicles. Product selection remains exact-application and exact-part-number specific.

Related Bilstein Products

• Bilstein B4 1982 BMW 528e Base Front Twintube Strut Insert
• Bilstein B4 06-13 BMW 3 Series Base 3.0L Front Left Twintube Strut Assembly
• Bilstein B4 06-13 BMW 3 Series Base 3.0L Front Right Twintube Strut Assembly

Browse the Bilstein collection for related suspension components.

Frequently Asked Questions

Will this Bilstein part fit my 1991-1992 BMW 318i?
That application is listed, but confirm the drivetrain, cab or body style, bed length, factory suspension, production split, current ride height, and every Bilstein application note before ordering.

Will I need an alignment after installation?
An alignment is recommended whenever ride height or suspension geometry changes. Verify tire clearance, steering travel, brake-line routing, headlight aim, and all fastener torque after the work.

Does this include every part needed for installation?
Only parts expressly stated for this exact manufacturer part number are included. Reuse or replacement of mounts, isolators, hardware, alignment parts, bump stops, and related components depends on the application.

Installation Instructions

Follow the current Bilstein instructions and vehicle service information for this exact part number. Support the vehicle safely, use the specified tools and torque values, inspect all mounts and hardware, verify brake-line and tire clearance, settle the suspension, and complete an alignment when geometry or ride height changes. Professional installation is recommended.