Bilstein B4 Front Shock Absorber Damper Strut Insert Cartridge - BMW 5 Series E34 1987-1996 Saloon Touring Estate - OE Replacement Gas-Pressure Twin-Tube - 21-030253 - Fits 518i 520i 525i 525td 525tds

Bilstein B4 Front Damper Insert for BMW E34 5 Series – Part No. 21-030253

Bring your classic 5er back to life with this premium front strut cartridge. Bilstein’s B4 range delivers original-equipment feel with crisp control, making it ideal for a road-going refresh on the E34 platform. Part number 21-030253 is a direct-fit insert for the front suspension housing, restoring stability, steering precision and comfort on British roads without altering ride height or character.

We have fitted these units at MJ Modifications and the feedback from owners has been excellent. Expect a taut, confidence-inspiring drive, reduced float over undulations and consistent damping in everyday use. If your front end feels tired, this gas-charged twin-tube insert is a proven, OE-spec solution.

Why enthusiasts choose this front strut cartridge

• OE-grade damping for the E34 chassis with the dependable Bilstein B4 tune
• Gas-charged twin-tube design for consistent performance and composed ride quality
• Direct replacement insert for the original front strut housing
• Top pin and lower plate mounting for straightforward installation
• Improves stability under braking and turn-in response
• Ideal with standard springs and factory top mounts
• Durable build for daily driving on UK roads

Fitment applications

Front axle use on BMW 5 Series E34 models, saloon and estate, late 1980s to mid 1990s:

• Saloon E34 02.1987–12.1995
  • 518i, 520i, 520i 24V, 525i 24V, 525td, 525tds
• Touring E34 07.1991–07.1996
  • 518i, 518g, 520i, 525td

Technical details

• Fitting position: Front axle
• Design: Strut insert cartridge
• Mounting: Lower plate and top pin
• System: Twin-tube
• Charge: Gas-pressurised

Part identifiers

• Manufacturer reference: 21-030253
• EAN: 4025258600211
• UPC: 651860600215

Installation and workshop support

We recommend replacing front dampers in pairs and inspecting top mounts, bearings, boots and bump stops at the same time. A wheel alignment is advised after any suspension work.

Professional fitting available at MJ Modifications, Warwickshire. Request a quote: info@mjmodifications.co.uk.

Fitment check before dispatch

Provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm compatibility for your E34 before shipping.

Common search phrases for this item

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