
Bilstein B4 OE Replacement Front Shock Absorber - BMW E24 E28
Restore factory ride, handling and safety on your classic BMW with the Bilstein B4 OE Replacement Front Shock Absorber, part number BILSTEIN-21-030512 (Bilstein 21-030512). This front damper is engineered for BMW E28 5 Series and BMW E24 6 Series applications where true OE quality, comfort and control matter. The B4 delivers dependable gas-pressure damping that brings your car back to how BMW intended it to feel from day one.
We use Bilstein B4 shocks on our own BMW projects and our customers consistently praise the OE ride quality, precise steering and confidence-inspiring stability. If your E24 or E28 feels tired, bouncy or floaty, this Bilstein B4 front strut insert is the reliable, long-lasting fix that keeps the car original while improving everyday drivability.
Why choose Bilstein B4 for your BMW E24 and E28
- OE replacement fit and performance for BMW 5 Series E28 and 6 Series E24
- Gas-pressure twin-tube design for consistent damping and control
- High power reserves for maximum safety under braking and cornering
- Stable, predictable handling with excellent traction and comfort
- Built to genuine OE quality standards for durability and longevity
- Ideal for a factory-spec suspension refresh on road cars and daily drivers
Key specifications
- Fitting position: Front axle
- Design: Suspension strut insert
- Mounting type: Bottom plate, top pin
- System: Twin-tube
- Type: Gas pressure
Confirmed BMW compatibility
BMW 5 Series E28 - 05.1981 to 12.1987
- 518, 518i, 520i, 525i, 525e, 528i, 533i, 524d, 524td
BMW 6 Series E24 - 10.1975 to 04.1989
- 628 CSi, 633 CSi, 635 CSi
Fitment and installation
Professional fitting is recommended for best results and alignment. Nforcd offers expert installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility check before dispatch
We verify compatibility prior to shipping. Please provide your UK registration number or the last 7 digits of your VIN at checkout to ensure the correct front shock absorber for your BMW E24 or BMW E28.
Part numbers and identifiers
- Part number: BILSTEIN-21-030512
- Manufacturer: Bilstein
- EAN: 4025258430887
- UPC: 651860430881
Helpful notes
- Replace dampers in axle pairs where possible for balanced handling
- Combine with good condition springs, top mounts and bump stops for a complete suspension refresh
Search-friendly terms
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