Bilstein B4 OE Replacement Front Shock Absorber for BMW E30 325iX – Part Number 21-216381
Upgrade your BMW E30 suspension the right way with the Bilstein B4 OE Replacement Front Shock Absorber, part number 21-216381. This front strut insert is engineered for the BMW 3 Series E30 325iX and delivers true OEM ride quality with enhanced control, stability and confidence. If you are searching for BMW E30 front shocks, BMW E30 front strut insert, E30 325iX shock absorber, or Bilstein B4 E30 front damper, this is the direct-fit solution you want for daily road use with precise, predictable handling.
Bilstein pioneered gas-pressure shock technology over 60 years ago and the B4 range continues that heritage. The B4 is the go-to OE replacement shock for restoring factory comfort while sharpening steering response and traction. We have fitted Bilstein B4 dampers on E30 builds and customer cars, and feedback has been consistently positive for ride comfort, control and durability.
Why choose Bilstein B4 for your BMW E30 325iX
- OE replacement front shock absorber for BMW E30 325iX for factory-correct fitment and performance
- Gas-pressure twin-tube design for consistent damping and improved stability
- High power reserves for maximum safety and confident braking
- Optimal driving feel as on day one with genuine OE quality
- Constant damping performance under load for everyday road use
- Precise handling and high traction thanks to Bilstein gas-pressure technology
- Perfect for restoring tired E30 suspension without compromising comfort
Technical details
| Fitting position | Front axle |
| Shock absorber design | Suspension strut insert |
| Mounting type | Bottom plate, top pin |
| System | Twin-tube |
| Type | Gas pressure |
Vehicle compatibility
Specific fitment for BMW 3 Series E30 325iX models:
- BMW 3 Series E30 Saloon 325 i X (09.82 to 03.92)
- BMW 3 Series E30 Touring 325 i X (07.87 to 10.94)
If you are searching for BMW E30 325iX front shock, E30 325iX strut insert, or Bilstein B4 21-216381, this part is the correct OE replacement damper for the front axle of the E30 325iX saloon and touring.
Fitting and setup
We recommend replacing shocks in axle pairs for best results, followed by a wheel alignment. Professional installation is advised. For expert fitting, choose Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Compatibility check
We will verify compatibility before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure the Bilstein B4 21-216381 front shock absorber is correct for your BMW E30 325iX.
Part numbers and identifiers
- Part number: Bilstein 21-216381
- Alternate code: BILSTEIN-21-216381
- EAN: 4025258697730
- UPC: 651860696539
Search-friendly terms
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