Bilstein 19-323312 B4 OE Replacement Rear Shock Absorber for BMW G20 G21 G80 G81
Looking to restore factory ride quality and sharp handling on your BMW 3 Series or M3. The Bilstein B4 OE Replacement Rear Shock Absorber is the direct-fit, OEM-spec solution for BMW G20, G21, G80 and G81 platforms. Part number Bilstein 19-323312 delivers OE performance, reliable comfort and precise control using proven Bilstein gas-pressure twin-tube technology. Perfect for BMW G20 rear shock replacement, BMW G21 Touring rear damper, BMW G80 rear shock absorber and BMW G81 rear damper searches.
This genuine Bilstein B4 rear damper is designed to match BMW original equipment characteristics while improving consistency and safety under load. If you are searching for BMW 3 Series rear shock absorber, BMW G20 rear damper, BMW G21 rear shock, BMW M3 G80 rear shock absorber, or OE replacement rear shock for BMW 3 Series, this is the exact part you want for a straightforward, bolt-on fit.
Why choose Bilstein B4 for your BMW
- OE replacement performance for BMW 3 Series G20 G21 and BMW M3 G80 G81
- Gas-pressure twin-tube design for consistent damping and control
- Direct-fit, bolt-on rear shock absorber that restores factory ride
- High traction and stability for confident braking and cornering
- Durable build quality and long service life from a trusted brand
- Ideal for daily driving, motorway miles and spirited B-road use
We have fitted these Bilstein B4 rear dampers on customer cars and in our own builds. Feedback is consistently positive with owners reporting improved ride comfort, sharper turn-in and a planted rear end. If you are replacing tired BMW rear shocks or chasing down knocks and bounce, Bilstein 19-323312 is the dependable, OE-quality fix.
Key features and benefits
- High power reserves for maximum safety
- Optimum driving feel as on day one
- Constant damping performance under varying loads
- High OE quality with precise handling
- Comprehensive model coverage for BMW 3 Series and M3
Technical specification
- Fitting position: Rear axle
- Shock absorber type: Gas pressure
- Shock absorber system: Twin-tube
- Shock absorber design: Absorber does not carry a spring
- Mounting type: Bottom eye, top pin
BMW model compatibility
BMW 3 Series and M3 platforms:
- 3 Series Saloon 3 G20 G80 11.18 onwards
- 320e Plug-in-Hybrid, 330e Plug-in-Hybrid, 330e Plug-in-Hybrid xDrive
- 316d Mild-Hybrid, 318d Mild-Hybrid, 320d Mild-Hybrid, 320d Mild-Hybrid xDrive
- 330d Mild-Hybrid, 330d Mild-Hybrid xDrive, M340d Mild-Hybrid xDrive
- 3 Series Touring 3 G21 G81 07.19 onwards
- 320e Plug-in-Hybrid, 330e Plug-in-Hybrid, 330e Plug-in-Hybrid xDrive
- 318i, 320i, 330i, 330i xDrive, M340i Mild-Hybrid xDrive
- 316d, 316d Mild-Hybrid, 318d, 318d Mild-Hybrid
- 320d, 320d Mild-Hybrid, 320d xDrive, 320d Mild-Hybrid xDrive
- 330d, 330d Mild-Hybrid, 330d xDrive, 330d Mild-Hybrid xDrive, M340d Mild-Hybrid xDrive
- 3 Series Touring Van G21 07.19 onwards
- 320i, 330i, M340i xDrive, 320d, 320d Mild-Hybrid, 320d xDrive, 320d Mild-Hybrid xDrive, 330d, 330d xDrive
Not sure if this rear shock fits your BMW. Use our Compatibility Check before dispatch. Enter your UK registration number or the last 7 digits of your VIN at checkout and we will confirm fitment for your exact car.
Professional fitting
Want it fitted. Nforcd offers professional installation in Warwickshire. Request a fitting quote at Sales@nforcd.com and our team will get you booked in.
Part numbers and identifiers
- Part number: Bilstein 19-323312
- SKU reference: BILSTEIN-19-323312
- EAN: 4025258879525
- UPC: 651860887227
Choose Nforcd
Genuine Bilstein parts, straight-talking advice and performance-focused service. If you are searching for BMW G20 rear shock absorber, BMW G21 rear damper, BMW G80 G81 rear shock, or Bilstein B4 OE replacement BMW, add this to your basket with confidence.