Bilstein 20-303334 B4 DampTronic Rear Shock Absorber - BMW G20 G42 G81 OE Replacement
Upgrade your BMW’s handling and ride comfort with the Bilstein B4 DampTronic rear shock absorber, part number 20-303334. This genuine Bilstein OE replacement damper is engineered for vehicles with electronic suspension control, delivering factory-correct performance with plug-and-play compatibility. If you are searching for BMW G20 rear shock absorber, BMW G21 rear damper, BMW G42 rear shock, BMW G81 rear shocker, Bilstein B4 DampTronic, EDC rear shock, or OE equivalent gas pressure twin-tube damper, this is the premium choice.
Bilstein’s B4 range is built to OE specifications and quality, using proven gas-pressure technology for consistent damping and precise control. Expect high safety reserves, stable performance under load, confident traction and sharp handling. We use Bilstein B4 DampTronic extensively on customer cars and our own vehicles, and feedback has been consistently excellent for comfort, control and durability.
Why choose Bilstein B4 DampTronic 20-303334 for your BMW
- Direct OE replacement for electronic suspension control - ideal for BMW EDC and factory adaptive systems
- Consistent damping and high traction thanks to Bilstein gas-pressure technology
- OE quality, OE fitment, OE reliability - like-for-like replacement that restores that as-new ride
- Twin-tube construction for comfort and control on UK roads
- Engineered for safety, stability and everyday performance
Key search terms
Bilstein 20-303334, BILSTEIN-20-303334, Bilstein B4 DampTronic rear shock, BMW G20 rear shock absorber, BMW G21 rear damper, BMW G42 rear shock, BMW G81 rear shock absorber, BMW 3 Series G20 G21 G80 G81 rear damper, BMW 2 Series G42 rear shocker, EDC rear shock, electronic suspension shock, adaptive suspension rear damper, OE replacement shock, OEM quality shock absorber, gas pressure twin-tube rear damper.
Technical specification
| Fitting Position | Rear axle |
| Shock Absorber Design | Absorber does not carry a spring |
| Mounting Type | Bottom eye, Top pin |
| System | Twin-tube |
| Type | Gas pressure |
| Suspension Compatibility | For vehicles with electronic suspension control |
Compatibility - BMW applications
2 Series
- 2 Coupe G42 - 08.21 onward
- 218i, 220i, M240i xDrive, 220d Mild-Hybrid
3 Series
- 3 Series Saloon G20, G80 - 11.18 onward
- 320e Plug-in-Hybrid, 330e Plug-in-Hybrid, 330e Plug-in-Hybrid xDrive
- 318i, 320i 1.6, 320i, 320i xDrive, 330i, 330i xDrive, M340i, M340i xDrive
- 316d, 316d Mild-Hybrid, 318d, 318d Mild-Hybrid, 320d, 320d Mild-Hybrid
- 320d xDrive, 320d Mild-Hybrid xDrive, 330d, 330d xDrive, 330d Mild-Hybrid xDrive, M340d Mild-Hybrid xDrive
- 3 Series Touring G21, G81 - 07.19 onward
- 320e Plug-in-Hybrid, 330e Plug-in-Hybrid, 330e Plug-in-Hybrid xDrive
- 318i, 320i, 330i, 330i xDrive, M340i 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 Touring Van G21 - 07.19 onward
- 320i, 330i, M340i xDrive, 320d, 320d Mild-Hybrid, 320d xDrive, 320d Mild-Hybrid xDrive, 330d, 330d xDrive
Compatibility check
We verify fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to confirm compatibility for your exact BMW model and suspension specification.
Professional fitting
Want this Bilstein B4 DampTronic rear shock professionally fitted? Nforcd is based in Warwickshire and offers expert installation and alignment services. Request a fitting quote at Sales@nforcd.com.
Part numbers and identifiers
- Part number: Bilstein 20-303334
- SKU: BILSTEIN-20-303334
- Manufacturer: Bilstein
- EAN: 4025258871765
- UPC: 651860878867
Summary
If you are searching for BMW G20 rear shock absorber replacement, BMW G21 Touring rear damper, BMW G42 2 Series rear shock, or a Bilstein B4 DampTronic OE quality rear shock for EDC electronic suspension, the Bilstein 20-303334 delivers the ride, control and reliability your BMW deserves. Restore that factory-fresh feel with trusted Bilstein engineering.