Bilstein 19-135021 BMW E90 E91 E92 B4 OE Replacement Rear Shock Absorber
Restore the factory-fresh ride and handling of your BMW 3 Series with the Bilstein B4 OE Replacement Rear Shock Absorber, part number 19-135021. This genuine Bilstein gas pressure twin-tube rear damper is engineered for BMW E90, E91 and E92 models, delivering OE quality, dependable performance and precise control on British roads. Perfect as a like-for-like replacement rear shock absorber for daily driving, commuting and spirited B-road runs.
At Nforcd we have fitted countless Bilstein B4 shocks and our customers consistently praise the improved comfort, stability and confidence they bring. If your 3 Series feels crashy, floaty or unsettled, this Bilstein B4 rear shock is the proven fix to bring your BMW back to how it should drive.
Why choose Bilstein B4 for your BMW E90 E91 E92
- OE replacement rear shock absorber for BMW 3 Series E90 E91 E92
- Gas pressure twin-tube design for consistent damping and safety
- Restores original ride quality, comfort and handling precision
- High traction and stability for confident cornering and braking
- Built to OE standards by Bilstein for long-lasting reliability
- Ideal daily driver upgrade when replacing tired rear dampers
Key specifications
- Fitting position: Rear axle
- Shock absorber type: Gas pressure
- System: Twin-tube
- Design: Absorber does not carry a spring
- Mounting type: Top pin, Bottom pin
Compatibility
Designed for the BMW 3 Series E9x platform. Covers a wide range of petrol and diesel engines, rear wheel drive and xDrive all wheel drive models as listed.
- BMW 3 Series
- 3 Series Saloon E90 02.04 - 02.12
- 316 i, 318 i, 320 i, 320 si, 323 i, 325 i, 325 xi, 325 i xDrive, 328 i, 328 xi, 328 i xDrive, 330 i, 330 xi, 330 i xDrive, 335 i, 335 xi, 335 i xDrive, 316 d, 318 d, 320 d, 320 d xDrive, 325 d, 330 d, 330 xd, 330 d xDrive, 335 d
- 3 Series Touring E91 12.04 - 12.12
- 316 i, 318 i, 320 i, 323 i, 325 i, 325 xi, 325 i xDrive, 328 i, 328 xi, 328 i xDrive, 330 i, 330 xi, 330 i xDrive, 335 i, 335 xi, 335 i xDrive, 316 d, 318 d, 320 d, 320 d xDrive, 325 d, 330 d, 330 xd, 330 d xDrive, 335 d
- 3 Series Coupe E92 01.05 - 12.13
- 325 i xDrive, 325 xi, 328 xi, 328 i xDrive, 330 xi, 330 i xDrive, 335 i xDrive, 335 xi, 320 d xDrive, 330 xd, 330 d xDrive
Part numbers and identifiers
- Part number: 19-135021
- SKU: BILSTEIN-19-135021
- Manufacturer: Bilstein
- EAN: 4025258573331
- UPC: 651860573335
Fitting and support
Professional fitting available at Nforcd in Warwickshire. Email Sales@nforcd.com to request a fitting quote. We also offer a free compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure this rear shock suits your vehicle.
What this upgrade delivers
- Sharper, more precise BMW 3 Series handling
- Confidence-inspiring stability over bumps and at speed
- Reduced body movement and improved road feel
- Factory-correct ride height and comfort when paired with OE springs
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