SKU: 24-305174 | UPC: 651860870083
Bilstein B6 Performance Rear Shock Absorber 18-21 BMW X3 / 19-21 X4
The Bilstein 24-305174 B6 Performance Rear Shock Absorber is the best direct OE upgrade for 2018-2021 BMW X3 and 2019-2021 X4 owners seeking improved handling, reduced body roll, and enhanced stability without replacing factory springs. This monotube gas-pressure damper features application-specific valving for precise control, better grip, and superior lane stability in both daily driving and spirited conditions while maintaining excellent ride comfort and OEM-like fitment.
Key Features
- Monotube Gas-Pressure Technology: High-pressure nitrogen charge eliminates fade and provides consistent damping
- Application-Specific Valving: Tuned for X3/X4 suspension geometry and weight distribution
- OE Spring Compatible: Designed to pair perfectly with factory springs – no need for lowering or coilovers
- Improved Safety & Handling: Enhanced grip, reduced body motion, and better stability in extreme situations
Specifications
| Specification | Detail |
|---|---|
| Part Number | 24-305174 |
| Position | Rear (Single Shock) |
| Shock Type | B6 Performance Monotube Gas-Pressure |
| Body Diameter | 46mm |
| Finish | Zinc-Plated |
| Country of Origin | Germany / United States |
| Warranty | Limited Lifetime |
Product Notes
- Sold individually – order two for complete rear replacement
- Optimized for stock height – direct replacement for factory shocks
Installation Notes
- Estimated time: 1-2 hours per side, moderate difficulty, basic hand tools required
- Direct bolt-on replacement – professional alignment recommended after install
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2018-2021 | BMW | X3 | All Models (G01 Chassis) |
| 2019-2021 | BMW | X4 | All Models (G02 Chassis) |
Why Choose Bilstein B6 Performance?
- World-renowned monotube technology for superior damping and fade resistance
- Application-specific valving tuned for X3/X4 ride quality and handling
- Limited lifetime warranty ensures long-term reliability for street and spirited driving
Frequently Asked Questions
- Q: Does it lower the vehicle?
A: No, designed for stock height – maintains factory ride height while improving damping. - Q: Is it good for towing?
A: Yes, firm damping improves stability when loaded or towing. - Q: Will it require alignment?
A: Recommended after any shock replacement for proper camber/toe. - Q: Is front shock available?
A: Yes, matching B6 Performance front shocks available separately.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official Bilstein retail box
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