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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
Bilstein
Shop Bilstein shocks and suspension at Black Ops Auto Works for monotube shock absorbers, struts, B4 OE replacement shocks, B6 performance shocks, B8 5100 ride-height adjustable shocks, B8 6112 suspension kits, B8 8112 coilover-style shocks, B12 suspension kits, B14 coilovers, B16 suspension systems, steering dampers, suspension hardware, and performance suspension components. Bilstein is trusted by enthusiasts, truck owners, off-road drivers, and performance vehicle owners who want better ride control, handling, stability, and durability. Use this Bilstein collection to choose the right suspension upgrade by vehicle platform, driving style, lift height, and performance goal. Bilstein B4 products are useful for OE-style replacement, B6 shocks support improved performance on factory-height vehicles, B8 5100 shocks are popular for trucks and SUVs with leveling or lift setups, B8 6112 and B8 8112 systems support more serious off-road and ride-height needs, and B14 or B16 kits support p...
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Shocks and Struts
Shop shocks and struts at Black Ops Auto Works for improved ride control, handling, stability, comfort, towing support, off-road performance, and suspension replacement. This collection includes shock absorbers, monotube shocks, gas shocks, hydraulic shocks, strut assemblies, front struts, rear shocks, coil-over shocks, reservoir shocks, steering dampers, suspension hardware, and vehicle-specific dampers for cars, trucks, SUVs, Jeeps, off-road builds, and performance vehicles. Use this Shocks and Struts collection to find the right suspension upgrade by vehicle, ride height, driving style, and product type. Replacement shocks and struts help restore ride quality, performance shocks improve control and stability, heavy-duty truck shocks support larger vehicles and lifted setups, and off-road shocks help improve durability and control on rough terrain. Shop Shocks and Struts by Brand Black Ops Auto Works carries shocks, struts, and suspension dampers from trusted brands including Bils...
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Suspension
Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
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I emailed customer service to inquire about when it would be shipped
I emailed customer service to inquire about when it would be shipped. They checked and emailed me with the answer. Customer service is A1
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Installation was easy
Installation was easy. The price is good and it looks great on the truck.
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