SKU: 24-120425 | UPC: 651860640006
Bilstein B8 2006-2013 BMW 3 Series Rear 46mm Monotube Shock Absorber
Bilstein 24-120425 B8 Performance Plus is a monotube shock absorber built as a direct performance upgrade for BMW 3 Series vehicles. It is designed specifically for use with lowering spring sets to deliver better handling response and a lowered stance while maintaining OE-level quality and durability.
Key Features
- Monotube Design: Provides consistent damping performance under demanding conditions
- Application Specific Valving: Tuned for BMW 3 Series chassis dynamics
- Gas Pressure Technology: Reduces aeration for fade-free operation
- Lowering Spring Compatible: Works with aftermarket springs for enhanced cornering
- OE Quality Standards: Tested to meet or exceed original equipment specifications
- Direct Replacement: Fits factory mounting points on listed models
Specifications
| Detail | Value |
|---|---|
| Brand | Bilstein |
| Type | Monotube Shock Absorber |
| Compatibility | 2006-2013 BMW 3 Series |
| Mounting Position | Rear |
| Body Diameter | 46mm |
| Country of Origin | Germany |
| Warranty | Manufacturer limited warranty |
Whats Included
- One rear shock absorber assembly
- Installation hardware as required
Product Notes
- Requires lowering springs for full performance benefit
- Professional installation recommended
- Verify fitment with specific vehicle before purchase
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2006-2013 | BMW | 3 Series (325i 328i 335i xDrive variants) | Rear position for use with lowering springs |
Why Choose Bilstein?
- Proven monotube construction for consistent control
- Engineered valve settings matched to lowered BMW setups
- Long-term durability in street and track use
- Worldwide OEM supplier experience since 1873
Frequently Asked Questions
- Q: Can this shock be used without lowering springs?
- A: It is optimized for pairing with lowering springs but can function on stock height setups.
- Q: What is the benefit of the 46mm monotube body?
- A: Larger piston area allows better heat dissipation and more precise damping control.
- Q: Is this a direct fit for 2011 335i xDrive?
- A: Yes it matches the rear position on that model and similar 2006-2013 3 Series variants.
Shipping and Handling
- Method: Standard ground shipping
- Availability: In stock and ready to ship
- Packaging: Securely packed in manufacturer carton





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