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SKU: 22-265791 | UPC: 651860816401
Bilstein B4 OE Replacement Front Right Twintube Strut Assembly 2015-2021 BMW M3 / M4 / M2
The Bilstein 22-265791 B4 OE Replacement Front Right Twintube Strut Assembly is the best direct OEM-quality replacement for 2015-2021 BMW M3, M4, and M2 owners seeking to restore factory ride comfort, handling, and safety. Engineered with twin-tube design, application-specific valving, and fixed spring seat, this strut delivers smooth damping, excellent road feel, and long-term durability – ideal for daily driving, spirited street use, or maintaining precise performance on high-mileage or worn suspensions.
Key Features
- B4 Twin-Tube Design: Gas-pressurized for consistent damping and reduced fade under demanding conditions
- Application-Specific Valving: Calibrated to match original BMW specs for balanced comfort and control
- Fixed Spring Seat: Integrated perch for direct fit with stock or factory springs
- Black Paint Finish: Corrosion-resistant coating for long service life
- Stem Upper / Base Cup Lower Mount: Exact OEM-style mounting for seamless installation
- OEM Quality & Performance: Restores original driving dynamics while exceeding OE standards
Specifications
| Specification | Detail |
|---|---|
| Part Number | 22-265791 |
| Position | Front Right (Passenger Side) |
| Strut Type | B4 OE Replacement Twintube |
| Collapsed Length | 13.86 in (352.0 mm) |
| Extended Length | 20.75 in (527.0 mm) |
| Upper Mount | Stem |
| Lower Mount | Base Cup |
| Spring Seat | Fixed (Included) |
| Finish | Black Paint |
| Compatibility | 2015-2021 BMW M3 / M4 / M2 (w/o Electronic Suspension) |
| Country of Origin | Germany |
| Warranty | Limited Lifetime (Bilstein) |
| Shipping Weight | 9.5 lbs |
| Shipping Dimensions | 26.9 x 6.1 x 6 inches |
Product Notes
- Front right (passenger side) strut – sold individually; order matching left side if needed
- Designed for models without electronic suspension (PASM) – restores factory ride quality
- Recommended to replace in pairs with new strut mounts/bearings for optimal performance
Installation Notes
- Estimated time: 2-4 hours per side, advanced difficulty, spring compressor and professional installation recommended
- Direct replacement – requires strut removal and spring compression; torque to BMW factory specs
- Full wheel alignment essential after installation
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2015-2021 | BMW | M3 / M4 | Base / Competition / CS (w/o Electronic Suspension) |
| 2016-2021 | BMW | M2 | Base / Competition (w/o Electronic Suspension) |
Why Choose Bilstein B4 OE Replacement Struts?
- Restores original BMW ride comfort, handling, and safety with OE-level quality
- Twin-tube gas-pressurized design provides smooth damping and long-term reliability
- Limited lifetime warranty and German engineering – trusted by enthusiasts and OEMs
Frequently Asked Questions
-
Q: Will this strut fit my 2018 BMW M4?
A: Yes, 22-265791 is confirmed to fit 2015-2021 BMW M3/M4 and 2016-2021 M2 models without electronic suspension. -
Q: Does it include a spring?
A: No – strut assembly with fixed spring seat; reuse existing spring or pair with new components. -
Q: Should I replace both front struts?
A: Yes – recommended to replace left/right together for balanced ride and handling. -
Q: Is alignment required after installation?
A: Yes – professional alignment essential to prevent uneven tire wear and maintain precise handling.
Shipping & Handling
- Method: UPS/FedEx Ground (Oversize)
- Availability: In stock - ships same or next business day
- Packaging: Secure protective packaging
- Weight: 9.5 lbs
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