SKU: 14-292408 | UPC: 651860887388
Bilstein BMW 3-Series G20 G21 Z4 GR Supra B1 Module Active to Passive Suspension Conversion Kit
Bilstein B1 Module Active to Passive Suspension Conversion Kit lets you install non-electronic dampers on BMW 3-Series G20 G21 vehicles equipped with factory electronic damping. It fits select BMW Z4 models and Toyota GR Supra using factory harnesses while preventing dashboard warning lights. Pair with Bilstein dampers or coilovers for dependable handling on road and track.
Key Features
- Plug and Play Design: Connects directly to OEM wiring harnesses for straightforward integration without modifications.
- Eliminates Error Codes: Bypasses electronic damper signals to avoid check engine or suspension fault indicators.
- Bilstein Damper Compatibility: Works seamlessly with all Bilstein shocks struts and coilover kits for customized setups.
- Complete Kit Contents: Includes module wiring adapters resistors and detailed instructions for full conversion.
- Precise Engineering: Developed for BMW chassis with adaptive suspension ensuring stable handling and control.
Product Notes
- Verify vehicle has factory electronic dampers before purchase.
- Module required when replacing adaptive shocks with passive Bilstein units.
- Secure packaging protects components during transit.
Installation Notes
- Professional installation recommended.
- Direct bolt-on process takes 1-2 hours with basic tools.
- Plugs into factory connectors no chassis cutting or ECU flashing needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2025 | BMW | 3 Series | 330i G20 |
| 2019-2025 | BMW | 3 Series | M340i G20 G21 |
| 2019-2025 | BMW | Z4 | sDrive30i |
| 2020 | BMW | Z4 | M40i First Edition |
| 2020-2021 | BMW | Z4 | sDrive M40i |
| 2022-2025 | BMW | Z4 | M40i |
| 2020-2025 | Toyota | GR Supra | Base |
| 2020 | Toyota | GR Supra | Launch Edition |
| 2020-2025 | Toyota | GR Supra | Premium |
| 2021-2022 | Toyota | GR Supra | A91 Edition |
| 2023 | Toyota | GR Supra | A91-MT Edition |
| 2024 | Toyota | GR Supra | 45th Anniversary Edition |
Why Choose Bilstein?
- Proven track record in motorsport and OEM applications worldwide.
- High-quality components built for demanding driving conditions.
- Engineered in Germany for exact fit and consistent damping performance.
Frequently Asked Questions
- Q: Will this module fit my BMW 3-Series G20 with adaptive M suspension?
A: Yes it installs on G20 G21 models equipped with factory electronic dampers including M340i and M Sport variants. - Q: What materials are used in the B1 module?
A: Robust aluminum housing with sealed electronics resistant to heat vibration and road contaminants. - Q: Does Bilstein offer a warranty on this kit?
A: Covered by Bilstein limited lifetime warranty against manufacturing defects when installed correctly.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Original Bilstein box 10.5 x 8 x 4 inches
- Weight: 2.2 lbs
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