Adjustable Billet Aluminum Turbo Blow Off Valve BOV Sound Adapter Compatible with BMW B58 Engine G20 M340i, G22 M440i, G05 X5, G70 740i
Product details
| Management number | 215528952 | Release Date | 2026/04/12 | List Price | $46.40 | Model Number | 215528952 | ||
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Upgrade your B58 engine with our Adjustable BOV Adapter. This precision-engineered unit produces the distinct turbo pressure blow-off sound that all turbo owners know and love! This piece features nine threaded holes for total sound control. We ship the unit with three holes open and include a 2mm Allen key. For fine-tuning, simply remove or add screws as desired to reach the exact amount of sound volume you are looking for. Built from CNC Machined 6061 Billet Aluminum, this part is built for maximum durability and corrosion resistance. This design is easy to install with all mounting hardware included. There is no tune required to enjoy the benefits of this upgrade, which can also help improve turbo longevity by managing pressure release efficiently. All Boomba Racing products are Made in the USA.
- COMPATIBLE VEHICLES: Engineered for the modern BMW B58 engine platform. Check your compatability: 3 SERIES (2025+ G20 G21 M340i & M340i xDrive); 4 SERIES (2025+ G22 G23 G26 M440i & M440i xDrive, Inc. Gran Coupe); 7 SERIES (2023+ G70 740i); X SERIES (2024+ G05 X5 xDrive40i, 2022+ G07 X7 xDrive40i).
- SIGNATURE TURBO SOUND: This adapter mounts directly to unleash the distinct turbo "blow off" sound when letting off throttle and during shifts.
- 9-PORT ADJUSTABLE VOLUME: Features a design with nine precision-threaded ports. The unit ships with three ports open for a balanced sound profile and includes a 2mm Allen key. You can easily add or remove the included screws to increase/decrease the volume, giving you control over the "whoosh" sound intensity.
- CNC MACHINED 6061 BILLET ALUMINUM: Constructed from aerospace-grade 6061 billet aluminum for durability and corrosion resistance. All Boomba Racing products are proudly Made in the USA and backed by for a lifetime.
- NO MODIFICATIONS REQUIRED: Designed as a direct bolt-on upgrade that does not require any modifications. No tune required.
| Brand Name | Boomba Racing |
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| Unit Count | 1.0 Count |
| Manufacturer | Boomba Racing |
| Model Number | 078000020000 |
| Material Type | Billet Aluminum |
| Item Dimensions | 2 x 2 x 3 inches |
| Included Components | Adapter & All Hardware |
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Blow Off Valves
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