MST B58 Gen2 Turbo Inlet Kit — BMW M340i (G20/G21, 2020–2024); M440i (G22/G23, 2021–2024); M440i (G26, 2022–2024); M240i (G42, 2022–2026); Z4 M40i (G29, 2020–2026); Toyota GR Supra 3.0 (A90/A91, 2020–2026) (BW-B5812H)
$394.90
MST B58 Gen2 Turbo Inlet Kit — BMW M340i (G20/G21, 2020–2024); M440i (G22/G23, 2021–2024); M440i (G26, 2022–2024); M240i (G42, 2022–2026); Z4 M40i (G29, 2020–2026); Toyota GR Supra 3.0 (A90/A91, 2020–2026) (BW-B5812H)
$394.90
Vehicle Fitment
Part number: BW-B5812H
Match every detail in the same row. Listed years follow the stated manufacturer or market basis; an engine code by itself does not confirm fitment. Where no full range is established, confirm the model year and engine-bay layout before ordering.
| Vehicle | Chassis | Engine / specification | Supported years | Application details |
|---|---|---|---|---|
| BMW M340i | G20/G21 | B58 Gen2 | 2020–2024 | Match the listed engine and chassis. |
| BMW M440i | G22/G23 | B58 Gen2 | 2021–2024 | Match the listed engine and chassis. |
| BMW M440i | G26 | B58 Gen2 | 2022–2024 | Gran Coupe. |
| BMW M240i | G42 | B58 Gen2 | 2022–2026 | Match the listed engine and chassis. |
| BMW Z4 M40i | G29 | B58 Gen2 | 2020–2026 | Match the listed engine and chassis. |
| Toyota GR Supra 3.0 | A90/A91 | B58 | 2020–2026 | Match the listed engine and chassis. |
Requirements and exclusions
- Check actual turbo inlet/airbox connection; no B58 Gen3 applications established.
Confirm fitment with Kies using your model year, engine, production date and a photo of the intake area when a restriction or unconfirmed application is listed.
+ 14
horsepower*
@ 5300 RPM
+ 18
Torque (Nm)*
@ 5300 RPM🛑 PCV HEATER REMOVAL 🛑
Please note that the PCV heater is removed when installing this intake system, which will result in a stored error code. While this typically does not illuminate the check engine light, certain vehicle models may display a check engine light depending on their system sensitivity.
Features
- Larger diameter piping for increased airflow and improved boosts and enhances turbo response
- Aluminum alloy pipe with a golf-ball textured interior for optimal airflow
- Dyno-proven gains of +12-14HP with tune
- Custom bushing for OEM turbo
- Direct fit with upgrade turbo (*Needs to confirm the turbo specifications before ordering)
- Works with OEM airbox or MST V1/V2 intakes
- Direct bolt-on with no cutting/modification required
- More aggressive turbo sound
⚠️ Please ensure our product is compatible with your car before placing an order.
If you have any questions, please contact us.
*Due to potential variations in model years (especially transitional years) and different regional specifications by country, we highly recommend contacting us and providing a photo of your engine bay for verification before purchasing to ensure accuracy.