MST B58 Gen2 Intake + Turbo Inlet Kit — BMW M340i (G20/G21, 2020–2024); M440i (G22/G23, 2021–2024); M440i (G26, 2022–2024); M240i (G42, 2022–2026) (BW-B5812)
$789.80
MST B58 Gen2 Intake + Turbo Inlet Kit — BMW M340i (G20/G21, 2020–2024); M440i (G22/G23, 2021–2024); M440i (G26, 2022–2024); M240i (G42, 2022–2026) (BW-B5812)
$789.80
Vehicle Fitment
Part number: BW-B5812
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. |
Requirements and exclusions
- Requires the specified B58 Gen2 inlet layout. Excludes 2025+ Gen3 M340i/M440i.
- This intake is NOT compatible with 2025+ B58 Gen3 models (M340i / M440i) due to a redesigned factory turbo inlet pipe section.
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🛑 WARNING 🛑
This intake is NOT compatible with 2025+ B58 Gen3 models (M340i / M440i) due to a redesigned factory turbo inlet pipe section.
*M240i models are NOT affected and remain fully compatible.
Features
- HDPE material airbox protects against heat soaking
- 152mm reusable high airflow filter with 6" intake tube
- Improved performance & better throttle response
- Inner golf-ball surface for optimized airflow
- Direct fit to stock vehicle and no need to remap
- Enlarged diameter design (fits OEM & Hybrid turbos: Needs to confirm the turbo specifications before ordering)
- More aggressive turbo sound
- The engine air filter should be cleaned every 20,000 km of usage and should be replaced at 60,000 km of usage
⚠️ 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.