
MST BMW M340i G20/G21 B58 Intake Kit - BW-B5802
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Description
MST BW-B5802 is an open induction kit for the BMW M340i G20/G21 with the 3.0-litre B58 engine. It replaces the original airbox with a dry pleated filter and shielded intake arrangement.
Part number: MST-BW-B5802
Features and specification
- Dry pleated filter with a 4-inch connection.
- Black powder-coated heat shield and intake pipe.
- More prominent induction sound than the original enclosed airbox.
Included components
Heat shield, intake pipe, red pleated filter, silicone joiner, mounting hardware and fitting instructions.
Application notes
For the listed M340i B58 application; this is not a universal kit for every B58 model. BW-B5802 is the intake-only listing, not the BW-B5802L intake-and-turbo-inlet package. Check later engine revisions before ordering.
Before you order
Contact Nineteen72 Performance with your registration or VIN and an engine-bay photograph to confirm the exact version.
Intake kit questions
Is a power increase guaranteed?
No. Results depend on the vehicle, calibration and supporting modifications.
How should I maintain the filter?
Follow MST's instructions for the supplied dry filter.
Explore our MST Performance range and MST intake buying guide.
Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering.
Finance Options
Klarna payment options are available at checkout where eligible.
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Specifications
- Brand
- MST Performance
- Product type
- Induction Kit
- SKU:
- MST-BW-B5802
- Barcode
- 5056185631428
- Vehicle make
- BMW
- Vehicle model
- M340i
- Vehicle variant
- G20 and G21

Need help?
Product questions answered
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Will I need any other parts?
Check the included components and fitting notes for your engine and current setup. Connections, sensors, pipework or supporting changes may differ between options. Ask us to confirm the requirements for your chosen part.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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