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MST 2025+ BMW B48 2.0L Cold Air Intake System (BW-B4806)
MST 2025+ BMW B48 2.0L Cold Air Intake System (BW-B4806)
MST 2025+ BMW B48 2.0L Cold Air Intake System (BW-B4806)
MST 2025+ BMW B48 2.0L Cold Air Intake System (BW-B4806)
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MST 2025+ BMW B48 2.0L Cold Air Intake System (BW-B4806)

BW-B4806
Intakes/Inlets/Outlets/Meth/Charge Pipes
$535.70
$535.70

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⚠ U.S. Spec OnlyThis intake is designed specifically for U.S.-spec vehicles. It features additional CNC machining and different silicone couplers compared to Euro-spec. Please confirm your vehicle specification before ordering. Contact us if you're unsure.
MST Items can take up to 4 weeks to fulfill due to demand
Overview

The MST BW-B4806 is a purpose-built cold air intake system engineered for the BMW G20/G21 330i and related B48 2.0L chassis. Featuring a G-Chassis dedicated airbox design, 89mm intake piping, and a reusable high-flow dry filter, this kit delivers measurable power gains while enhancing the intake and turbo spool sounds your B48 is capable of producing. Fully compatible with your OEM MAF sensor; no additional modifications required.

Performance Gains
8–10
Horsepower Gain
+12
Nm Torque Gain
89mm
Intake Pipe Diameter
Key Features
BMW G-Chassis dedicated airbox
Compatible with stock MAF sensor
89mm intake piping
89mm high-flow dry air filter
Reusable & cleanable filter media
More aggressive intake sound
Enhanced blow-off valve tones
Improved turbo spool response
CNC machined aluminum components
Direct OEM replacement fitment
Product Specifications
Part Number BW-B4806
Brand MST Performance
Pipe Diameter 89mm
Filter Type Dry, High-Flow, Reusable
Power Gain +8–10 HP
Torque Gain +12 Nm
MAF Sensor OEM compatible — no modification required
Material CNC aluminum & silicone couplers
Filter Service Clean every 20,000 km · Replace at 60,000 km
Spec U.S.-spec vehicles only
Vehicle Fitment
B48 2.0L EngineG20 / G21G26G422018–2025U.S. Spec Only
Year Range Model Chassis Engine
2018–2025 320i / 330i G20 / G21 B48 2.0L
2019–2025 420i / 430i G26 B48 2.0L
2021–2025 220i / 230i G42 B48 2.0L

* Not compatible with Euro-spec vehicles. If you're unsure of your vehicle's spec, contact us before ordering.

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We have a 10-day return policy, which means you have 10 days after receiving your item to request a return. Any return or cancellation will be 10% Fee. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at support@euroklasse.com. If your return is accepted, Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at support@euroklasse.com. Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Certain types of items cannot be returned, like perishable goods, custom products (such as special orders or personalized items), We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on Sale/ Discounted items or gift cards Or . Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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