Air and Fuel› Air Cleaners, Filters, Intakes and Components

MST

Cold Air Intake System

$463.10

SKU: BW-B4801

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

It increases airflow to the engine and reduces overall temperatures. This system features a heat shield to block hot engine air, providing cooler, denser air for improved throttle response and a more aggressive induction sound. Installation includes all necessary hardware.
Show original supplier description
Upgrade your BMW B48 engine with the MST Performance Air Intake System (BW-B4801). The design improves throttle response and delivers a more aggressive, sporty induction sound. It utilizes a washable and reusable lifetime air filter with a 3.5" inlet size, maximizing airflow to the engine. This system is reported to provide gains of 10-12 horsepower. Please note that this intake system is not for sale or use in the state of California on any pollution-controlled vehicle, as per the California Air Resources Board regulations. This intake system is designed for various BMW models equipped with the B46 or B48 2.0L engine, including the F22 230i, F23 230i, F30 330i, F31 330i, F32 430i, F33 430i, F34 330i xDrive, and F36 430i. It comes with all necessary hardware for a smooth and swift installation process.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMST
Part NumberBW-B4801
CategoryAir and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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