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

K&N Engineering

K&N BMW 2-3-4 Series N20 Engine Performance Air Intake System

$419.99

SKU: K001 57S-2001

In Stock
In Stock
Ships by Jul 30
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The K&N Performance Airbox 57S-2001 dramatically reduces air flow restriction and smooths air flow, allowing the N20 engine to inhale more air for increased usable power and acceleration. It features an enclosed injection-molded air box with a removable lid for easy filter access.

Fitment

Fitment Guaranteed

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on fit.

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

BrandK&N Engineering
Part NumberK001 57S-2001

Buy with Confidence

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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