AEM Part No. 21-785DS Performance Air Intake System

$362.99

The AEM-21-785DS is designed to replace the restrictive air filter and airbox of some BMW 320i and 328i models with 2.0L turbo 4 cylinder engines. This enclosed system is designed with an upper and lower airbox to maximize air supply to the air filter, and acts as a heatshield. The cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). A MAF sensor extension and other hardware is provided for the installation. An AEM logo provides the finishing touche on the airbox cover. Designed to increase horsepower this air intake system also gives the BMW's engine a facelift. The air intake system is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-785DS vehicle applications to determine the legal status for each vehicle.

Key features

  • Designed to increase horsepower
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • Washable and reusable oil-free filter media
  • AEM logo on the airbox cover
  • Backed by AEM Limited Lifetime Warranty

Additional information

Weight14.5 lbs
Dimensions35.4 × 13.3 × 10.6 in
Estimated Horsepower Gain

14 HP @ 4700 RPM

Replacement Filter

21-1015DK

Air Filter Color

Red

Air Filter Material

Non-woven Synthetic

Air Filter Outlet Shape

Round

Clamps Included

No Clamps Required

Clamp Material

No Clamps Required

Clamp Style

No Clamps Required

Product Style

AEM Cold Air Intake System

Intake Pipe Color / Finish

Black

Intake Pipe Material

High-Density Polyethylene

Street Legal In All US States

No

TUV Approved (Europe)

No

California Restricted

Not legal for sale or use in California

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YearBMWModelEngine
YearBMWModelEngine
2012 - 2015BMW320i (F30)2.0L L4
2012 - 2015BMW328i (F30)2.0L L4