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Dinan 20-25 BMW X3M/X4M Cold Air Intake

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$1,049.95
$1,049.95 $1,181.95
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Despite its unorthodox appearance and seemingly haphazard design forced to fit in limited available space, the OEM intake system is incredibly efficient. Wholesale improvement upon the design given the packaging limitations meant that a full re-design was not going to be feasible at a price point that would be accepted so a simpler more direct approach was taken. Improve air flow in the factory system where it was restricted - the filters themselves. Simply going from the stock paper filters to the Dinan multi-layered cotton filters not only increased flow by nearly 20% but also resulted in some modest power gains in the mid and upper RPM range. While happy with the results, the engine bay remained lack luster and devoid of any visual hallmarks.

Installation Instructions
  • Massive detail rich, gloss UV coated, 2x2 carbon fiber engine cover for maximum under hood appeal.
  • Set of drop-in multi-layered cotton high flow filters for increased flow and superior filtration.
  • One word: Magnets. The mounting hardware solution for those that wish to be free of clutter.
  • More Flow: 18.6% greater than stock (Stock: 862 CFM, Dinan: 1022 CFM @ 28" H2O per bank).
  • More Power: Max gains of 7 WHP and 8 lb-ft of torque @ 4750 RPM.
  • 50 State Emissions Legal: CARB EO D-176-54.
  • Quick and easy installation.

This Part Fits:

Year Make Model Submodel
2020-2024 BMW X3 M
2020-2022 BMW X3 M Competition
2020-2025 BMW X4 M
2020-2022 BMW X4 M Competition

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    Seattle, Washington

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    Austin, Texas

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    Wide variety of products across the range. Found everything I needed in one place, very convenient.

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    London, England

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    The product I bought exceeded my expectations. Top-notch quality, thoughtful design, and it came beautifully packaged.

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    San Francisco, California

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    Have ordered multiple times, always received exactly what was described. Products are genuine and fully functional.

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    Denver, Colorado

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    Boston, Massachusetts

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    Checkout was quick and straightforward. My order confirmation came through instantly, and everything arrived exactly as expected.

    Morgan Lee
    Portland, Oregon

  • Great value

    Really pleased with the quality for the price. The product felt premium, worked perfectly out of the box, and was well packaged.

    Jamie Carter
    Manchester, England

Can I return a part after it has been installed?

Generally, installed or used performance parts cannot be returned. We strongly recommend verifying vehicle fitment and inspecting the product before installation.

Can I cancel my order after it has been placed?

We begin processing orders as quickly as possible. If you need to cancel, contact us immediately. Once an order has entered fulfillment, been submitted to a supplier, or shipped, cancellation may no longer be possible.

Will this part fit my vehicle?

Fitment varies by year, make, model, trim, engine, and drivetrain. Use our vehicle fitment information to confirm compatibility. If you're unsure, contact us with your VIN and we'll help verify fitment before you order.

How do I know if this is the right upgrade for my build?

Not every upgrade makes sense for every vehicle or build. Tell us your vehicle, current modifications, and performance goals, and we'll help determine whether this product is a good fit.

Are the products you sell authentic?

Yes. We source products through established manufacturers and authorized distribution channels. We do not sell counterfeit or imitation performance parts.

Is professional installation recommended?

For most performance components, yes. Proper installation is critical for fitment, reliability, and performance. Some products may also require specialized tools, programming, tuning, or additional supporting modifications.