K&N 97-99 BMW 540I Drop In Air Filter

Marsoni

M251S

$57.99

Get it in 3 business days with 1 day shipping. Friday, May 29

K&N 97-99 BMW 540I Drop In Air FilterSKU: 33 2142 UPC: 024844071842 K&N 33 2142 Replacement Air Filter for 1997 2003 BMW 540i, 1999 2001 BMW 740i 740iL, 2000 2003 BMW M5 The K&N 33 2142 is a washable reusable high flow drop in replacement air filter designed for BMW models including the 1997 2003 540i, 1999 2001 740i and 740iL, and 2000 2003 M5. It features layered oiled cotton media that improves airflow for more horsepower and acceleration while trapping contaminants. Engineered to

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I'm extremely happy with this TRIGHTFILTERS 18x24x1 Air Filter 4-pack! They fit perfectly into my furnace, and I can already notice the improvement in our indoor air quality. These MERV 8 pleated filters do a great job catching dust and allergens. What's truly impressive is the **good value and price** for such high-quality filters. Getting a pack of four means I'm set for a while, and I feel confident knowing they're effectively protecting my HVAC system. A definite 5-star purchase that I'll be making again!

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Reviewed in the United States on May 10, 2026

Verified Purchase

Michael Caroselli

Lake Worth, US

★★★★★ 5

Great value,

Size: 20x20x1

MERV-8 filter in 20x20 - pretty standard size. Nicely made, delivered in two days in a four pack for about $6.50 each. Great value. No complaints. Perfect for my home with just my cat Gigi and me!

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Reviewed in the United States on May 24, 2026

Verified Purchase

Bella

Waukegan, US

★★★★★ 5

Excellent filters

Size: 14x20x1

Excellent filters that do a great job. After educating myself on furnace filters I was surprised to learn that higher MERV numbers can put a strain on your air conditioning system and furnace. These are much more affordable and are very effective at filtering the air. I’m allergic to everything and these work just fine.

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Reviewed in the United States on April 30, 2026

Verified Purchase

irishfan

Houston, US

★★★★★ 5

Well Made and Fits Good

Size: 16x25x1

This filter seems to be the best made one that I've bought that I consider to be a good value, and I've bought many brands -- with the board frame beig the primary reason, but filter media is just as good and probably better too.

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Reviewed in the United States on May 11, 2026