Ferrea BMW N54 Single Spring Kit

Marsoni

M251S

$546.80

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

Ferrea BMW N54 Single Spring KitSKU: KT4026 Ferrea BMW N54 Single Spring Kit The Ferrea BMW N54 Single Spring Kit, the premier choice for enthusiasts and racers seeking unparalleled performance, reliability, and durability. Engineered by Ferrea Racing Components, a global leader in high performance valvetrain solutions for over 50 years, this kit is meticulously designed to outperform all competitors, delivering race proven technology for your high revving BMW N54 engine. Whether

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

As the title says the filter wasn’t green this time (purchased 3 other times). I read off the numbers to Ecogard technical support and they said it was their filter and by the date code manufactured by a different factory. This one was grey/black with blue edge and you could tell there was charcoal embedded in it. Not sure if it will perform the same and smell the same, as I preferred the scent of the green one. The listing needs to be updated with the correct picture if the green isn’t made anymore.

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Reviewed in the United States on March 11, 2026

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Davian

New York, US

★★★★★ 5

Very clean air quality.

Size: 8" x 10" x 2"

Immaculate air quality. Easy to install.

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Reviewed in the United States on July 24, 2025

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Kimmy

Boise, US

★★★★★ 5

Effective

Size: 8" x 10" x 2"

Works great

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Reviewed in the United States on September 19, 2025

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Joseph Bod

Carnegie, US

★★★★★ 5

Fits 2021 Acura TLX

Size: 8" x 10" x 2"

Amazon garage and mfg website hadn't caught up, yet: this does fit the 2021 Acura TLX SH-AWD. No problems. New way of getting access -- pinch sides of glove box and drop off of hinge. Old way required removing an access panel.

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Reviewed in the United States on June 14, 2021

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Fort Morgan, US

★★★★★ 5

Worth it.

Size: 8" x 10" x 2"

Super easy to install. The increased airflow is definitely noticeable.

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Reviewed in the United States on August 1, 2024