AEM 15-20 BMW M3 S55 3.0L L6 TT Cold Air Intake System

AEM 15-20 BMW M3 S55 3.0L L6 TT Cold Air Intake System

Marsoni

M251S

$367.50

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

AEM 15-20 BMW M3 S55 3.0L L6 TT Cold Air Intake SystemThis Performance Air Intake System allows your engine to breathe more air compared to the restrictive factory air intake housing. It is designed, tuned and dyno tested to produce more horsepower and torque. This system replaces both the left and right side intakes. The cone 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).

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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.
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I purchased this kit to replace the impeller and necessary components on my 2006 Johnson 150HP V6 Outboard. I SPECIFICALLY ordered this kit because it showed the shift shaft seal in the photos, where other kits didn’t not. This kit DID NOT include the shift shaft seal, as pictured in the photos. All the other parts fit well. The o-rings could fit a bit better. The o-ring seal for the impeller housing was a bit of a poor fit and could be made better, but still worked when glued in. Get what you pay for, right? The parts worked and replaced what I needed. Really would’ve liked to change that shift seal while everything was apart.

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Reviewed in the United States on June 21, 2023

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Kaleigh Pipho

Houston, US

★★★★★ 5

Good but

Size: 40-50 HP

Bought and installed about a year ago. Fit exactly right and still holding up. Would buy again.

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Reviewed in the United States on May 2, 2026

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mike james

Belleville, US

★★★★★ 5

Oem quality, great kit

Size: 35-60 HP

Oem quality kit , got me back on the water,diy

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Reviewed in the United States on May 2, 2026

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Scottytoohotty

Battle Creek, US

★★★★★ 1

DO NOT BUY THIS GARBAGE

Size: 20-35 HP

DO NOT BUY. Stopped working after 2nd trip total of 2 hours use. Not returnable after 30 days. Could easily ruin your engine. Expensive garbage.

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Reviewed in the United States on March 19, 2026

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Thomas W.

Houston, US

★★★★★ 5

Looks very good quality to me.

Size: 85-300 HP

Everything looks good quality to me. I find it odd that the people leaving bad reviews with pictures of broken and melted impeller, when you can clearly see the brass on the inside is brown and dirty like old pennies and mine is shiny new. It's almost like the took the pictures of the ones they replaced to get a refund and a free repair kit.

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Reviewed in the United States on April 26, 2026