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      01-22-2021, 08:21 AM   #250
Ninefourteener
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Drives: 2020 X5 M50i, 2020 Alfa 4C
Join Date: Sep 2019
Location: American in Belgium

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Well.... I've already torn the air boxes apart in an "attempt" to see if standard 50i filters worked.

They didn't... lmao.

I did remove the charcoal filters while I was in there though. 6 or 7 screws per airbox if I recall. Easy stuff.

I've used K&N filters on almost every single one of the 60+ cars I've owned over the past 25 years. Recently K&N as company, took a gigantic dump..... so I'm glad I'm switching g brands. I expect the results to be similar though.

Slight improvement in low end torque. Slight increase in intake sound. Nothing "major" on either account. But.... every little bit helps.
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