![Hello guys just installed a « sport » air filter. No difference in sound and I didn't test the power yet. It does have a stage 1. I heard it needs a Hello guys just installed a « sport » air filter. No difference in sound and I didn't test the power yet. It does have a stage 1. I heard it needs a](https://i.redd.it/hello-guys-just-installed-a-sport-air-filter-no-difference-v0-yzhanuf42tea1.jpg?width=4032&format=pjpg&auto=webp&s=b4099b8445a593a9b63e3e79e9f27563131b1592)
Hello guys just installed a « sport » air filter. No difference in sound and I didn't test the power yet. It does have a stage 1. I heard it needs a
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BMW E46 Air Filter Replacement | BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004) | Pelican Parts Technical Article
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