Cleaning a K&N Air-filter with 230K Miles

clean k&n air filter

To say this K&N Air-Filter had lived it’s life would be an understatement. The air-filter that was on this E36 M3 was one of the worst air-filters I’ve ever seen. Normally a K&N air-filter is a reddish color, this one was black.

I was going to attempt to clean the air-filter but after washing it, letting it dry and looking at it, the air-filter itself was literally starting to fall apart. That’s a clear sign that this air-filter needs to be replaced.

Nothing to hard about replacing an air-filter, but if you’ve never done it, check out the video below and smash the subscribe button if you haven’t!

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