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BMW 3-Series (E90 E92) Forum
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anyone try K&N oil filter??
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02-25-2010, 01:18 AM | #2 |
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If you intend to keep the stock air box, yes it's good. You'll save on replacement filters as you just clean the K&N filter every 50,000 miles. As for performance wise, you will feel a bit better throttle response and can hear a slight difference up front. With that said, don't expect too much with just a drop in filter, but nonetheless, it's better than the stock paper filters.
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02-25-2010, 01:44 AM | #3 |
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He's asking about OIL filter, not air.
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02-25-2010, 02:00 AM | #4 |
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My bad...
K&N oil filter? Over priced. No need for it. A stock filter will do the job if you maintain regular oil changes.
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02-25-2010, 02:28 AM | #5 |
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I got the K&N oil filter because eBay price was the same as the overpriced filter from the local dealer.
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02-25-2010, 11:26 AM | #7 | |
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Quote:
I've used them for my clk and it's works great. I got the ones made from some sort of fiber... don't quite remember.
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02-25-2010, 12:39 PM | #9 |
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i sell filters to the heavy industry, oil/gas refineries, and chem plants for a living, so i know a thing or two about this topic. K&N does make a quality oil filter. They claim to be 99% efficient in collecting dirt and particulate over 5.5 micron. The material they use is a synthetic blend of cotton and cellulose. 90% of other oil filter 'companies' are all coming from one manufacture, which is a company called Claircor (Fram, Bosch, Wix Baldwin, Mobil, etc). It is all the same shit, just labeled differently with paint and company logos. Now when it comes to air filters, they have somewhat of a different approach. Most stock air filters will capture more particles than a K&N. K&N claim to increase horsepower by opening up the media and lowering the retention. This allows more airflow into the engine.
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02-25-2010, 12:52 PM | #10 | |
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Thanks for the info Alpha.
Would you happen to know what the difference is (if any other than the color) between an AFE oiled air filter an a K&N oiled air filter? Is the the filter media the same? "same shit" just cosmetics, branding and marketing? Thanks in advance. Quote:
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02-25-2010, 01:19 PM | #12 | |
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Quote:
alpha325i Filter Resources Inc http://www.filterresources.com/
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02-25-2010, 01:43 PM | #13 | |
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Thanks again Alpha.
Appreciate you taking the time out to explain all that. It's nice to have someone who's a professional in the industry to provide an unbiased comment. Thanks again. Quote:
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02-25-2010, 01:47 PM | #14 |
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i know the 50,000 miles cleaning interval is for highway conditions. for those of us who open our engines i would suggest to cut that in half or even every 10,000 miles if u do canyon runs.
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02-25-2010, 02:07 PM | #15 |
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No problem, glad I could assist.
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