K&N Air Filter for our E60's
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Just wondering if anybody has a K&N drop in filter in their E60. What is the part # and how much did you pay? Also where did you get it and is there any noticable difference in power and/or mileage? Thanks!
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Originally Posted by lakerpride05' post='214746' date='Dec 22 2005, 09:58 PM
Just wondering if anybody has a K&N drop in filter in their E60. What is the part # and how much did you pay? Also where did you get it and is there any noticable difference in power and/or mileage? Thanks!
Besides adding at most an unnoticeably and essentially unmeasureable amount of HP, a K&N may foul one's MAF especially if not oiled properly. If I ever use one again, then I will simply throw it away and get a new one rather than taking a chance on re-oiling. In this regard, a fouled MAF probably would not be covered under warranty because the part likely causing the problem is an after market part. This scenario is even more likely to eventuate because replacement filters are provided free by BMW under it "free" service agreement.
#3
Originally Posted by lakerpride05' post='214746' date='Dec 22 2005, 06:58 PM
Just wondering if anybody has a K&N drop in filter in their E60. What is the part # and how much did you pay? Also where did you get it and is there any noticable difference in power and/or mileage? Thanks!
No noticeable HP gains (regardless of what the numbers might say, or purport to say) and there is no noticeable difference in engine grunt either.
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Waste of money, and, worse, risk MAF fouling.
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Thanks I think I'll keep away
#7
Originally Posted by lakerpride05' post='214746' date='Dec 23 2005, 03:58 AM
Just wondering if anybody has a K&N drop in filter in their E60. What is the part # and how much did you pay? Also where did you get it and is there any noticable difference in power and/or mileage? Thanks!
These "racing" filters are more efficient for small dirties, but forget it if you hope to have some more power on such a car !
Often, people fit them to have a more "racing" music from the engine : in fact you can ear the engine breathing when you push the right pedal to the metal.
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K&N filters have much more quality than the regular filters.
Yes they are very expensive. Probably you won't notice difference in the engine power but don't forget that were are talking in big engines.
If used in a correct way they are safe.
In smaller engines the difference can be felt and in turbo charged engines.
I tried once in a BMW 316 Ti and the difference was there. A little more fast and YES the fuel comnsumption decreased.
If i'm going to install one in my 530d ? Probably no ! You know why ? It's difficult to feel the difference on that kind of power, two hundred and something HP .....
Yes they are very expensive. Probably you won't notice difference in the engine power but don't forget that were are talking in big engines.
If used in a correct way they are safe.
In smaller engines the difference can be felt and in turbo charged engines.
I tried once in a BMW 316 Ti and the difference was there. A little more fast and YES the fuel comnsumption decreased.
If i'm going to install one in my 530d ? Probably no ! You know why ? It's difficult to feel the difference on that kind of power, two hundred and something HP .....
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I got SOC FANS to bring in one for me from the USA. The part number is 2294. I'm just trying it out because when I used it on my Alfa Romeo years ago, there were noticable differences.
So, far, I can assure you that there is no change in noise. So unlike the one I used years ago. Secondly, I have driven my 545 at low and high speeds with this filter fitted and there really is no difference in butt feeling. This may be psychological, but I do notice the rev needle seems to move more freely.
If you ask me now, I'd say, don't waste your time on the K&N for such a big engine.
So, far, I can assure you that there is no change in noise. So unlike the one I used years ago. Secondly, I have driven my 545 at low and high speeds with this filter fitted and there really is no difference in butt feeling. This may be psychological, but I do notice the rev needle seems to move more freely.
If you ask me now, I'd say, don't waste your time on the K&N for such a big engine.
#10
This is one of those controversial automotive issues. There is considerable hype on the part of aftermarket air filter makers, but I believe it's mostly hype. I've seen some very good INDEPENDENT tests of BMW oem vs. K&N, for instance, that show the K&N to be inferior in dirt filtration, with no gain in horsepower either. I can't find the one for BMW right now, but here's a similar test for GM applications:
http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm
In a racing application, one can achieve greater air flow with K&N style cone filters. In that application, letting some extra dust through isn't an issue--you're going to be re-building the motor every 100 hrs. or so anyway. For most of us, though, longevity of the engine is more of an issue. [It should also be pointed out that cone filters may perform worse on the street than O.E.M.. That's because unless the engine compartment is receiving considerable fresh air flow, as in track speeds, the cone filter just sucks in a lot of hot air around the engine.]
http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm
In a racing application, one can achieve greater air flow with K&N style cone filters. In that application, letting some extra dust through isn't an issue--you're going to be re-building the motor every 100 hrs. or so anyway. For most of us, though, longevity of the engine is more of an issue. [It should also be pointed out that cone filters may perform worse on the street than O.E.M.. That's because unless the engine compartment is receiving considerable fresh air flow, as in track speeds, the cone filter just sucks in a lot of hot air around the engine.]