Green Cotton Filter or K&N Filter?

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  1. Green Cotton Filter or K&N Filter? 
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    As the title says... which is better??
     
     

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    I have had K&N filters before on my cars and have one at the mo on my 520d not sure on Green Cotton never had or know any person have one. They must be close in how they work it may just depend on price for you. I am brand loyal and will always have K&N they have done me well.
     
     

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    E36Meerkat (19-02-2010)

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    Green filter.. I was torn between K&N and green but general opinion from everyone I asked (including in a thread I started on here) was that K&N's are too oily so I made the choice to go with the green cotton filter and i'm well happy with it!
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    Did all the fitments needed come with the filter? The green one that is.
     
     

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    K&N are American and if any faults come from the K&N product you can assume that they would have gone out of business years ago through law suits. As they are still in business then you can reassuringly assume that they are a good company. I believe that people oil the filters too much when they service them. The filters have a 50,000 mile service interval, so that's good how ever if needed you can clean them your self by washing the filter in a weak petrol two stroke mix, then leave to dry and just refit. I think that the oil problem is a created myth, unless any one can prove different and if so they would have a claim on K&N.
     
     

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    Quote Originally Posted by fireytj View Post
    K&N are American and if any faults come from the K&N product you can assume that they would have gone out of business years ago through law suits. As they are still in business then you can reassuringly assume that they are a good company. I believe that people oil the filters too much when they service them. The filters have a 50,000 mile service interval, so that's good how ever if needed you can clean them your self by washing the filter in a weak petrol two stroke mix, then leave to dry and just refit. I think that the oil problem is a created myth, unless any one can prove different and if so they would have a claim on K&N.
    Good info there buddy! Cheers!
     
     

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    are you going panel filter or cone, only asking due to cones being absolute garbage regardless of make due to heat soak, and as the panel filter is basically a less restrictive version of oem , and has all the relivant pipework,cold box etc will work better , id go for panel if you can . unless ur going to cold box a cone filter then that will be better,
     
     

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    Quote Originally Posted by E36Meerkat View Post
    Did all the fitments needed come with the filter? The green one that is.
    there are no additional fitments needed, the filter is an OEM replacement so if you've got a standard cone filter you'll get a lower resistance cone filter.. if you've got a panel filter you'll get a lower resistance panel filter

    P.S also check out pipercross as a third choice

    I probably would have got pipercross but they don't make a filter for my car.. however i'm very happy with my green cotton filter.. and i'm sure theres many happy K&N filter customers around..

    down to your choice in the end mate
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    The cold box advice is spot on panel filters work with ease in there original box designed for the car sealed with a good cold feed, and cone filters suffer heat sync but if your car has a cold feed box with a cone inside as mine does they work very well. The Halfords possy use cone filters with no box and you end up with massive induction noise and warm air going in NOT ideal, sorry to generalise by the way. Just go out and buy the one you want Piper cross and K&N are trusted and tested filters.
     
     

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    i no il be getting an aftermarket panel filter, i think bmw and cone filter with no box/shield just dont go together,
     
     

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