2002 E46 325i K&N panel filters

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  1. 2002 E46 325i K&N panel filters 
    #1
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    ThE.gRiZzLe's Car Details
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    Hi all,

    Just a quick one,

    I was having a browse through the forums and thought I saw somewhere that a K&N Panel filter may mess about with the Mass Air Flow (MAF) Sensor and was just wondering if this is true?

    I am planning to give my E46 325ci a full service when I pick it up tomorrow and was going to use a K&N but if it messes about with the MAF, is there another better filter to use such as green or piper? Also id prefer for the filter to be serviceable so i dont have to keep running about getting hold of BMW ones.

    Its a 2003 prefacelift if you need to know, and to be honest im not fussed about sound, though that would be an added bonus. Also i would prefer one that didn't give a performance loss.

    Sorry if ive made this really long for no reason, just couldn't find the other thread on it.

    Thanks
    Ahmet
     
     

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    #2
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    K & N's are an oil based filter and oil droplets can get onto the maf and mess it up
     
     

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    Fair enough, best off sticking to paper or oe then i take it.

    Thanks for the advice Martyn,

    Regards
    Ahmet
     
     

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    xXxStKxXx's Car Details
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    Yeah OEM filters in tests are as good as if not better than performance filters Just make sure they are kept clean and replaced when dirty
     
     

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    Quote Originally Posted by Martyn D. View Post
    K & N's are an oil based filter and oil droplets can get onto the maf and mess it up
    what about pipercross filters. you know the foam ones. are they oil based? can they damage the maf?http://cgi.ebay.co.uk/BMW-E46-328i-P...item3ef1298d25
     
     

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    328mark's Car Details
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    afaik they use a static charged spray...i have a piperx and am very happy with it
    what i've felt,what i've known
    never shined through in what i've shown.

    -------------------------------------------
    PLEASE READ THE POSTING RULES & HOW TO CORRECT THREAD TITLES & THE SELLING RULES
     
     

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    i use a K&N and have to say there is little difference, but more wail from the engine at high revs. seems to respond a little better but thats negligable. as for oil getting onto your maf i think this only happens when people clean their filters and spray on to much oil. to be safe let your new filter rest on some kitchen roll over night. tbh, when i got mine it felt nice and dry and id be suprised if any residual oil could escape.
     
     

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