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  1. #1
    persiandude 97M3/4
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    can i replace stock air box with cone filter?>>

    I need a new air filter and was thinking about using a cone filter instead of the stock air box. But i have a few questions...

    Is this possible?
    Is it as easy to do as it seems?
    Would it be beneficial?
    Would an ITG or K&N filter be a direct fit onto the stock intake?
    How much do ITG filters cost?

    Thanks to all who lend an opinion..

    --97 M3/4 Cosmos Black/Black



  2. #2
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    Re: can i replace stock air box with cone filter?>>

    You can, but I wouldn't advise just sticking a cone filter where the airbox used to be. If you do that without a head-shield you're bound to loose power.

    If you want to ditch the air-box, get a ECIS or Conforti intake. Or if you're a cheap bastard like me, there's a guy over on bimmerform that sells a 3.5" CAI that's like Dinan's for like $135 (or close). I got that, and am pretty happy with it, although if I wasn't so thrifty I would have gotten a Conforti.

    As for benefits. They are pretty minimal. They do make the engine sound pretty mean though.------------------------------------


    -: 1995 M3 Lux 5spd Cosmos Black/Cream Leather :-
    Euro-Floating Rotors/Axxis Ultimate Pads, Koni S/A's, GC RSM's,
    Cosmos CAI, SS brake lines/ATE Fluid, UDPs, Fan-Delete

  3. #3
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    Member No: 97069 Jado is an unknown quantity at this point Jado's Avatar
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    exactly, More >>

    i've posted this before, but not sure if it was here.
    i live in Phoenix, yes, very hot, and i've got an AA CAI on my M. one day i got home at the same time as my roommates friend, who runs a honda type thing with just a cone filter on a shiny intake arm. since both cars were JUST driven, and it was mid summer, we used a laser Thermometor thingy on both air filters. remember, it was 115 plus outside--his car's filter read 135+ degrees, my car's filter read 92 degrees.

    do not use just a cone filter :) link below if you're intersted...

    --Jado 97 M3
    AA CAIS/Exhaust

  4. #4
    Registered Member
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    Yes | No

    not so much that the cost alone is an issue...

    but from what i have been told by this forum the cost/benefit ratio seems very low on OBDII cars with CAIs. But thanks for the info on the COSMOSM3 intakes on Bimmerforums... I might have to check it out.


  5. #5
    ///alpinepower
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    you're missing the point

    it sounds cool.


    that's the only reason i got mine (OBD2)

  6. #6
    kdawg97M3
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    i just bought a dinan CIA, doi ireally have to >>>

    get the stage 2 software. i have been told that it will mess up mu motor if i do the cis w/o the software? is this true? thanks

  7. #7
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    I have one. You don't need the s/w. (nt)


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