E46 330i SE Induction Kit - what to get?

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  1. E46 330i SE Induction Kit - what to get? 
    #1
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    Evening all,

    I am looking to treat the 330 to a new induction kit and was wondering what the experts thought was the best for sound and performance enhancement. In the past I have stuck with HKS for my Jap cars and K&N for the German kit, but wondered if any rolling road tests have been conducted for the 330?

    Happy to hear thoughts!

     
     

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    Dave F if you can get hold of one
     
     

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    For performance your best to go for a carbon fibre enclosed induction kit like this BMC type. They're very heat resistant so less heat soak, but you won't really get that much of a "induction" sound.

    For sound you could go down the K&N Gen2 or Dave-F route. Any of the kits with heat shields would suffice. Good for noise, just not amazing power increase.

    Hope this helps.
     
     

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    #4
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    i would use itg as they have a foam filter so no issues with oil in the MAF They are really top end filters too not boy racer crap.
     
     

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    ITG foam filters are oiled.

    ITG Air Filters
     
     

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    I have the same car as you and i bought a K&N Gen II with heat shield and it was shit to put it bluntly.

    If anything made the car feel slower and the induction noise at low RPM sounded awful more like a dull groan liike having an annoying loud exhaust on the motorway.

    I have sold it and put a Pipercross panel filter in which in my opinion is far better than any aftermarket induction kit or airbox and cheaper!

    It makes a small improvement to sound at high RPM which is what i was after.

    Oh and it might just be coincidence but my MAF died not long after fitting the K&N but that may just be down to old age
     
     

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    #7
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    You've come to the right BMW intake expert!
    Okay sound wise K&N - got that out of the way..
    Performance wise, don't get K&N. they just give you a heat shield and call it a cold air intake. Which in reality after the car has been at running temperature for more than 5 minutes heats up the shield and passes into the filter. that's what happened with 330ise. Hot air is worse than having a small surface area because the air is much less dense so you're really not getting alot of it.
    a TRUE cold air intake sucks air from the bottom of the car outside the engine bay. You want that sort of set up because the air is thick. You also want the tubing to be made of chrome so heat is reflected, not blocked. Blocked heat just absorbs the heat until its so hot it stops blocking and just passes through because the object blocking the heat is so hot. reflecting heat means the heat bounces off of it and is never absorbed.
    I would recommend "chromeintakes" Cold air intake since it does just that. I'm not promoting them just because i use them, i truely feel like they used brains and not just expensive materiel to make their intake kit. ^.^
    Just be careful of hydrolocking and of course if you are worried about it just get an filter shield ^.^ i hear AEM makes great filter shields.
     
     

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    330ise (12-01-2012)

  11.  
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    Oh and chromeintakes gives pretty decent sound (you can see youtube for sound demos)
     
     

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    330ise (12-01-2012)

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    ive got a pipercross panel filter,if im going to upgrade it will be a bmc cda filter...
     
     

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    #10
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    The standard airbox has a cold air intake anyway and is further up behind the grille so no risk of sucking up water unless you drive through a lake.

    I think a performance filter element in the standard box is a far cheaper way of getting cold air into the engine than buying a chrome tube with a paper cone on the end of it down where it'll get covered in shite.
     
     

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