1997 E36 323i induction/manifold

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  1. 1997 E36 323i induction/manifold 
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    i just bought the 323i touring. the 2.5 straight 6 sounds great but i am debating some upgrades. its a good solid low miler but could do with some ompff!!
    i'm looking at induction kits, is the dave-f a standard fit across the range? also there is a rater nice carbonio carbon fibre kit on ca automotive which looks the bees...very tempted with that!
    also just been reading a little about converting the manifold to one from the M50 engine. i think mine is the restricted M52?
    is this manifold replacement a straight switch or do i need some fitting kit?
    sorry if this seeems a repetative subject!!
    as my engine is nice and tight and genuine i dont wish to mess with it too much...but if the manifold is an easy switch im game.
    any comment, help or suggestion will be greatly received.
    cheers
     
     

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    Yes indeed yours is restricted.This guys does a fabricated M50 manifold that will fit perfectly onto your engine http://www.bimmerforums.co.uk/forum/members/11349.html
     
     

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    yetibmw (08-10-2009)

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    thanks, i've read a few posts frommthis guy and it does seem the way forward.
    any thoughts on an induction kit as the first thing to do?
     
     

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    As StK stated Manifold is not a straight fit unless you buy the modified one sold by Alpina527.

    The manifold kit would make more difference than an induction kit. What's the point in getting more air in with the induction kit when it's restricted later on?

    Ian
     
     

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    Hello

    Mine already had the mod done when i bought it , my friend noticed the difference more than i did as ive never driven a std car , just keeps pulling and pulling rite up to limiter even in 5th , good mod i think , everyone seems to be looking to do it .
     
     

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    the mod is in the pipeline. for now i have decided to fit a K&N filter as an upgrade. wheels are next with poly bushes to the suspension. then the manifold upgrade.
    the only other question i have regading this conversion is the effect it will have on fuel economy. i currently get a more than acceptable mpg, i dont do much urban milage, its all open country roads over the south downs or motorway miles.
    can anyone give me an idea of how much this conversion will effect my mpg?
     
     

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    You will probably get slightly better MPG but doon't quote me on that TBH MPG probably won't be affected to much either way after all its only an extra 20hp roughly which on motorways etc having that should improve your MPG slightly

    Witht the K&N make sure you fit a heatshield too because if you don't you will lose HP because hot air will be sucked in which is bad for combustion
     
     

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    glad to hear about the mpg, just makes me more keen to do the mod!
    as for the K&N filter. i will just be replacing the standard panel filter. not sure how i would fit a heatshield? can you enlighten me a little please, or do you know where i can find/see any examples of this.
     
     

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    Pics of a Dave-F kit.......




    a couple of members here have them and rate them well
     
     

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    yetibmw (14-10-2009)

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    great pics. i saw a dave f kit sell on ebay at the wknd, it went for £68ish, a bit tatty though. totally understan the need to seperate the air intake from the hot air of the engine. when i eventually do put an induction kit on i'll be sure to wrap the exhaust header with heat tape too. dramatically reduces the temperature in the engine bay.
    i won't need to heatshield as it is literally the paper element i am replacing. im saving the money i would have spent on the induction kit for the manifold.
    ps. thats one lovely clear engine bay you have there..thumbs up!!
     
     

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