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  1. 328i Engine Mods 
    #1
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    I have a 328i Coupe on a R plate (1997) M52 I beleave if incorrected please let me now.

    I have been told that there are six breathing modifications to be done. Can anyone help with them mods and more please.

    If i change the inlet manifold with a bigger bore throttle body off a 325i this will give me approx 20hp and makes the car more responsive. Can anyone help out please.

    Thanks
    Rhys
     
     

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    Welcome. You do have the M52.

    You need to fit the earlier M50 2.5 manifold to your 2.8 M52 and it should give you about 15-20bhp. It should make a massive difference at higher revs.

    The manifold is not a straight forward fit. You can either bodge it together yourself or buy a pre-converted one which should just bolt straight on.

    Ian
     
     

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    rhyswillis (17-04-2009)

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    #3
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    Thanks for the welcome mate.

    Wot do i have to do to make it fit proper?

    How much will the pre-converted ones cost?

    Will it be ok if i fit the 2.5 stright on (bodge it) lol.

    Rhys
     
     

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    Quote Originally Posted by rhyswillis View Post
    Thanks for the welcome mate.

    Wot do i have to do to make it fit proper?

    How much will the pre-converted ones cost?

    Will it be ok if i fit the 2.5 stright on (bodge it) lol.

    Rhys
    Speak to this man here http://www.bimmerforums.co.uk/member.php?u=11349

    He knows all about the conversion and can sort you out from start to finish
    Last edited by Ronnie; 13-04-2009 at 23:20.
     
     

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    Ian S (13-04-2009),rhyswillis (17-04-2009)

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    #5
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    This article may interest you as well

    http://www.emotors.ca/articles/40.aspx
     
     

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    rhyswillis (17-04-2009)

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    #6
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    ok thanks everyone.
     
     

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