e36 325i m50 exhaust manifold swop?

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  1. e36 325i m50 exhaust manifold swop? 
    #1
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    russ964's Car Details
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    Next year iam goin to have an exhaust made for my old bm, before i go down that route i was considering an exhaust manifold swop.
    M3 headers being the best option, but there expensive (£200/300).
    Will the manifold of a 328 make any difference?
    They look different, but will they produce any gains that are worth the effort?

    All the bolts are seized in and rusty, so it will be a a lot of work to remove the standard items.

    Thanks.
     
     

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  3. e36 325i m50 exhaust manifold swop? 
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    niall_farley's Car Details
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    The 328 manifold will slow your car down considerably! You have a great manifold on and I would leave it on mate just de-cat and m3 back box
    to fast to live
    to young to die

    click hear for extreme bbw punishment......
     
     

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    hamish262001's Car Details
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    Quote Originally Posted by niall_farley View Post
    The 328 manifold will slow your car down considerably! You have a great manifold on and I would leave it on mate just de-cat and m3 back box
    whats wrong with a m52 328 exhaust manifold?
     
     

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    #4
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    jabandrew's Car Details
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    I will swap my 328i manifold for yours lol you are lucky mate its the m50 manifold people like me are after as its the bigger intake to the 328i because they are restricted unlike yours for German tax laws ect keep it on. Mayb bigger throttle body?
    http://www.bimmerforums.co.uk/forum/image.php?type=sigpic&userid=68119&dateline=130487  5947
     
     

  7. e36 325i m50 exhaust manifold swop? 
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    Yeh exactly the 328 manifold is restricted as anything over a certain power output required high tax so they restricted it and the same swap but backwards to yours increases the 328s power by around 30bhp
    to fast to live
    to young to die

    click hear for extreme bbw punishment......
     
     

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    russ964 (28-11-2011)

  9.  
    #6
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    Ok, ill leave it alone.

    Unless a set of m3 headers turn up cheap.
     
     

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    Artur Costa's Car Details
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    Arent you talking about intake manifold? And the OP exhaust manifold?
    I have both M50 and M52 exhaust manifolds and the M52 looks to be larger and the looks like stainless steel and the M50 are cast iron.
    Still they dont look like worth the effort on swapping , go for the M3 ones they look like the real deal.
    Artur Costa
     
     

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    hamish262001 (28-11-2011)

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    #8
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    Quote Originally Posted by Artur Costa View Post
    Arent you talking about intake manifold? And the OP exhaust manifold?
    I have both M50 and M52 exhaust manifolds and the M52 looks to be larger and the looks like stainless steel and the M50 are cast iron.
    Still they dont look like worth the effort on swapping , go for the M3 ones they look like the real deal.
    Thanks
    as above the OP is talking about exhaust manifolds not intake
     
     

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    ive got a 95 2.5 m50 engine and my bros got a 97 323i m52 and his exhaust manifold looks loads bigger then my cast iron thing would it make my1 better if i fitted one off a 323 like my bros.
     
     

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    just buy an aftermarket stainless steel manifold it will do the job of any m3 manifold as all its for is to allow exhaust gasses to flow no special propertys only different restrictions and alot of stainless systems you buy now are life time guarentee and the manifolds are reasonably priced i have them on mine mines running well over 200bhp but there is more than an exhaust contributing to it lol

    nice cheap ebay job here...... http://www.ebay.co.uk/itm/BMW-E36-6-...item35b7e1ac27
     
     

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