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Car Forum / BMW Cars / October 2007M50 520i intake manifold same as 525i?
There's a 520i 34 breaking near me and I have my eye on it's intake manifold to upgrade my 328i. The 520i and 525i manifolds have different part numbers, but I'm wondering if there's much difference?  SignatureWho needs a life when you've got Unix? :-) Email: john@unixnerd.demon.co.uk, John G.Burns B.Eng, Bonny Scotland Web : http://www.unixnerd.demon.co.uk - The Ultimate BMW Homepage! Need Sun or HP Unix kit? http://www.unixnerd.demon.co.uk/unix.html www.Strathspey.co.uk - Quality Binoculars at a Sensible price >There's a 520i 34 breaking near me and I have my eye on it's intake >manifold to upgrade my 328i. The 520i and 525i manifolds have different >part numbers, but I'm wondering if there's much difference? Well for a start the 520 is a 2000cc engine and the 525 has a 2500cc engine so there might just be a size difference and both might be slightly smaller than your 328 with a 2800cc engine. What exactly are you trying to UPDATE by fitting a inlet manifold from a smaller engine or rather what do you hope to achieve by doing this? SignatureSir Hugh of Bognor The difference between men and boys is the price of their toys. Intelligence is not knowing the answer but knowing where and how to find it! Hugh Gundersen hsg@h-gee.co.uk Bognor Regis, W.Sussex, England, UK > >There's a 520i 34 breaking near me and I have my eye on it's intake > >manifold to upgrade my 328i. The 520i and 525i manifolds have different [quoted text clipped - 6 lines] > What exactly are you trying to UPDATE by fitting a inlet manifold from a smaller > engine or rather what do you hope to achieve by doing this? The M52 intake manifold flows about two thirds the air mass of the earlier M50. Fitting an M50 manifold to an M52 with a big bore throttle body and remap can boost power from 193bhp to 230-240! the 520i and 525i manifolds LOOK the same, but have different part numbers. Hence my question. SignatureWho needs a life when you've got Unix? :-) Email: john@unixnerd.demon.co.uk, John G.Burns B.Eng, Bonny Scotland Web : http://www.unixnerd.demon.co.uk - The Ultimate BMW Homepage! Need Sun or HP Unix kit? http://www.unixnerd.demon.co.uk/unix.html www.Strathspey.co.uk - Quality Binoculars at a Sensible price > There's a 520i 34 breaking near me and I have my eye on it's intake > manifold to upgrade my 328i. The 520i and 525i manifolds have different > part numbers, but I'm wondering if there's much difference? I', not sure of any differences, but it;s got to be worth £15 or so to try it out. Can't be too dissimilar as I used an E34 525 exhaust manifold on my 520 with no problems. JB |
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