320i vs 325i Throttle Bodies

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M3KUK
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Post Wed Mar 07, 2018 9:26 pm

Hi, just bought a 64mm throttle body which is a bored out 325i item. Can this be fitted to my 320i? Any power gains to be had?

I have read the Wiki pages, std 325i one can go on a 320i but what size is the std 325i one?

Ta Mike.
Cloggy Saint
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Post Wed Mar 07, 2018 9:31 pm

It will physically fit but because the opening on the 2.0 inlet manifold is smaller than the 2.5 version there will be a 'step' that needs to ground away. If you can be bothered to do this (and speaking from experience I wouldn't recommend it) you can expect gains of +/- nothing.
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Brdjo
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Post Thu Mar 08, 2018 12:12 pm

Cloggy Saint wrote:you can expect gains of +/- nothing.
+1

no point whatsoever.. :)