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Old 05-20-2004, 09:35 PM   #1
gshennen
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Join Date: Apr 2004
Location: NZ
Posts: 6
325i and 320i Part Differences

Hello

Can anyone help me here. I am interested in the differences between the capacity (maybe not the right word, but hopefully you will get the picture) of the following parts for the 325i and the 320i.

1) Fuel Injectors - do the 325i injectors have a greater capacity (i.e able to push more fuel though) than the 320i injectors. (upon physical inspection, they look the same)

2) Air Flow Meter - does the 325i AFM allow more air into the engine that the 320i AFM? (upon physical inspection they look the same)

3) Throttle Body - Again, what are the differences (if any) in capacity?

I realise that there are different part numbers for each of these between the 320i and 325i, but this does not always mean that the parts are actually any different.

I also realise that a lot of you don't know much about 320i's and that they are not available in a lot of places, but hopefullt someone can help.

Cheers

Grant Shennen
New Zealand
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1990 E30 325i 5 Spd, 4 door.
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Old 05-20-2004, 09:57 PM   #2
bmdoubleya
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I'd say put a different motor all to ghether... Maybe M power

I know that for my car a e30 325is lots of people switch 535 Afm and injectors...

As for the 320IS that car is very rare and has a 2.3 six in it not a 2.0 4...
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Old 05-20-2004, 10:23 PM   #3
gshennen
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In New Zealand (and elsewhere) we also have an E30 320i, it is a straight 6 2.0l engine. About 120hp (flywheel). It is completely different to the european 320is (the mini M3).
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Old 05-22-2004, 05:59 PM   #4
miafori
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I see that bmdoubleya mentions about S14 320is and gshennen asks for M20 320i. very different.

gshennen: I want to know the same things also. In addition to this I wonder whether 320i block is upgradeable to 325i block. The only difference is cylinder diameter.
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