2.5 engines

General E30 related discussions -
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harris1
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Post Thu Jul 13, 2006 4:14 pm

hi guys just signed on, liking the website.
been after a e30 for adges, and its come the time to get one.

Just wanted to know if you can tell the difference from a 2.0 litre and 2.5 litre when the engines in the car? :?
Dominitry
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Post Thu Jul 13, 2006 4:48 pm

By looking at it you mean? I'm not the best person to reply this but i think the biggest way of telling is the inlet manifold, the 320 ones are slightly smaller and less curvy than the 325 ones.
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mark320i
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Post Thu Jul 13, 2006 5:57 pm

also somewhere on the side theres 2.5 engraved in it, nothing the angle grinder won't sort out!
wildeian
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Post Thu Jul 13, 2006 9:53 pm

Apparently 320's have a different rocker breather:

http://www.e30zone.co.uk/modules.php?na ... ic&t=39838

Not sure on this though, as I've never had a 320
Martinaston
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Post Thu Jul 13, 2006 11:12 pm

320 has white injectors and a 325 has blue injectors.
Thats the quickest way to tell from looking at it, but thats no guarentee that the bottom end is the correct one.
Someone may have just swapped the top winkeye