M20 types and part compatibility

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Orac
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Re: M20 types and part compatibility

Postby Orac » Tue Jun 23, 2009 9:17 pm

There was no 320is that came with a m20. The m20b20 came out in the 320i.

The 320is came out with a S14, and it only came out in Italy and Portugal.

Pretty sure it came with the standard 4 stud like every other normal e30 aswell.
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Re: M20 types and part compatibility

Postby BimmerJake » Tue Jun 23, 2009 9:38 pm

you, sir, are correct. and i stand corrected. :wink:
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Re: M20 types and part compatibility

Postby ten2doyle102 » Tue Jun 23, 2009 10:06 pm

Orac wrote:There was no 320is that came with a m20. The m20b20 came out in the 320i.

The 320is came out with a S14, and it only came out in Italy and Portugal.

Pretty sure it came with the standard 4 stud like every other normal e30 aswell.



Its also a smaller version of the s14 found in the m3's, correct?
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Re: M20 types and part compatibility

Postby Orac » Tue Jun 23, 2009 10:15 pm

Yeah, it was 1990cc, so just under 2L.
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Re: M20 types and part compatibility

Postby BimmerJake » Tue Jun 23, 2009 11:54 pm

now that i've gone back and looked i think i was thinking about the south african 325is that has a 2.7 liter with 210 hp. that must have been the strange south african e30 i was thinking of.
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Re: M20 types and part compatibility

Postby M20_fever » Wed Jun 24, 2009 1:38 am

no, I'm pretty sure the 320is that came with the s14 was south African too.
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Re: M20 types and part compatibility

Postby Orac » Wed Jun 24, 2009 3:28 am

Either way, there was no 320is with an M20.
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LEAN_E30
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Re: M20 types and part compatibility

Postby LEAN_E30 » Wed Jun 24, 2009 5:43 am

my bad. I knew better than that, typo fixed.

Thank you Orac. I woulda caught it earlier if i had been keepin my eyes open, oops.
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Re: M20 types and part compatibility

Postby Joe_Beard » Tue Jun 30, 2009 6:45 pm

This is a dumb question imo but ive searched e30tech with no results.


I re did one of my eta blocks with "i" internals ( crank, rods, pistons ) then put an 885 head on it.

what I really wanted to know are there any problems with shoving an 885 head on an eta block fitted with an i crank/pistons?
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Re: M20 types and part compatibility

Postby M20_fever » Wed Jul 01, 2009 12:40 am

nope, your fine. the only difference in M20 blocks is between normal e30s and IXs. Early 'e' blocks used a different main bearing but the later style will work in them also.
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Re: M20 types and part compatibility

Postby Joe_Beard » Wed Jul 01, 2009 2:09 am

Good just making sure I didnt over look something and that the head I have is deff screwed. :(
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Re: M20 types and part compatibility

Postby LEAN_E30 » Wed Jul 29, 2009 12:50 am

Joe_Beard wrote:Good just making sure I didnt over look something and that the head I have is deff screwed. :(


that would definately suck. that's why this thread is here. :mrgreen:


just make sure your timing is on point before you crank an m20 over as they are interference valve trains
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Re: M20 types and part compatibility

Postby symplej » Fri Oct 30, 2015 4:54 am

Alright, so, I know this is old, but I didn't really want to start a new thread, and i'm unfamiliar with forum etiquette, but I already found some information about the 731b27, and was wanting to know more. Like parts needed, any machine work, etc. If anyone has done it, performance gains, is it worth it?
I have a blown 200 head and was curious about cost effective options for replacement.
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Re: M20 types and part compatibility

Postby Yoshi » Fri Oct 30, 2015 11:47 am

you mean the 2.7 with the 2.5 head? There should be write ups on that everywhere. It overall lowers compression though. Not my cup of tea.
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Re: M20 types and part compatibility

Postby 87e30 » Fri Oct 30, 2015 12:19 pm

Quite possibly the oldest resurrected forum post I've ever seen. :-)
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