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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Wed, May-12-2010, 01:53:22 PM   #11
New2Mseries
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Old Wed, May-12-2010, 03:42:58 PM   #12
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Originally Posted by BleedsBlue View Post
Very excited to see the results. People forget the S50B30 is still a great engine (except maybe Paul)
It's true: one need only notice that the majority of engine swaps are done with the S50B32 to see that bias.

Most racing motors were (and continue to be) built with the S50B30, though, as they've earned a reputation for being nearly indestructible.
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i once stood in front of my x fiance and said .... wow that right there is the love of my life, and i pointed at an m3
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Old Wed, May-12-2010, 04:30:24 PM   #13
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Awesome, great inspiration. Subscribed.
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Old Wed, May-12-2010, 06:51:22 PM   #14
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Quote:
Originally Posted by Shock(/\)ave View Post
It's true: one need only notice that the majority of engine swaps are done with the S50B32 to see that bias.

Most racing motors were (and continue to be) built with the S50B30, though, as they've earned a reputation for being nearly indestructible.
Exactly; I have never heard of a US swap for a B30.

I've heard they are indestructible, and I wonder if part of it has to do with the bore and stroke. The S50 (Euro and NA) are square, while the S52 and B32 are both undersquare. I've heard much of the S50's better rev-ability (technical term ) comes from this.
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Old Wed, May-12-2010, 07:09:55 PM   #15
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Quote:
Originally Posted by Shock(/\)ave View Post
It's true: one need only notice that the majority of engine swaps are done with the S50B32 to see that bias.

Most racing motors were (and continue to be) built with the S50B30, though, as they've earned a reputation for being nearly indestructible.
Paul, we should swap engines for the summer.
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Old Wed, May-12-2010, 07:15:24 PM   #16
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Quote:
Originally Posted by BleedsBlue View Post
Exactly; I have never heard of a US swap for a B30.

I've heard they are indestructible, and I wonder if part of it has to do with the bore and stroke. The S50 (Euro and NA) are square, while the S52 and B32 are both undersquare. I've heard much of the S50's better rev-ability (technical term ) comes from this.
The would certainly explain it.

I find nothing whatsoever lacking in the power of my engine, but then again I haven't had the pleasure of driving anything really, really fast.

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Paul, we should swap engines for the summer.
Sounds like a plan! I might have an S14 on hand for you to choose from if all goes well.
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Originally Posted by M3BabyDady View Post
i once stood in front of my x fiance and said .... wow that right there is the love of my life, and i pointed at an m3

Last edited by Shock(/\)ave; Wed, May-12-2010 at 07:19:12 PM. Reason: Reason? So much for being an edit ninja.
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Old Wed, May-12-2010, 09:28:47 PM   #17
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So for race engine building, the Euro S50B30 is better than the Euro S50B32?

Last edited by AbaddonFlame; Wed, May-12-2010 at 09:32:08 PM.
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Old Thu, May-13-2010, 02:35:18 AM   #18
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So for race engine building, the Euro S50B30 is better than the Euro S50B32?
Generally speaking? Yes.
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Old Thu, May-13-2010, 06:23:11 AM   #19
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need i say more?
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Old Thu, May-13-2010, 07:22:00 AM   #20
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The lower price and bulletproof reliability of the S50B30 makes it quite a tempting candidate. The internet seems to think that the S50B30 is generally underrated or on-par with its power figure, whereas the S50B32 tends to be somewhat overrated with its power figures. Shrug.
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Discussing S50B30 (euro) NA build in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)