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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, Aug-17-2016, 11:09:43 AM   #31
M_Parallel
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Default Re: M3 S50B30 in Japan

Quote:
Originally Posted by Neubauten View Post
Sorry, my (French) data sheet for S52 showed peak torque 305 Nm à 4250 rpm (while S50 is 321 Nm at 3600 rpm), it might be wrong then.
321 is the listed horsepower.

Torque on the 3.2 is a healthy 350nm @ 3250rpm (as listed in my post above).

Which makes it very tractable.

And 320nm is available from circa 2500-6000rpm. (the exact numbers are in the brochure).
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Old Wed, Aug-17-2016, 12:23:36 PM   #32
Hasan Shaikh
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Default Re: M3 S50B30 in Japan

Guys

Is there a good after market intake available for the S50B32?

Thanks
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Old Wed, Aug-17-2016, 01:06:50 PM   #33
M_Parallel
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Default Re: M3 S50B30 in Japan

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Originally Posted by Hasan Shaikh View Post
Guys

Is there a good after market intake available for the S50B32?

Thanks
Man...why!?

You have a lovely S50B32. Why mess with an aftermarket intake?


Anyways, Simota and "Dave F" are/were popular.
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Old Wed, Aug-17-2016, 01:13:46 PM   #34
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Default Re: M3 S50B30 in Japan

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Originally Posted by M_Parallel View Post
Man...why!?

You have a lovely S50B32. Why mess with an aftermarket intake?


Anyways, Simota and "Dave F" are/were popular.

I thought a few more hp will be nice.

I don't like Simota. Will look into Dave F.

Thanks
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Old Wed, Aug-17-2016, 02:08:39 PM   #35
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Default Re: M3 S50B30 in Japan

I forgot the "Gruppe M".

Not sure if available.

If you want more horses I would look at other stuff first.
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Old Wed, Aug-17-2016, 02:21:39 PM   #36
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Default Re: M3 S50B30 in Japan

Very nice. Please advise how to go about it.

Also looking for suggestions on a nice cat back exhaust.

Thanks
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Old Wed, Aug-17-2016, 02:22:33 PM   #37
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Default Re: M3 S50B30 in Japan

Quote:
Originally Posted by M_Parallel View Post
321 is the listed horsepower.

Torque on the 3.2 is a healthy 350nm @ 3250rpm (as listed in my post above).

Which makes it very tractable.

And 320nm is available from circa 2500-6000rpm. (the exact numbers are in the brochure).
Sorry, I was talking about the S50B30 engine:
286 Hp at 7000 rpm
321 Nm at 3600 rpm

S50B32 is indeed:
321 Hp at 7400 rpm
350 Nm at 3250 rpm

So actually today I learned the difference between S50 US and S52, I thought it was the same engine, mea culpa...

So it seems that US engines stats are:
S50B30US
240 Hp at 6000 rpm
305 Nm at 4250 rpm
(this is what I wrote before, thinking is was from S52)

S52B32
240 Hp at 6000 rpm (really?)
340 Nm at 3800 rpm (so indeed more torque than the original S50B30)

Anyway, enough with numbers...

Quote:
I forgot the "Gruppe M".
Gruppe M is not doing anything for S52, but they have something for M52, not sure if compatible or not, but I won't expect too much from this anyway.
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Old Wed, Aug-17-2016, 02:30:15 PM   #38
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Default Re: M3 S50B30 in Japan

I'm just curious, what kind of longevity do you see out of the Euro version of these motors? The few that we see here in the states seem more finicky, but perhaps we don't know how to work on them properly.

Seems like an unintended consequence of the US getting the detuned version is that these motors run for a very long time here. My dyno guy calls them "tractor engines" because they run forever. The US transmission and diff are simpler and lighter which is helpful for a track car.
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Old Wed, Aug-17-2016, 02:51:23 PM   #39
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Default Re: M3 S50B30 in Japan

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Originally Posted by MaynardZed View Post
I'm just curious, what kind of longevity do you see out of the Euro version of these motors? The few that we see here in the states seem more finicky, but perhaps we don't know how to work on them properly.

Seems like an unintended consequence of the US getting the detuned version is that these motors run for a very long time here. My dyno guy calls them "tractor engines" because they run forever. The US transmission and diff are simpler and lighter which is helpful for a track car.
It is hard to reply because it obviously depends on maintenance (especially bearings and Vanos...) but actually in Europe you can find a lot of cars above 200,000 kms.
The one I bought in Japan is 148,000 km which would be considered a relatively low mileage in France.

But it is probable that US engine would last longer as having less mechanical constraints (especially for the AT version, which did not exist in Europe).

To my opinion, the problem of the M3 E36 getting aged is not drivetrain but everything else, especially the interior...
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Old Wed, Aug-17-2016, 03:16:31 PM   #40
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Default Re: M3 S50B30 in Japan

One of the local members of the BMWCCC has an NA spec e36 with over 500k on it! Original s52 and it still looks nearly perfect.
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Discussing M3 S50B30 in Japan 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)