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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 Mon, Dec-21-2015, 03:07:16 PM   #411
332ijunkie
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Default Re: Post your e36 M3 Dyno Charts

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Originally Posted by Matt15 View Post
1999 M3 Convertible manual
- M50 manifold
- fan delete
- UUC system U catback
- stock software

Wicked rich... odd.
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Old Mon, Dec-21-2015, 04:16:03 PM   #412
pbonsalb
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Default Re: Post your e36 M3 Dyno Charts

12.0 is fine; may not maximize power but is hardly black soot territory. I have run in the 10s before. I'd be more concerned about the cause of those wiggles up top. Any ideas? I'd get a tune and run again, this time from 2000 rpm to 7000 rpm.
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Old Mon, Dec-21-2015, 04:37:22 PM   #413
332ijunkie
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Default Re: Post your e36 M3 Dyno Charts

At/Below 12 causes rich misfires/detonation on NA M/S52s from what ive experienced tuning them. Its prob the cause of the dips...
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Old Mon, Dec-21-2015, 08:14:07 PM   #414
Matt15
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Default Re: Post your e36 M3 Dyno Charts

^thanks for the input. I hit the HP number I was expecting but knew the other stats were anyone's guess. I ordered an RK tune and will be deleting ASC so we'll see how the next run looks
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Old Mon, Dec-21-2015, 09:46:13 PM   #415
pbonsalb
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Default Re: Post your e36 M3 Dyno Charts

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Originally Posted by 332ijunkie View Post
At/Below 12 causes rich misfires/detonation on NA M/S52s from what ive experienced tuning them. Its prob the cause of the dips...
Why do NA M/S52s misfire or detonate if richer than 12 AFR but not forced induction motors? Only thing I can think of is that some forced induction people do run tighter plug gaps and/or colder plugs.
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Old Mon, Dec-21-2015, 09:55:47 PM   #416
332ijunkie
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Default Re: Post your e36 M3 Dyno Charts

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Originally Posted by pbonsalb View Post
Why do NA M/S52s misfire or detonate if richer than 12 AFR but not forced induction motors? Only thing I can think of is that some forced induction people do run tighter plug gaps and/or colder plugs.
Cylinder pressure/density if nothing else.
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Old Fri, Jan-29-2016, 01:32:44 AM   #417
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Default Re: Post your e36 M3 Dyno Charts

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Originally Posted by digger View Post
nice numbers! what are full specs?
Thanks its us m3 3,2 engine or m50b32tü with je pistons and machined cylinder head...

but i have any problems with euro m3 maf on the engine i goes to Porsche MAF and i wait of the new results the car is on the dyno
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Old Wed, Feb-17-2016, 06:37:04 AM   #418
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Default Re: Post your e36 M3 Dyno Charts

Bump! I'm curious about the AFR on the runs...is that normal behavior? It's a stock tune, so probably?

1995 E36 with S54 swap (california legal too!), dynoed on NASA Norcal-benchmark Dynojet, 4th gear, etc etc. Numbers-wise it looks super healthy! Next step is CSL DME flash, Airbox, Headers, tune for CSL airbox + MAP sensor.....once I have time to install the parts on the shelf. Might swing cams too.

Car setup:
  • 70k mile 2005 S54, fresh rod bearings, vanos, harmonic balancer.
  • 5spd trans with JB Racing Flywheel and Clutchmasters clutch (Bimmerworld kit), stock E36 M3 3.15 diff
  • Stock headers to the Bimmerworld S54/E36 exhaust conversion pipe into 3" AA race exhaust
  • That's it. Factory S54 US cats, factory Z3M intake, no tune.

I dynoed the car in bone stock form for a baseline. The dyno operator didn't dyno from low rpm, which is a bit of a bummer.

Per first post rules, here's a ton of data!

All three S54 runs with AFR (goes really rich at high RPM, this normal?) 287/241 whp/wtq.

SAE and AFR vs RPM


SAE and AFR vs RPM, Conditions


Just for grins, overlay of the stock California-compliant S54 swap vs the previous catless full bolt on S50 (no cams, but everything else). S54 is pretty awesome! Makes me glad I did the swap, smells better and is way faster.


Zoomed of same:
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1995 BMW M3/2/5-- S54/Mk60 California Smog Legal (Build Thread)
1998 BMW M3/4/5 -- DD rev1
2017 Chevrolet SS, 6MT, Orange Blast Metallic -- DD rev2
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Old Wed, Feb-17-2016, 02:28:59 PM   #419
332ijunkie
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Default Re: Post your e36 M3 Dyno Charts

Quote:
Originally Posted by Bimmerman325i View Post
Bump! I'm curious about the AFR on the runs...is that normal behavior? It's a stock tune, so probably?

1995 E36 with S54 swap (california legal too!), dynoed on NASA Norcal-benchmark Dynojet, 4th gear, etc etc. Numbers-wise it looks super healthy! Next step is CSL DME flash, Airbox, Headers, tune for CSL airbox + MAP sensor.....once I have time to install the parts on the shelf. Might swing cams too.

Car setup:
  • 70k mile 2005 S54, fresh rod bearings, vanos, harmonic balancer.
  • 5spd trans with JB Racing Flywheel and Clutchmasters clutch (Bimmerworld kit), stock E36 M3 3.15 diff
  • Stock headers to the Bimmerworld S54/E36 exhaust conversion pipe into 3" AA race exhaust
  • That's it. Factory S54 US cats, factory Z3M intake, no tune.

I dynoed the car in bone stock form for a baseline. The dyno operator didn't dyno from low rpm, which is a bit of a bummer.

Per first post rules, here's a ton of data!

All three S54 runs with AFR (goes really rich at high RPM, this normal?) 287/241 whp/wtq.
Could be a number of things, one thing that comes to mind is cat overheating protection/enrichment.
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Old Wed, Feb-17-2016, 04:23:56 PM   #420
pbonsalb
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Default Re: Post your e36 M3 Dyno Charts

TRM recently tuned a pump gas S54 with cams to nearly 400 rwhp and nearly 300 lbs rwtq, SAE on a Dynojet. Very impressive for that motor.
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Discussing Post your e36 M3 Dyno Charts 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)