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S42 Engine...


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9 replies to this topic

#1 Richard

Richard

Posted 10 November 2011 - 08:41 AM

Does anyone have pics of one??? Did they ever bring the cars here??

#2 Harv

Harv
  • LocationCleveland Ohio

Posted 10 November 2011 - 08:53 AM

I think your asking that if BMW ever sold a car here with an S42.

No.

John
Fresh squeezed horseshoes and hand grenades

1665778
Posted Image

#3 Richard

Richard

Posted 10 November 2011 - 09:27 AM

Yes. What you said...

#4 TobyB

TobyB
  • LocationSeattle

Posted 10 November 2011 - 09:37 AM

Try that search over on Bummerforums-
in the E36 section, there's a pretty good description
of how and what the S42 was.

the short version is that it's not a production engine,
it was a one- off for racing (touring cars)
to meet the 2L limit in the 90's.

Apparently rarer than an M12, from what I remember.

I read about it in an old BTCC book, and got excited... for about 15 minutes.

http://forums.bimmer...3&highlight=S42

hth

t
"Believe me, these things don't just fit by themselves."
-Martin

#5 Harv

Harv
  • LocationCleveland Ohio

Posted 10 November 2011 - 02:45 PM

http://www.dtmpower....ngine-pics.html

John
Fresh squeezed horseshoes and hand grenades

1665778
Posted Image

#6 c.d.iesel

c.d.iesel

Posted 11 November 2011 - 11:30 AM

The S42 came in different versions, here is some data on the 8/1995 evolution.
Bore / Stroke: 86,5mm / 85mm
Displacement: 1998ccm
Compression ratio:12.4
Rod length: 145mm
Intake cam degree / spread: 312 / 94
Exhaust cam degree / spread: 304 / 98
Intake valve diameter: 35mm
Exhaust valve diameter: 35mm
Intake dimensions: 52mm wide / 29.7mm height / 14.85mm radius
Slide throttle diameter: 46mm
Carbon airbox
Exhaust manifold: 4-2
Engine management: ecu4a.1

Performance: (DIN 70020)
285hp at 8300rpm
245nm at 7000rpm

max rpm: 8500rpm
Petrol quality: Super plus ROZ 98
Posted Image

S42B20

S42B20 BMW Motorsport EngineA racing version of the M42 Engine, called the S42 is known. It was used in BMW's 320 4-door touring car, participating in the German racing series called STW (Super Tourenwagen Cup). It differed by having individual throttle bodies (ITB) for each cylinder and its capacity was enlarged to 1999 cc. It had eight fuel injectors instead of the standard four. Valve cover and airbox were entirely made of carbon fiber. Lubrication was provided by a dry sump system. Compression ratio was increased and a lightweight head was installed.

Horsepower evolution steps of the S42 Engine:

Year 1995 1996 1997
300 hp 308 hp 315 hp

In the last evolution step the engine puts out an amazing 158 hp/L. Compared to a modern racing engine it was a big achievement.

Posted Image
Posted Image
'76 2002 #2743711"Maus Haus"
'86 R65 650cc #6128390 21k Mi
'64 R27 250cc #383851 17K Mi
'11 FORD Transit #T058971 12K Mi"Truckette"
'13 500 ABARTH #DT600282 963 Miles"TAZIO"

#7 Harv

Harv
  • LocationCleveland Ohio

Posted 11 November 2011 - 06:44 PM

Performance: (DIN 70020)
285hp at 8300rpm
245nm at 7000rpm

Horsepower evolution steps of the S42 Engine:

Year 1995 1996 1997
300 hp 308 hp 315 hp

In the last evolution step the engine puts out an amazing 158 hp/L. Compared to a modern racing engine it was a big achievement.

Posted Image


WOW!!!

John
Fresh squeezed horseshoes and hand grenades

1665778
Posted Image

#8 c.d.iesel

c.d.iesel

Posted 12 November 2011 - 07:45 AM

guess we wont find any of these in our bone yards
Posted Image

and turn up the volume and ride along with screaming
S42 power at bike track ASSEN Holand



this is one F A S T E36 - listen to the ultra close ratio gearbox work
and slice through the field


and watch/listen how it is to drive off with a
light weight race clutch - proves it's not for street use
Posted Image
'76 2002 #2743711"Maus Haus"
'86 R65 650cc #6128390 21k Mi
'64 R27 250cc #383851 17K Mi
'11 FORD Transit #T058971 12K Mi"Truckette"
'13 500 ABARTH #DT600282 963 Miles"TAZIO"

#9 Chamonix72

Chamonix72

Posted 12 November 2011 - 08:32 AM

I played that video and for some reason the neighborhood dogs came to my door. I hope the driver of that thing was wearing good ear protection. Wow. It is a fast car though.

-David

2006 Subaru Legacy GT Spec B
1980 528i
1972 2002 - 2577652 Follow the fun


#10 TobyB

TobyB
  • LocationSeattle

Posted 12 November 2011 - 12:54 PM

holy cats- is that active suspension in there? Those braces are...

fantastic.

Makes you realize what a bunch of pointless car porn
cross braces are if real race development does it that way...

t
"Believe me, these things don't just fit by themselves."
-Martin