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      03-22-2007, 01:49 AM   #1
swamp2
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POTENTIAL Leaked engine specs

OK guys, I was hesitant to post this because I could not verify it myself. Seems a bit fishy. However, I have seen the same data posted here, GCZ and elsewhere. However no sign of it at the Road and Track website. It is also hard to believe that this was pulled from an off the shelf magazine and someone does not already have it scanned and posted. Anyway the post here claims that R&T claims the info is straight from BMW. OP makes some very nice analysis vs. RS4, 335i, E46 M3 and E60 M5 power plants as well.

420 bhp @ 8300 rpm
295 ft*lb (400 Nm) @ 3900 rpm
compression ratio: 12:1
redline: 8400 rpm
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      03-22-2007, 02:20 AM   #2
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Some more info start showing up on the web...

Source:
http://www.motorauthority.com/cars/b...ne-for-the-m3/
http://autotelegraaf.nl/vanonzeredactie/?id=43307

M3 V8
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      03-22-2007, 02:27 AM   #3
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I also read the engine is going to develop 340 Nm at 2000 rpm thanks to the Double Vanos.
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      03-22-2007, 02:41 AM   #4
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8,400RPM redline makes me happy.
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      03-22-2007, 02:42 AM   #5
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Me in love.
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      03-22-2007, 02:52 AM   #6
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A german website says redline is at 8.300! Should be a mistake of them!?

Best regards, south
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      03-22-2007, 03:58 AM   #7
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Picture of the engine:


Some details in german:
http://www.welt.de/motor/article7642..._neuen_M3.html

As I said that webpage claims a redline of 8.300

Best regards, south
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      03-22-2007, 04:05 AM   #8
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M3 pressrelese

•Erster Achtzylinder-Motor für den Sportwagen BMW M3.
•Enormes Leistungspotenzial mit 309 kW/420 PS aus 4,0 Litern Hubraum.
•Maximales Drehmoment von 400 Newtonmetern bei 3 900/min-1.
85 Prozent des maximalen Drehmoments über eine Drehzahlbreite von 6 500 min-1 abrufbar.
•Einzigartige Schubkraft durch konsequente Umsetzung des M Hochdrehzahlkonzepts, maximale Motordrehzahl: 8 300 min-1.
•Konsequenter Leichtbau bei Motor und Nebenaggregaten, neuer V8-Motor gehört zu den leichtesten Achtzylindern der Welt, Gewicht geringer als beim Reihensechszylinder-Motor des Vorgängermodells.
•Variable Nockenwellensteuerung, Niederdruck-Doppel-VANOS für optimalen Ladungswechsel, volle Leistungsfähigkeit des Systems schon bei normalem Motoröldruck.
•Acht Einzeldrosselklappen für spontanes Ansprechverhalten des Motors.
•Sichere Ölversorgung bis zu 1,4 g Längs- und Querbeschleunigung durch zwei Ölpumpen und dynamikoptimierte Nasssumpf-Ölschmierung.
•Abgasanlage optimiert Ladungswechsel, gewichts- und funktionsoptimiert durch Innenhochdruck-Umformverfahren, Abgasemissionen erfüllen EU4-und LEV 2-Normen.
•Verbessertes Motorsteuergerät MSS60 koordiniert optimal alle Motorfunktionen mit den verschiedenen Fahrzeugsteuergeräten.
•Ionenstromtechnologie erkennt beziehungsweise unterscheidet Motorklopfen sowie Zünd- und Verbrennungsaussetzer durch Ionenstrommessung im Verbrennungsraum.
•Brake Energy Regeneration mit intelligenter Generatorregelung.
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      03-22-2007, 04:30 AM   #9
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Quote:
Originally Posted by m3racer View Post
wow nice looing motor, same HP as RS4, Less Nm shame looks like they will have to give away a free moon with it
You forget the significant more weight of the RS4...
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      03-22-2007, 04:52 AM   #10
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the engine



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      03-22-2007, 05:17 AM   #11
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Quote:
Originally Posted by Just_me View Post
the engine

those are some awesome pics!
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      03-22-2007, 05:33 AM   #12
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Nice pics and a good looking powerplant. I wonder why it doesn't have the same plenum as the M5/M6 minus two cylinders of course. I'm talking about the dual inlets and plenum chambers, one for each bank of cylinders. Exhaust looks nice.
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      03-22-2007, 06:02 AM   #13
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Ultra Large Quality Images












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      03-22-2007, 06:09 AM   #14
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BTW it's called the S65 (S65B40 to be exact).
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      03-22-2007, 06:10 AM   #15
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Quote:
Originally Posted by m3racer View Post
wow nice looing motor, same HP as RS4, Less Nm shame looks like they will have to give away a free moon with it
what a shame, I found 360nm not that good on my E46 so 400 wont be much better? I hope and pray that BMW has not made us wait in vain. I have massive respect for anything M and have waited a very along time for this car. In the time I have waited I have turned down a RS4 and a Carrera S. Please BMW don’t leave us with egg on our faces. BMW could build a sowing machine and put an M badge on it and it will outsell any RS.
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      03-22-2007, 06:19 AM   #16
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give us more M POWER

BMW is out to prove a point smaller engine, less power yet faster car! Why not give us more power and much faster car! I am angry with only 420ps and 400nm . I am happy with the high rev limit .
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      03-22-2007, 06:32 AM   #17
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Quote:
Originally Posted by 888 View Post
BMW is out to prove a point smaller engine, less power yet faster car! Why not give us more power and much faster car! I am angry with only 420ps and 400nm . I am happy with the high rev limit .
I would not say I am angry about the specs, but I am somewhat disappointed. I wish M had enlarged the bore or stroke to get over 4.0 liters, and thus more power and torque. I suspect the CSL will be at 4.2. The standard car could still be stellar if the weight is in check.

The weight of the motor itself is pretty low, all things considered.

I don't see the cf airbox some people speculated about based on the sound of the concept car motor. . .
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      03-22-2007, 06:49 AM   #18
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Hi new to the forum but LONG time reader, have had the daddy m3 e36 evo 4 door, have placed my deposit (£3K) for 4 door m3 #1! the figures stated would you say they are conservative if so do audi and the rest of the comp not do the same?, i was hoping for 430BHP but definitaly wantd more torque than the RS4 , but wouldnt the m3 be puuting much more of it to the road wheels as there is no four wheel drive, so theoretically lighter car lower centre of grav more torq to the wheels surely equals faster 0-60?? also looking at the cool pics posted of the engine it seems the water pump is not going to be electric? and also like the previous post i was hoping for the individual chambers coz that always look hot but may be its due to space saving reasons? newayz the mac is back BEEMAS RULE PS in the UK we have a show called top gear on there they implied that its not really so much of being conservative with the power figures its to do with making sure that where ever the vehicle gets shipped irrespective of altitude and quality of fuel they want it to atleast have the power that they state so it does not become embarissing, may be that is another reason figures are slightly higher in europe we generally have 95 ron as standard and 98 ron as super unleaded? thanks for hearing me out!!
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      03-22-2007, 07:04 AM   #19
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Quote:
Originally Posted by Just_me View Post
M3 pressrelese

•Erster Achtzylinder-Motor für den Sportwagen BMW M3.
•Enormes Leistungspotenzial mit 309 kW/420 PS aus 4,0 Litern Hubraum.
•Maximales Drehmoment von 400 Newtonmetern bei 3 900/min-1.
85 Prozent des maximalen Drehmoments über eine Drehzahlbreite von 6 500 min-1 abrufbar.
•Einzigartige Schubkraft durch konsequente Umsetzung des M Hochdrehzahlkonzepts, maximale Motordrehzahl: 8 300 min-1.
•Konsequenter Leichtbau bei Motor und Nebenaggregaten, neuer V8-Motor gehört zu den leichtesten Achtzylindern der Welt, Gewicht geringer als beim Reihensechszylinder-Motor des Vorgängermodells.
•Variable Nockenwellensteuerung, Niederdruck-Doppel-VANOS für optimalen Ladungswechsel, volle Leistungsfähigkeit des Systems schon bei normalem Motoröldruck.
•Acht Einzeldrosselklappen für spontanes Ansprechverhalten des Motors.
•Sichere Ölversorgung bis zu 1,4 g Längs- und Querbeschleunigung durch zwei Ölpumpen und dynamikoptimierte Nasssumpf-Ölschmierung.
•Abgasanlage optimiert Ladungswechsel, gewichts- und funktionsoptimiert durch Innenhochdruck-Umformverfahren, Abgasemissionen erfüllen EU4-und LEV 2-Normen.
•Verbessertes Motorsteuergerät MSS60 koordiniert optimal alle Motorfunktionen mit den verschiedenen Fahrzeugsteuergeräten.
•Ionenstromtechnologie erkennt beziehungsweise unterscheidet Motorklopfen sowie Zünd- und Verbrennungsaussetzer durch Ionenstrommessung im Verbrennungsraum.
•Brake Energy Regeneration mit intelligenter Generatorregelung.
Hey Just_Me!!!

Google translated:
  • First eight cylinder engine for the sports car BMW M3.
  • Enormous Leistungspotenzial with 309 kW/420 HP from 4,0 litres capacity. Maximum torque of 400 Newtonmeters with 3 900/min-1.
  • 85 per cent of the maximum torque over number of revolutions width of 6,500 min-1 callably.
  • Singular thrust by consistent conversion of the M of high speed concept, maximum engine speed: 8,300 min-1.
  • Consistent lightweight construction with engine and Nebenaggregaten, new V8-Motor belongs to the lightest eight-cylinders of the world, weight smaller than with the row six cylinder number of the predecessor model.
  • Variable cam shaft control, low pressure double VANOS for optimal gas exchange, full efficiency of the system already with normal engine oil pressure.
  • Eight single butterfly valves for spontaneous responsing mode of the engine.
  • Secure oiling system up to 1,4 g along and transverse acceleration by two oil pumps and dynamic-optimized wet sump oil lubrication.
  • Exhaust system optimizes gas exchanges, weight and function-optimizes by interior high pressure reforming procedure, waste gas emissions fulfills EU4-und LEV 2-Normen.
  • Improved engine expensive equipment MSS60 coordinates optimally all engine functions with the different vehicle tax devices.
  • Ion current technology recognizes and/or differentiates engine knocking as well as igniting and burn misfire by ion current measurement with respect to the combustion chamber.
  • Brake Energy regeneration with intelligent generator regulation.
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      03-22-2007, 07:10 AM   #20
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Guys 420PS = 414hp
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      03-22-2007, 07:11 AM   #21
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engine of the year

Will the new engine be voted best in class 6 years in a row like its predecessor? I bet not! (But hope it is)
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      03-22-2007, 07:40 AM   #22
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Quote:
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Guys 420PS = 414hp
its 414 bhp in US but in Europe its 420hp
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