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LeMansX5 03-22-2007 09:02 AM

New M3 engine: Pics & info
 
4 litre V8
420 bhp / 8300 rpm
max 8400 rpm
400 Nm at 3900 rpm
comp 12:1
engine weight 202 kg
• First eight-cylinder for the BMW M3 sports car.
• Supreme performance ensured by 309 kW/420 hp from 4.0 litres.
• Maximum torque of 400 Newton meters with 3,900rpm. 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 rpm.
• 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.
• Upgraded MSS60 engine control unit for optimum coordination of all engine functions with the various control systems in the car.

• Ion flow technology recognising and distinguishing engine knocking phenomena as well as misfiring and miscombustion by measurement of ion flow in the combustion chambers.
• Brake Energy regeneration with intelligent alternator control.


Full Press release in PDF format with all the info.

http://www.welt.de/multimedia/archiv...on_187134a.jpg


http://img412.imageshack.us/img412/7...3817hj0.th.jpghttp://img213.imageshack.us/img213/4...6595zf7.th.jpghttp://img213.imageshack.us/img213/1...1095sj4.th.jpghttp://img213.imageshack.us/img213/9...8252kp7.th.jpg
http://img215.imageshack.us/img215/8...9577tq7.th.jpghttp://img215.imageshack.us/img215/4...6349xr9.th.jpghttp://img85.imageshack.us/img85/773...3807yg9.th.jpg

http://img412.imageshack.us/img412/9...7039mn3.th.jpghttp://img412.imageshack.us/img412/2...2384ud0.th.jpghttp://img83.imageshack.us/img83/323...7450bg1.th.jpghttp://img83.imageshack.us/img83/760...3467vs4.th.jpghttp://img83.imageshack.us/img83/631...9476ov8.th.jpg
http://img88.imageshack.us/img88/122...5140fk3.th.jpghttp://img83.imageshack.us/img83/375...0285qb8.th.jpghttp://img88.imageshack.us/img88/908...1801zm7.th.jpghttp://img83.imageshack.us/img83/240...1189gs6.th.jpg

Wagner 03-22-2007 09:10 AM

Hotness...now it finally can compete with the Audi RS-4.

dr.jay 03-22-2007 09:16 AM

Damn thats sexy

LeMansX5 03-22-2007 09:21 AM

Updated with more engine details. BER:thumbup:

X5Jay 03-22-2007 09:44 AM

Awesome! Why do the headers glow red-hot during testing? I don't imagine that happens when driving the car, does it?

vinuneuro 03-22-2007 09:50 AM

Quote:

Originally Posted by WagnerX5
Hotness...now it finally can compete with the Audi RS-4.

You mean destroy the RS4. :thumbup:

Wagner 03-22-2007 10:05 AM

Quote:

Originally Posted by vinuneuro
You mean destroy the RS4. :thumbup:

Just wait for the FI setup on the RS4... :)

I still wish BMW would put some real torque numbers down for these HP numbers. 420hp/420tq...that would be a motor :drool:

TQ2K 03-22-2007 10:11 AM

:wow:

vinuneuro 03-22-2007 10:14 AM

Quote:

Originally Posted by WagnerX5
Just wait for the FI setup on the RS4... :)

I still wish BMW would put some real torque numbers down for these HP numbers. 420hp/420tq...that would be a motor :drool:

The way BMW is making the current M engines, allows them to be more responsive. Geared correctly, the lower torque doesn't matter at all.

LeMansX5 03-22-2007 12:06 PM

Full Press release in PDF format with all the info.

kirkX5m 03-22-2007 12:41 PM

does this mean more torque than the m5/m6?

Kewl X5 03-22-2007 12:55 PM

LeMans,

Thanks for compiling all the info and pics as always!!:thumbup:

KirkX5M, the 400 NM torque converts to 295 lb/ft of torque. So the torque is similar to the 335i, but about 90 lb/ft shy of the M5/M6 V10 engine....Remember, the M3 engine has 2 cylinder and about 1 liter less than the M5 V10 engine.



Quote:

Originally Posted by kirkX5m
does this mean more torque than the m5/m6?


kirkX5m 03-22-2007 01:21 PM

my bad i read it too quick didnt see it was in NM . dang. hopefully that is not an issue!

Kewl X5 03-22-2007 02:25 PM

Don't worry, if they keep the car light, it definitely should be faster than the RS4...Look at page 24 of the PDF file and you'll see the nice torque curve that only a naturally aspriated V8 could deliver vs. our S54 I-6!! :)

kirkX5m 03-22-2007 02:34 PM

i was banking on weight saving materials that would make this thing fly!!!! ill look at the pft file on my lunch!

x5GuyInLA 03-22-2007 02:54 PM

nice........is this a regular V8 or does it have a twin turbo? just reading so much about new cars/engines coming out...trying to keep my facts straight?

DINANM3 03-22-2007 03:09 PM

Quote:

Originally Posted by x5GuyInLA
nice........is this a regular V8 or does it have a twin turbo? just reading so much about new cars/engines coming out...trying to keep my facts straight?

No turbos

DINANM3 03-22-2007 03:09 PM

That hp curve looks like the side of a sky scaper. Wow thats alot of hp

x5GuyInLA 03-22-2007 03:14 PM

Quote:

Originally Posted by DINANM3
No turbos

thanks :)

rickp 03-22-2007 03:34 PM

Drop that engine in the E70 X5 and I'll be good to go :-)

Sedoy 03-22-2007 04:18 PM

Quote:

Originally Posted by rickp
Drop that engine in the E70 X5 and I'll be good to go :-)

I don't think that will happen, maybe for X6...

kirkX5m 03-22-2007 04:53 PM

100+hp over the old engine
33lbs LIGHTER than the old engine
engine blocks made at landshut, bmw's f1 foundry

OMG

audi CHECKMATE (and honestly i think the c63 will be a bloated farce)
and lets bow to the BMW gods!!!!!!!!!!!!

trueX5er 03-22-2007 04:54 PM

hottttt!!! This'll sure be a rocket!

LeMansX5 03-22-2007 07:04 PM

Quote:

Originally Posted by Sedoy
I don't think that will happen, maybe for X6...

X6 will get the bi-turbo V8 for regular and next gen V10 for X6 M.

AzNMpower32 03-22-2007 07:23 PM

I wished the //M and V8 weren't so close to each other. Maybe the //M badge above the V8. Or just ditch the V8 badge.

I wanna hear how it sounds!!!

Wagner 03-22-2007 08:26 PM

Quote:

Originally Posted by AzNMpower32
I wished the //M and V8 weren't so close to each other. Maybe the //M badge above the V8. Or just ditch the V8 badge.

I wanna hear how it sounds!!!

:iagree: engine still looks hot but the "cover" is dumb.

vinuneuro 03-22-2007 08:45 PM

Check out the DSG clutches, very very cool!
http://img83.imageshack.us/my.php?image=14369476ov8.jpg

AzNMpower32 03-22-2007 09:34 PM

Sorry if I sound old fashioned, but I'll still take a 3-pedal. This time BMW didnt screw around with the 6MT and DSC like they did with the M5.

SANguru 03-23-2007 03:02 AM

it does... pretty typical.

Quote:

Originally Posted by X5Jay
Awesome! Why do the headers glow red-hot during testing? I don't imagine that happens when driving the car, does it?


SANguru 03-23-2007 03:05 AM

the problem is it doesn't make any significant torque until 6100 rpm. peaky engine once again.. It's not similar to the 335i.. the twin turbo motor makes ~300lbs of torque at a little under 2000rpm which is pretty much off idle so it will have really good power up top again but you gotta wring it to get any power on the street.. great for track but that's about it...

Quote:

Originally Posted by Kewl X5
LeMans,

Thanks for compiling all the info and pics as always!!:thumbup:

KirkX5M, the 400 NM torque converts to 295 lb/ft of torque. So the torque is similar to the 335i, but about 90 lb/ft shy of the M5/M6 V10 engine....Remember, the M3 engine has 2 cylinder and about 1 liter less than the M5 V10 engine.


vinuneuro 03-23-2007 10:30 AM

Quote:

Originally Posted by X5Jay
Awesome! Why do the headers glow red-hot during testing? I don't imagine that happens when driving the car, does it?

They're testing under full-load for extended periods of time, plus these manifolds are much thinner than normal. While this wouldn't happen on the street, I'm sure it'll be this way on the track. If you really want to see something cool, you gotta see a heavy duty diesel engine during full-load breakability tests...imagine the compressor housing so hot that you can see the wheel spinning inside.

LeMansX5 03-23-2007 10:40 AM

Quote:

Originally Posted by SANguru
the problem is it doesn't make any significant torque until 6100 rpm. peaky engine once again...

M3 V8
280nm@1800 rpm
340nm@2000 rpm
380nm@3000 rpm
400nm@4000 rpm
400nm@6000 rpm
390nm@7000 rpm
370nm@8000 rpm
350nm@8400 rpm

M5 V10
390nm@2000 rpm
430nm@3000 rpm
460nm@4000 rpm
520nm@6000 rpm
440nm@8000 rpm
420nm@8250 rpm

SANguru 03-23-2007 12:26 PM

the 400NM @ 4000rpm is wrong Sunil. They wouldn't be quoting 400nm at 6100rpm then.

Quote:

Originally Posted by LeMansX5
M3 V8
280nm@1800 rpm
340nm@2000 rpm
380nm@3000 rpm
400nm@4000 rpm
400nm@6000 rpm
390nm@7000 rpm
370nm@8000 rpm
350nm@8400 rpm

M5 V10
390nm@2000 rpm
430nm@3000 rpm
460nm@4000 rpm
520nm@6000 rpm
440nm@8000 rpm
420nm@8250 rpm


LeMansX5 03-23-2007 12:31 PM

Quote:

Originally Posted by SANguru
the 400NM @ 4000rpm is wrong Sunil. They wouldn't be quoting 400nm at 6100rpm then.

:dunno: I got it from here, page 24 of press release PDF.
http://img71.imageshack.us/img71/7066/engl2fk0.jpg

Sedoy 03-23-2007 12:33 PM

Quote:

Originally Posted by LeMansX5
X6 will get the bi-turbo V8 for regular and next gen V10 for X6 M.

BMW bi-turbo technology is amaging, I'm sure we will be able to tune it as with 335i case. Any details on the engine specs? HP? TQ?

SANguru 03-23-2007 06:26 PM

haha.. that's bogus.. what happened to hp = torque at 5252rpm?

remember, hp = torque * RPM / 5252 and 5252 is the constant.

Quote:

Originally Posted by LeMansX5
:dunno: I got it from here, page 24 of press release PDF.
http://img71.imageshack.us/img71/7066/engl2fk0.jpg


JCL 03-23-2007 07:42 PM

Quote:

Originally Posted by SANguru
haha.. that's bogus.. what happened to hp = torque at 5252rpm?

remember, hp = torque * RPM / 5252 and 5252 is the constant.

The only error on the graph seems to be that hp is mislabelled. The first scale on the right is hp, the second is kw.

HP does equal torque at 5252, but only if both are in British/US units. Torque is listed in Nm here.

All that aside, that is an amazing torque curve, and suggests that this engine is going to be very responsive in the mid-range as well. Not as good on torque as the 335 under 2000 rpm, but impressive for an NA engine.

SANguru 03-23-2007 11:11 PM

good catch jeff.. but why would BMW mention they reach peak torque at 6100rpm when at 4000 they are making the same?

Quote:

Originally Posted by JCL
The only error on the graph seems to be that hp is mislabelled. The first scale on the right is hp, the second is kw.

HP does equal torque at 5252, but only if both are in British/US units. Torque is listed in Nm here.

All that aside, that is an amazing torque curve, and suggests that this engine is going to be very responsive in the mid-range as well. Not as good on torque as the 335 under 2000 rpm, but impressive for an NA engine.


vinuneuro 03-23-2007 11:30 PM

Quote:

Originally Posted by SANguru
good catch jeff.. but why would BMW mention they reach peak torque at 6100rpm when at 4000 they are making the same?

Look at the scale of the graph, it's to close to 'tell' just by looking at it. While the tq might very close at 4k, peak might technically really be at 6k.

SANguru 03-23-2007 11:47 PM

Quote:

Originally Posted by vinuneuro
Look at the scale of the graph, it's to close to 'tell' just by looking at it. While the tq might very close at 4k, peak might technically really be at 6k.

btw.. interesting about the dip right after 4000 and then back up at 6000... what's up with the tuning in that range.. :confused:

vinuneuro 03-24-2007 12:12 AM

Quote:

Originally Posted by SANguru
btw.. interesting about the dip right after 4000 and then back up at 6000... what's up with the tuning in that range.. :confused:

it's like a 2-3hp dip...stop crying

SANguru 03-24-2007 12:20 AM

halfassed shit... kinda like the honduh F1 team.. NEXT!

Quote:

Originally Posted by vinuneuro
it's like a 2-3hp dip...stop crying


vinuneuro 03-24-2007 12:25 AM

Quote:

Originally Posted by SANguru
halfassed shit... kinda like the honduh F1 team.. NEXT!

that's a pretty shitty comeback..work on it and get back to us ;)

JCL 03-24-2007 12:28 AM

First post in this thread lists peak torque at 3900 rpm. Maybe it's a moving target? (sort of like figuring out which car Josh will be driving next week?)

No F1 bashing allowed. We want to see if Ferrari can get two cars on the podium and catch up to McLaren in the constructor's championship....

vinuneuro 03-24-2007 12:33 AM

Quote:

Originally Posted by JCL
First post in this thread lists peak torque at 3900 rpm. Maybe it's a moving target? (sort of like figuring out which car Josh will be driving next week?)

No F1 bashing allowed. We want to see if Ferrari can get two cars on the podium and catch up to McLaren in the constructor's championship....

Jeff, there are the numbers BMW publicized, and then everyone guesstimating by 'looking' at the graph. That's probably why there 10e1000 different figures floating around in here.

Ferrari will get there only if Massa doesn't have any cars in front of him :nanana:

McLaren all the way!

SANguru 03-24-2007 01:10 AM

Shitty cuz it's true??? If you truly advertise a flat torque curve, it better be flat. time to go back skool grassshopper!

Quote:

Originally Posted by vinuneuro
that's a pretty shitty comeback..work on it and get back to us ;)


SANguru 03-24-2007 01:12 AM

dude.. how much variance can it be.. the graph is in a grid of 10.. oh wait.. now you're switching camps cuz honduh sucks??? dude.. :confused: :nanana:

Quote:

Originally Posted by vinuneuro
Jeff, there are the numbers BMW publicized, and then everyone guesstimating by 'looking' at the graph. That's probably why there 10e1000 different figures floating around in here.

Ferrari will get there only if Massa doesn't have any cars in front of him :nanana:

McLaren all the way!


vinuneuro 03-24-2007 01:42 AM

Quote:

Originally Posted by SANguru
Shitty cuz it's true??? If you truly advertise a flat torque curve, it better be flat. time to go back skool grassshopper!

dude it's flat...quit arguing for the sake of it

vinuneuro 03-24-2007 01:49 AM

Quote:

Originally Posted by SANguru
dude.. how much variance can it be.. the graph is in a grid of 10.. oh wait.. now you're switching camps cuz honduh sucks??? dude.. :confused: :nanana:

no switchin..im still a honda guy, but im not gonna back up shitty performance. i still want them to win, but it's time to also root for a team that has a chance.. that's jb in my sig, not me ;)

plus..you were the one raving about the e60 M5 for a few months, and subsequently slamming anything ///M after getting rid of it :nanana:

Kewl X5 03-24-2007 01:50 AM

Josh, please just give it a break!:rolleyes: We understand that everyone has a point of view. In person, you are definitely a much different person than on the 'net.;)

SANguru 03-24-2007 08:37 PM

just calling like it is. BMW rushs too many things to the market and this will be yet another motor that they did.

Quote:

Originally Posted by Kewl X5
Josh, please just give it a break!:rolleyes: We understand that everyone has a point of view. In person, you are definitely a much different person than on the 'net.;)



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