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Old 03-16-2004, 01:42 AM   #1
AMG_POWER
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Red face Short M5 article from AutoCar.

I like!


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Old 03-16-2004, 01:48 AM   #2
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the only bad news is the torque
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Old 03-16-2004, 01:56 AM   #3
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Originally posted by SickFinga
the only bad news is the torque
Yeah but i think that 8500 rpms will help it....plus if all the torque will build up around 3000 rpms and hold until 8500 that would be awesome....still i wanna see some numbers.

I wonder how bad e55 will loose to the new m5....or other way around....if it's true that M5 will be under 13 sec 0-200km/h then e55 will be owned i belive E55 time 0-200 is somwhere in 15 and a half seconds....too lazy to search.

But i think m5 looks very agressive and it's not thaaaaaat bad.
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Old 03-16-2004, 02:01 AM   #4
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So it's still a rice engine?

No offense to BMW or anything, but why on EARTH does it have so little torque?

I don't mean to bash technology, but I'd put my money on the individual throttles for each cylinder.

The fact that it breathes TOO well kills torque. Notice American motors produce more torque than HP?

At 5l in a V10 I'd expect closer to 500ft-lbs of torque if it makes 500hp.
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Old 03-16-2004, 02:09 AM   #5
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either u stole this from E46toronto, or someone from over there stole it from here
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Old 03-16-2004, 02:10 AM   #6
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Quote:
Originally posted by MorningCruiser
So it's still a rice engine?

No offense to BMW or anything, but why on EARTH does it have so little torque?

I don't mean to bash technology, but I'd put my money on the individual throttles for each cylinder.

The fact that it breathes TOO well kills torque. Notice American motors produce more torque than HP?

At 5l in a V10 I'd expect closer to 500ft-lbs of torque if it makes 500hp.
Shit dude your are one spoiled mother ****er OLD m5 was Very fast with 368 tq and 400 hp, and now it has 100 more HP with less wight....8500 rpms + smgIII it's gonna be even faster...
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Old 03-16-2004, 02:12 AM   #7
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either u stole this from E46toronto, or someone from over there stole it from here
I "borrowed" it from BMWm5 forum!
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Old 03-16-2004, 02:35 AM   #8
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If it makes 368lb-ft at anything below 3000RPM then it's a real motor.

I'm not spoiled, I just think that it should be considerably more powerful in the torque market.
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Old 03-16-2004, 02:41 AM   #9
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Not feeling the styling, but the performance of that car's gonna give me a hard-on.....

Torque's enough to pull the car hard. HP's high, so the M5 will be able to hold lower gears for longer. Just will require the car to be in the right gear when coming out of a turn, which will be a cinch with the SMG....

I wouldn't be surprised if it stayed with a CSL M3, even though it will likely weigh over 700 lbs more!
Let's see the E55 can stay with a CSL M3....

This car's not going to be a quarter mile monster. There are plenty of domestics for that.
But what it will do exceptionally well for a car of it's class, will be in swallowing up race tracks with the best the world has to offer, which is what BMW's are made for. I will go as far as to say that it will be the fastest timed 4 door saloon car laping the Nurburgring!

If I read the post right, the M5's gonna cost just over 140G's though. Damn, just a little to rich for my tastes....
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Old 03-16-2004, 02:45 AM   #10
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I only wonder one thing. They keep talking about how they're borrowing from F1. They made a 5L V10 that spins 8500 rpm... um, do they also intend to give the owners a new engine every weekend like they do in F1?

MorningCruiser: Oh you would? Can you show me a street 5L anything that's naturally aspirated, gasoline powered, with 500 ft lbs of torque? (I'm just covering my ass but I'd be damn surprised if you found something that wasn't even a street engine)

If you want big torque get a diesel truck and do it up. You can do burnouts all day. You won't beat many people at the track or in the 1/4, but you'll smoke everyone in the first 10 feet.

BMW's are not muscle cars. In that, we are definitely closer to rice than we are to the rednecks.
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Old 03-16-2004, 02:50 AM   #11
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Well, they confidently say that 0-120 will be under 13s. Sounds like a 4 door limo that's fast enough to keep up with/beat your Z06 - monster enough for me! And it won't require skill/luck in the shifting - those are guaranteed to be perfect and lightning fast.

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This car's not going to be a quarter mile monster.
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Old 03-16-2004, 02:50 AM   #12
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BMW is known for making powerful yet high strung engines are they not? It's not like 368ft-lbs is little torque. They're a healthy median between a Honda (HP>TQ) and a Ford (TQ>HP) when it comes to power and torque.

How many 5L motors come from the factory with more torque?

And the indepandant throttles make a world of a difference. Sure they kill a little torque, but the throttle response is huge. There is barely a delay between stepping on the gas and the engine revving. I kind of wish they had managed to make this engine work with the throttleless Valvetronic system. Appearently the throttle response of that is supposed to be crazy. I guess they wanted to keep some mechanicals in the engine to up the reliability.

Also, 8500rpm is nuts for a street motor of that size, it must be a super smooth running engine.
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Old 03-16-2004, 03:17 AM   #13
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Quote:
Originally posted by BigD
I only wonder one thing. They keep talking about how they're borrowing from F1. They made a 5L V10 that spins 8500 rpm... um, do they also intend to give the owners a new engine every weekend like they do in F1?
They are borrowing some of the tech, not duplicating it.

The only thing that concerns me is that engine, with such a high rev capability, will likely be a cast iron block, much like the S54.
A cast iron V8's going to add some extra heft.
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Old 03-16-2004, 03:29 AM   #14
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Quote:
Originally posted by tlaselva
They are borrowing some of the tech, not duplicating it.
Well um, yeah. Point is it's a 5L V10 spinning 8500 rpm. Unless they made some crazy advances in metallurgy, that's not far off the 3.5L V10's spinning 12000 rpm in F1 cars in the mid 90s (ok now they're 19000 but they're 3.5L afterall, not 5). How long do they expect these engines to last?

Quote:
The only thing that concerns me is that engine, with such a high rev capability, will likely be a cast iron block, much like the S54.
A cast iron V8's going to add some extra heft.
Yeah, my M5 is an iron block too. Hopefully they made the move to a V10 so they could have lower displacement per cylinder so they could go to aluminum and still rev that high. Regardless of the looks (which I really don't mind), I'd buy one if I could just for the drivetrain. Hell, I don't have to look at it while I drive.
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Old 03-16-2004, 03:45 AM   #15
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Quote:
Originally posted by BigD
Well um, yeah. Point is it's a 5L V10 spinning 8500 rpm. Unless they made some crazy advances in metallurgy, that's not far off the 3.5L V10's spinning 12000 rpm in F1 cars in the mid 90s (ok now they're 19000 but they're 3.5L afterall, not 5). How long do they expect these engines to last?
It's all about piston speed.
If I remember correctly, the S54 at readline is at about 91 mps.
The M5's V10, obviously makes more displacement because of more cylinders. The speed of the pistons I'd suspect is only about 4% more (Diff between 8000rpm to 8500rpm).
Also, the V10 allow's the pistons to be noticibly smaller, allowing for higher rev tollerances, in a 5L sized engine.
Come to think of it, the ratio's very close from the displacement/cylinder number, between the S54 and the V10.
May even be that the V10's just a 10 cylinder version of the S54.....
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