W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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How much faster is M5 than E55?

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Old 05-11-2011, 05:46 PM
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MB CLS AMG 55
@lawguy - you sure it is any bigger?
Old 05-11-2011, 05:50 PM
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2006 E55, 2006 saab 93 aero, 2010 glk 4m
Originally Posted by StabMe
Well, the cooling system is freshly bled. I was having problems with the S/C shutting off and it then turned out that guys at the workshop didn't refill the system properly. They bled it and it should be fine now.

I was just looking for common reasons of the powerloss on 55 engine besides problems with cooling and IATs.
That's all I can think of so maybe someone else might chime in for ya, good luck
Old 05-11-2011, 06:39 PM
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Formerly: 2007 e63; 2012 GL450
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Old 05-11-2011, 07:12 PM
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CLK63 Black Series
Originally Posted by hotrod182
It would be hard for a M5 to keep up with the E55 or E63 on paper. Compared to the E55, the M5 has a smaller engine and no forced induction. Compared to a E63, its has a substantially smaller engine. It would be pretty amazing if the M5 could keep up at all like some people claim.
From a higher roll speed like on a FWY, the V10 can easily hang with a 63. Not claiming it, but knowing, since I own an M6 and a CLK63 BS
Old 05-11-2011, 07:13 PM
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
Originally Posted by StabMe
Well, the cooling system is freshly bled. I was having problems with the S/C shutting off and it then turned out that guys at the workshop didn't refill the system properly. They bled it and it should be fine now.

I was just looking for common reasons of the powerloss on 55 engine besides problems with cooling and IATs.
if they didn't refill the i/c system properly then there's a strong possibility you cavitated your pump and it may be ruined. i would data log your iat's right away....
Old 05-11-2011, 07:24 PM
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2007 E500 Designo Brabus B8 / 1991 500E (Sold)
Originally Posted by Zod
if nothing is wrong with your car then these are the most likely results for stock cars
  • from a dig (full stop) if you get good traction you win
  • from mid/ high speed rolls they will start to pull on you
Hi Zod,

With all the talk of Heat soak on these 55K motor, How well can you run against other cars in the Summer? I remember seeing a VID of an E55 Vs E90 M3, and it was equal !! I think it was last summer in Chabd, mesayar 50.

I am preparing my Brabus B8. Power is not as much as a 55K, but its a Cool Normal rev engine. Maybe we try Gias next summer
Old 05-11-2011, 07:31 PM
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Mercedes S55 AMG
It is funny how often the M5 and E55 are compared to each other. I think to anyone who has driven both, they will agree that these are vastly different cars and feel very differently. The only thing in common that they have is perhaps their price point, size, and other minor things.

First, the engines are completely different. The M5 has a V10 which is very clunky in city driving slowly, and then opens up nicely when you rev it up. The transmission is also much different and more driver involved. The E55, is a much more comfortable around town ride, with a huge difference of torque that makes it feel entirely different.

The M5 is far more of a sports car, and the E55 a luxury car that goes more towards a muscle car feel. I really don't think they are that similar at all. In a straight line it may not be a huge difference, but they have very different characteristics everywhere else. (Like on a track, etc)

It is really personal preference. I think it is much more comfortable to have an E55 as a daily driver, and enjoy the torque. But perhaps the M5 is surely a better track car and a fun weekend car, you have more control over it and the chassis is very well tuned. To compensate, it is a bit more uncomfortable and clunky at certain times like in the city.

Last edited by rondocap; 05-11-2011 at 07:32 PM. Reason: a
Old 05-11-2011, 10:47 PM
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11'GTR,08 Jeep 426 SRT 8,06 E55
Originally Posted by rondocap
It is funny how often the M5 and E55 are compared to each other. I think to anyone who has driven both, they will agree that these are vastly different cars and feel very differently. The only thing in common that they have is perhaps their price point, size, and other minor things.

First, the engines are completely different. The M5 has a V10 which is very clunky in city driving slowly, and then opens up nicely when you rev it up. The transmission is also much different and more driver involved. The E55, is a much more comfortable around town ride, with a huge difference of torque that makes it feel entirely different.

The M5 is far more of a sports car, and the E55 a luxury car that goes more towards a muscle car feel. I really don't think they are that similar at all. In a straight line it may not be a huge difference, but they have very different characteristics everywhere else. (Like on a track, etc)

It is really personal preference. I think it is much more comfortable to have an E55 as a daily driver, and enjoy the torque. But perhaps the M5 is surely a better track car and a fun weekend car, you have more control over it and the chassis is very well tuned. To compensate, it is a bit more uncomfortable and clunky at certain times like in the city.

Well said. You really need to drive both and decide what is best for you. I have an E55 now
Old 05-11-2011, 11:54 PM
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2006 E55, 2012 Bentley Continental Supersports Convertible, 2014 Kia Sorento SXL AWD
My Aventador is faster than your M5!
Old 05-12-2011, 12:40 AM
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2005 E55 AMG
E55 = two 5's

M5 = one 5

Two is greater than One.

Considering I am never wrong then the only logical solution is that I am right.

My logic is flawless.

All further arguments are invalid.

Last edited by Hyperlite; 05-12-2011 at 07:57 PM.
Old 05-12-2011, 03:10 AM
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CLS55 2006, CLS 63S 2015
Originally Posted by 195910
Hi Zod,

With all the talk of Heat soak on these 55K motor, How well can you run against other cars in the Summer? I remember seeing a VID of an E55 Vs E90 M3, and it was equal !! I think it was last summer in Chabd, mesayar 50.

I am preparing my Brabus B8. Power is not as much as a 55K, but its a Cool Normal rev engine. Maybe we try Gias next summer
Upgrade to the latest pump from the wokalah and bleed the system and your fine with heat soak, unless you are really pushing it in the summer heat...but who does . All cars lose power in the summer, its just our way of life

E55 should pull the m3 especially from those speeds, but i guess he either had traction issues or something else...


I would not bother moding an E500, in the end of the day the amount you spend$$$ is not worth it, compared to the power you gain. Brabus is nice but very expensive for what they give you. Unless you are happy with the 500 then up to you , bes n9y7a laymah itblish modding maa raa7 tishba3
so start with a better platform.

Just get a 55k and you have the full package (engine, brakes,looks, electroincs, gearbox etc)
Old 05-12-2011, 07:46 AM
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2007 E500 Designo Brabus B8 / 1991 500E (Sold)
Originally Posted by Zod
Upgrade to the latest pump from the wokalah and bleed the system and your fine with heat soak, unless you are really pushing it in the summer heat...but who does . All cars lose power in the summer, its just our way of life

E55 should pull the m3 especially from those speeds, but i guess he either had traction issues or something else...


I would not bother moding an E500, in the end of the day the amount you spend$$$ is not worth it, compared to the power you gain. Brabus is nice but very expensive for what they give you. Unless you are happy with the 500 then up to you , bes n9y7a laymah itblish modding maa raa7 tishba3
so start with a better platform.

Just get a 55k and you have the full package (engine, brakes,looks, electroincs, gearbox etc)
You're right about the amount of power I can get from modding an E500 (US E550). At most its going to be ~ 480 PS with sport cams and headers. I am aiming at about 440-450 PS without cams and headers (Comfort Daily driver).

I only have one car (Daily Driver), so I can't go too Extreme. I need easy repair and parts available all the time.

I did have a chance to buy an "2007" E55 AMG with only about 2000km (AMG show car), would have been nice

I had a lot of concerns with Summer Heat in my 500E (Now sold) for quite a few years (till I had the cooling systems fully modified). So I didn't want to go into another car with engine temp issues or very expensive parts.
BUT when I did get the Cooling modified, I did a top speed run two summers ago. 260KM/H at Engine Temp 95C and Ambience Temp 45C...Beast.

Say Hi to Kreidt if you see him, Tell him "Auto ist Verkauft"

Regards
Old 05-12-2011, 09:49 AM
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MB CLS AMG 55
How about sparks, MAF, cats? I hear these may be theoretically be the reason of power loss.
As I know, we have two pairs of cats. One pair of them was removed from my car and another one is still present. I wad thinking, taking into consideration the quality of gasoline in Russia, is it possible that those got clogged during 6 years of usage?
Old 05-12-2011, 11:58 AM
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2005 E55
Originally Posted by StabMe
How about sparks, MAF, cats? I hear these may be theoretically be the reason of power loss.
As I know, we have two pairs of cats. One pair of them was removed from my car and another one is still present. I wad thinking, taking into consideration the quality of gasoline in Russia, is it possible that those got clogged during 6 years of usage?
You should get an obd2 scan tool that shows live data and look at your intake air temps.

This will let you know if your pump is working.

Did you delete the secondary cats?
Old 05-12-2011, 01:00 PM
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
Originally Posted by StabMe
How about sparks, MAF, cats? I hear these may be theoretically be the reason of power loss.
As I know, we have two pairs of cats. One pair of them was removed from my car and another one is still present. I wad thinking, taking into consideration the quality of gasoline in Russia, is it possible that those got clogged during 6 years of usage?
there is no maf and you'd have more problems with cats or spark. you've been given some good ideas as to the problem (iat's!) so quit the guessing and get a simple data logger to check things out.
Old 05-12-2011, 07:43 PM
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Ok, i found a data cable for about 70 bucks and a software tool that will supposedly help me monitor IATs. Any other sensors i should loot at?
Old 05-12-2011, 10:24 PM
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2008 VW GTI
Originally Posted by tbal
Tuned m5 puts down 411hp/300tq
Stock e55 put down 416hp/466 tq

You tell me whose faster lol.
referencing these numbers from a dyno that reads the same car +/-30hp within 30mins of 3 pulls and to top it off, it cant read tq correctly.....lol

Last edited by vw_mkv; 05-12-2011 at 10:29 PM.
Old 05-12-2011, 10:37 PM
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GLE 63S
StabMe = Fuqtard
Old 05-13-2011, 05:14 AM
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grantwood, being less informed doesn't make me a bad person. coming off like a **** does.
Thank you guys for suggestions. I must have read some posts before posting this thread, i admit and sorry for that. I will get back with the results as soon as i do the testing. Ok, i will search for similar results and compare to mine
Old 05-13-2011, 07:35 PM
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So i bought OBD2 Bluetooth adapter and installed ScanMaster ELM on my laptop.
First off, i took 0-60mph acceleration test. ScanMaster showed 4.52 as my time which surprised me a lot. Then i tried 0-100 kM/h several times and results ranged from 5.01 to 5.03.

So, next i started logging my IATs and Vehicle Speed. IATs ranged anywhere from 49C to 71C. Of course, they tended to increase after WOTs and decrease after easy driving. Temperature outside was 15C. So, this is actually a big difference between amb temp and IAT. What do you think, guys, should be warned?
Old 05-13-2011, 07:46 PM
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M5 is just a little less faster than the M6 is is compared to the E55

OH SNAP
Old 05-13-2011, 09:19 PM
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V12TT
I hate this 55 vs M5 or M6 question, common there 43535345345 videos on youtube for 55 vs M5

I've gone against an M6 when I was stock and I had him no more than half a car length upto 180km/h
Old 05-13-2011, 11:48 PM
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2005 E55
But what about the gustov video of a stock m6/m5 beating a 640hp Kleemann K4 car lol
Old 05-14-2011, 04:22 AM
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Haters crazy
Originally Posted by vw_mkv
referencing these numbers from a dyno that reads the same car +/-30hp within 30mins of 3 pulls and to top it off, it cant read tq correctly.....lol
Haha so its not your car its the dyno right? hahahahahaha

Really cars read +/-30hp whose? Nobodies, I was their the whole day, we have videos and pictures... your just in denial.
Old 05-15-2011, 01:33 PM
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E55 2003, C32 2002,
Originally Posted by skratch77
But what about the gustov video of a stock m6/m5 beating a 640hp Kleemann K4 car lol
From this video in M5 board I thought that the stock M6 would beat the mod. E55 at high speed , but with my EC stage 3 E55 , I beat the M6 to high speed more than 170M/h, I find out later this M6 is tuned, here is the video:

http://www.youtube.com/watch?v=Q8QoeQzMubc

also I raced with M5 and I killed him easily! but no video
the only chance for BMW M6 againt my E55 is to use NOS or to install supercharger !


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