DIESEL in the 6 series ??

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03-19-2006, 06:12 AM

#11

cobradav

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Quote:

Originally Posted by BetterMakeWay' post='257119' date='Mar 19 2006, 04:23 AM

My opinion is that diesel technology reached a high level and it still growing. It already surpassed alot of petrol engines at the same engine size and i'm not talking only about bmw. On the other hand i still can't put it on a sporty look like the 6 series or the z4. Those cars are ment to look great and very sporty and exclusive and sound terrible when at full thorttle. Even though logicly it a revised 3liter TT diesel would rock in a 6er i don't quite find it at it's place. Just imagine a mean 6 series starting up. That's not right. Anyway i hope they will find a way (bmw) to reduce even more the diesel sound. I for one am more then pleased with the sound of it especially at high revs. The only point you know it's a diesel is if you listen carefully at idle rpm, cause in traffic where noise level is higher one can never tell that's a diesel.

I watched a lot of the 12 hours of Sebring yesterday. They put a mic real close to the Audi. Super quiet under all conditions, starting out from pit and on track accelerating out of curves. Of course the non-diesels in a race are not trying to be quiet, but Audi was as they were trying to tell the non-smoke, no noise, big torque and fast all at once (plus good mileage). Very impressive. Get some diesel competition (BMW, M

in those races and see what happens to the "sporty" nature of diesels? We really need this to be more popular in US. In Europe they get it

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03-19-2006, 07:47 AM

#12

Peter530i

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nothing against diesels.... all my cars were diesels before current 530i.... but I still do not like to see them in a real sporty coupe like the 6series is..... DIESELS priority and point is economical and low consumption.
So if one has enough money to buy a super sport coupe than why economical diesel?
It is kind of nonsense! The feeling, the noise and mostly the HIGH revs and long gears of a strong gasoline engine are sipmly part of the sporty image a coupe car has.... I'm talking real coupe sporty cars.... I would not want to have a nice 150k $ M6 knowing that there is some 630d for 50k looking exactly the same....

besides the noise and vibration even of latest and best BMW diesel engines is there.... you can feel it so I do not think it would be any enjoyable in a coupe cabrio!!!!

Basicaly my point is that diesel does not belong to a sporty coupe image wise and purpose wise.....
would you like a Ferrari or a Porsche with a diesel engine? even if it would be the best and latest engine ever????? I do not think so
otherwise I'm not saying nothing against diesels at all. 535D rocks

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03-19-2006, 01:05 PM

#13

BetterMakeWay

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Quote:

Originally Posted by Peter530i' post='257200' date='Mar 19 2006, 08:47 PM

YOU HAVE A VERY VERY VERY SOLID POINT. I agree with it mostly...but in our days the diesel's main purpose stopped being low consumption imo. They are more about the outputs and economical stuff. IMHO the only disatvantage of the diesel in our days is the noise it makes, typical diesel noise. That's all. I wouldn't mind a porsche carrera diesel (i know at first it sounds crazy) with state of the art technology that would smoke it's petrol brother and still come more economical. It's common sense here and logic. With a strong, special exhaust and some tweaks you could make it sound agressive and sporty also. Only idle sound cannot be changed, i think. Think about it this way:
How about (presumebly) an e60 with an M pack with a V10 5 liter TT diesel engine similar to the 535d. We are talking here about almost 200% gains in power resulting in around 550bhp and around 1100NM or torque and at this level still manage to be more economical than the current e60 m5. So in that case what would be the overall purpose of the m5?
A friend of mine said to me when we talked about the 535d vs e39 m5 experience, he said: who do you think will arrive faster from point A to B considering that the distance is some hundred kilometers. Let's say 500-600km. My bet is the diesel simply because it has just the amount of torque for overtaking in a zip, but the diesel won't have to stop for refueling. And that is perfectly ture after all.
As i said i find strange to put a diesel in a 6 series or in any coupe...it's simply not right...but if the actual rate of diesel technology is being kept i really fear for some petrol engines 5-10 years from now.

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03-19-2006, 01:30 PM

#14

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Quote:

Originally Posted by BetterMakeWay' post='257378' date='Mar 19 2006, 11:05 PM

for me what counts is torque, (consumo) I do not really care, I drive in DS, you should see those faces

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03-19-2006, 01:37 PM

#15

needforspeed

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Quote:

Originally Posted by Peter530i' post='257200' date='Mar 19 2006, 04:47 PM

What you say makes sense of course, but is just one way of looking at the issue.

In the UK, fuel and car tax costs make a significant impact on car buying decisions. A great many 5, 6 and 7 series will be company cars and their are DEFINATELY people who would choose a diesel 6 series if it were available.

BMW have had phenomenal success with the introduction of a diesel 3 series coupe, which combined image, with economy and worked for me (I had 2 in a row).

IMO the 6 series is NOT a ferrari or porsche - it is a cruiser / grand tourer and is practical enough as a main car. So long as the engine is powerful enough, in the UK at least the type of fuel is starting to matter much less.

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03-19-2006, 02:14 PM

#16

0700700

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however good the 535d is , mercedes's engine is better in the sl400cdi biturbo it accelerates 0-100km in only 5.7s and revs in excess of 5000rpm

you really have to look at the 745d to compare

and of course the e39 m5 will get there first. do you know that it only consumes 12l/100km on the highway. Therell be enough juice to cover 600km

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03-19-2006, 02:16 PM

#17

Peter530i

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Quote:

Originally Posted by 700700' post='257422' date='Mar 19 2006, 06:14 PM

however good the 535d is , mercedes's engine is better in the sl400cdi biturbo it accelerates 0-100km in only 5.7s and revs in excess of 5000rpm

I thought this was an BMW forum????

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03-19-2006, 02:19 PM

#18

0700700

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Quote:

Originally Posted by Peter530i' post='257425' date='Mar 19 2006, 11:16 PM

I thought this was an BMW forum????

peter

you are discussing the merits of diesel technology. and the two best engines are the

4.5litre bi-turbo BMW engine
and the
4.2litre bi-turbo MB engine.

(the v10 vw engine is far too heavy and does not produce enough power per litre)

The 3 litre bi-turbo engine is not in the same league, especially for torque

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03-19-2006, 03:16 PM

#19

gIzzE

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Model Year: 2007

Quick point to make here. I did not buy the 535d for economy, last tankful is showing 20.9mpg (UK not US!) which is very low and the lowest I have had it, however I bet a petrol would be down in the low teens.

OK I can get 30mpg all day long and 35mpg if I drive reasonably carefully, but I got a 535d for the performance.
The 530i just felt flat and slow in comparison, and they do a 630i, so why not add a 635d?

I had a lot of fun with a brand new 650i cab the other day and over a 3 mile stretch of dual carrigeway with 2 roundabouts in there I kept pulling away from him, he actually wound his window down and said he was amazed that he was struggling to keep up. Maybe if he was a better driver and got his gearing right coming of the roundabouts he would have been faster, I am not sure what the figures are for the 650i, but it makes you think.

Mine is DMS tuned so around 5.5seconds to 60mph and about 13,5 to 100mph.

But given the choice I would get a 635d over a 650i everytime, just prefer the feel, M6 though? well that is a different matter!