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7 Series - F01 / F02 (2009 - current)
The new re-designed 7 series F01 / F02 leads off the BMW Fxx chassis code!

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  #1  
Old 04-15-2013, 08:45 PM
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GeoX750Li GeoX750Li is offline
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Audi A8 4.0T 420 Hp

Did anyone see Car and Driver's review of the Audi A8 4.0T? 0-60 in 3.9 secs. Can that be, seems crazy quick (and its not even the S8)? BMW has got to step up.
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  #2  
Old 04-15-2013, 09:32 PM
Epiplatys Epiplatys is offline
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I traided in my Audi RS4 for the 750. The RS4 did better than 3.9s 0-60. And it was a lot more fun to drive, real 4wd, quick, nimble, beautiful handling. Better car in every way. Except one - it just could not stay in one piece. Constant break downs - transmission multiple times, clutch pressure plate, carbon build-up, fuel high-pressure pump and the list goes on and on. After 70k I had had enough, and traded it in. Was a perfect driver's car otherwise.
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BMW 750xi M-Sport/Executive/Technology Packages 2012
Lexus LX470 2006
Mercedes SL500 1998
Diamond DA40 XLS 2012

Past vehicles: BMW E38 740 1999, BMW E92 M3, Audi RS4 2007, Audi A8 2005, Mercedes S500 2001, Lexus LS400 1996, Lexus LS430 2003, Lexus SC400 1996, Acura NSX 1995, Toyota MR2 Turbo 1992, Honda S2000 2004, and just too many more to list

Last edited by Epiplatys; 04-15-2013 at 09:33 PM.
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  #3  
Old 04-15-2013, 10:40 PM
Cdnrockies Cdnrockies is offline
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Quote:
Originally Posted by Epiplatys View Post
I traided in my Audi RS4 for the 750. The RS4 did better than 3.9s 0-60. And it was a lot more fun to drive, real 4wd, quick, nimble, beautiful handling. Better car in every way. Except one - it just could not stay in one piece. Constant break downs - transmission multiple times, clutch pressure plate, carbon build-up, fuel high-pressure pump and the list goes on and on. After 70k I had had enough, and traded it in. Was a perfect driver's car otherwise.
You must have had a ton of work into your RS4 to go sub-3.9 considering it's a 4 1/2 second car stock.
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  #4  
Old 04-15-2013, 10:44 PM
Epiplatys Epiplatys is offline
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Sedan 4.3s stock (4.7s would be for an Avant). And no, it was not much work, just $600 ECU tune.
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BMW 750xi M-Sport/Executive/Technology Packages 2012
Lexus LX470 2006
Mercedes SL500 1998
Diamond DA40 XLS 2012

Past vehicles: BMW E38 740 1999, BMW E92 M3, Audi RS4 2007, Audi A8 2005, Mercedes S500 2001, Lexus LS400 1996, Lexus LS430 2003, Lexus SC400 1996, Acura NSX 1995, Toyota MR2 Turbo 1992, Honda S2000 2004, and just too many more to list
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  #5  
Old 04-16-2013, 12:57 AM
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ChrisF01 ChrisF01 is offline
Gib mir Feurschutz!
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Quote:
Originally Posted by Epiplatys View Post
Sedan 4.3s stock (4.7s would be for an Avant). And no, it was not much work, just $600 ECU tune.
I know it's OT but I ADORE the R129. That was the car on my wall as a kid, I had no less than 3 1/18th models and maybe a dozen 1/16 & 1/32 toys. I wanted that car a kid, one of these days if I develop a mechanics thumb I'll get and maintain one.

Did you buy it new? Are they pretty reliable or fussy?

The Audi might be faster but they're way too conservative styling wise(at least to me). BMW might have the 3 sizes one sausage thing down for the most part, but the Audi it's too extreme tangent. Audi has the second laziest designers after Porsche

Chris
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  #6  
Old 04-16-2013, 08:40 AM
Epiplatys Epiplatys is offline
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Originally Posted by ChrisF02 View Post
I Audi has the second laziest designers after Porsche

Chris
Good one!
I actually like this. To me Porsche's approach to design is how it needs to be done - updates keep it modern, but the essence of the car does not change. For BMW to my taste the high point was the 740 and 850 of the same era, last Pininfarina designed cars for BMW. From then on it is not the same.

The R129 is classic and beautiful. It pretty much defines how a cabrio/roadster needs to look like. I got it 1-year old, kept it since and planning on keeping it pretty much for as long as it lasts. I put it in my hangar for the winter.
It was almost trouble-free for me. Only a couple of issues - the oil guide lifters went, which is a common problem on these engines, and easy DIY fix for under $200 and few hours of work. And a transmission leak once, fixed by warranty. 100k on it now, and no problems that I'm aware of. Just stay away from the V12 R129s.

Cheers,
Alex
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BMW 750xi M-Sport/Executive/Technology Packages 2012
Lexus LX470 2006
Mercedes SL500 1998
Diamond DA40 XLS 2012

Past vehicles: BMW E38 740 1999, BMW E92 M3, Audi RS4 2007, Audi A8 2005, Mercedes S500 2001, Lexus LS400 1996, Lexus LS430 2003, Lexus SC400 1996, Acura NSX 1995, Toyota MR2 Turbo 1992, Honda S2000 2004, and just too many more to list
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  #7  
Old 04-16-2013, 09:25 AM
Wolfman64 Wolfman64 is offline
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Quote:
Originally Posted by GeoX750Li View Post
Did anyone see Car and Driver's review of the Audi A8 4.0T? 0-60 in 3.9 secs. Can that be, seems crazy quick (and its not even the S8)? BMW has got to step up.
Engines are getting better and combined with 4-wheel drive can achieve some very fast 0-60 times. MB switched to 4matic on their e-class and their AMG E63 which may deliver as low as 3.4 sec. which I believe.

Even our new SL550 stock is faster than our last TTV12 SL600. Listed at 4.5sec, tested by every mag between 3.9-4.0 sec. And that's rear wheel drive

The 7 series simply needs to shed 500lbs or so. For speed and fuel economy...
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  #8  
Old 04-16-2013, 09:44 AM
chrischeung chrischeung is offline
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Originally Posted by Wolfman64 View Post
The 7 series simply needs to shed 500lbs or so. For speed and fuel economy...
Easier said than done. That's 15% of the car. If it was that easy, why wouldn't they have already done it? There are so many benefits to doing so, like less materials in the car (cost), lower fuel consumption etc.
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2012 ActiveHybrid 750i ED

3/12 ED 7 - thread ID 610350
1/11 ED 6 - thread ID 5767556&postcount=175
4/10 ED 5 - thread ID 453501
5/08 ED 4 - thread ID 290679
3/07 ED 3 - thread ID 201013
3/06 ED 2 - thread ID 136454
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  #9  
Old 04-16-2013, 10:17 AM
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GeoX750Li GeoX750Li is offline
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I saw the thrust of the G11 is going to be weight reduction with carbon fiber, which could be very expensive. But even though the German HP war has gone over the top (so that further gains maybe pointless), has BMW fallen behind the competition for now?
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  #10  
Old 04-16-2013, 10:21 AM
Wolfman64 Wolfman64 is offline
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Quote:
Originally Posted by chrischeung View Post
Easier said than done. That's 15% of the car. If it was that easy, why wouldn't they have already done it? There are so many benefits to doing so, like less materials in the car (cost), lower fuel consumption etc.
More like a bit over 10% (at 4865 lbs)I don't recall the amount of aluminum in a 7 series, but the A8 is 450 lbs lighter, the Jaguar XJ 850 lbs. I know that on the SL they dropped a couple hundred pounds through an aluminum body...

Last edited by Wolfman64; 04-16-2013 at 10:22 AM.
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  #11  
Old 04-16-2013, 12:21 PM
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Individual750LI Individual750LI is offline
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Aluminum body frame is the key!
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  #12  
Old 04-16-2013, 12:26 PM
chrischeung chrischeung is offline
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Originally Posted by Individual750LI View Post
Aluminum body frame is the key!
Are you sure? It may be very expensive. The 5,6,7 are made on the same production lines, rather than dedicated lines So they may have to switch all cars over to Aluminium, or run separate body production lines for Aluminium, which may be less efficient. And the 5 series is also made in China so that plant would also need to switch to Aluminium production, or be able to produce stell and Aluminium. So there's probably a big capital expenditure consideration involved.

I'm not saying any of you are wrong, in fact I'm a big theoretical supporter of Aluminium and new tech materials. But if you want BMW to adopt them, you also need to help make the case to convince them. Something that makes logical, financial, and practical sense. Has BMW thought of switching to Aluminium? Yes - remember Rolls uses Aluminium bodies made in Dingolfing (where the 7 is produced). Has it made sense to them? Probably not. So what is different now that makes it a good decision to switch?

What would I do? No real good ideas beyond what BMW has probably already considered. For all I know, they may be well ahead of us. Look at the i8 - performance and fuel economy. http://www.autocar.co.uk/car-news/ne...ll-electric-i3 Wouldn't a 7 series using that technology be better than an A8?
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2012 ActiveHybrid 750i ED

3/12 ED 7 - thread ID 610350
1/11 ED 6 - thread ID 5767556&postcount=175
4/10 ED 5 - thread ID 453501
5/08 ED 4 - thread ID 290679
3/07 ED 3 - thread ID 201013
3/06 ED 2 - thread ID 136454

Last edited by chrischeung; 04-16-2013 at 01:09 PM.
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