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Z4 automatic vs. stick

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  #21  
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Eisboch
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 05:21 AM







"adder1969" <adder1969 (AT) yahoo (DOT) co.uk> wrote

Quote:
Eisboch wrote:

You can also shift "manually" with the BMW Steptronic (or whatever they
call
it) but I was very impressed with the auto/sports mode.

BTW ... this is an '06 model. I don't know about earlier years.

Eisboch

I have the step-tronic in my 740 and it makes the car a totally
different animal so if you can get one with the manual option I'd
recommend it. I often use it to lock the car in gear on twisty roads
etc so it's not running away or doesn't kick down on a corner.

I have the regular torque converter and I'm sure one with a lower
stall speed (like in the sport model) would reduce the slushiness feel.


Mine has the adaptive box and it's alright but it takes a while to
learn. I'd prefer a manual override other than the full sports mode.

We've had two 750's ... an '01 (12 cylinder) and an '06 (8 cylinder).
Obviously, both had the Steptronic automatic transmission with the "manual"
shifting capability and both had a "sports" mode that modified the shift
points and suspension dampening settings. They worked, but neither of these
sport modes had the same effect of the sports mode in the Z4si. Using
sports mode in it has a much more pronounced effect and makes it feel like a
true sports car. It doesn't simply modify the shift points ... it will hold
the car in the appropriate gear to maximize engine RPM in the power curve
and maximize responsiveness for a given speed. You can do the same thing
with the manual shifting setting, but I found the automatic mode (in sports
mode) to be very effective and fun.

Eisboch




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  #22  
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Dave Plowman (News)
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 05:58 AM






In article <Pl69h.16552$lD6.5 (AT) tornado (DOT) tampabay.rr.com>,
Tom Scales <tjscales (AT) gmail (DOT) com> wrote:
Quote:
I agree. Until BMW join the 21st century and use a twin clutch SMG the
rough changes when in auto mode just ain't acceptable. It's one thing
having 'punchy' changes when enjoying a country road, but not when
trickling through traffic.

You must be driving a different SMG than I am. I can choose the
'roughness' of the shifts. 1-2 means smooth.
Have you any experience of decent autos? Not being funny, but the SMG
isn't in the same class, smoothness wise. And I've driven a recent M5.

--
*Did you ever notice when you blow in a dog's face he gets mad at you? *

Dave Plowman dave (AT) davenoise (DOT) co.uk London SW
To e-mail, change noise into sound.


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  #23  
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Eisboch
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 06:21 AM




"Dave Plowman (News)" <dave (AT) davenoise (DOT) co.uk> wrote


Quote:
Have you any experience of decent autos? Not being funny, but the SMG
isn't in the same class, smoothness wise. And I've driven a recent M5.

In my opinion the "automatic" or "D" mode in the new, E60 M5 is worthless.
Shifting manually with the SMG III takes some getting used to but in S5 and
S6 modes, it is very smooth and fast.

I recently found out that you can re-calibrate the amount of clutch slip in
the M5 (or M6) with the SMG. You drive at least 20 mph ... put the
gearshift in neutral so you are coasting and pull up on both paddle
shifters. This procedure is recommended whenever you change tires also.

Eisboch




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  #24  
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Tom Scales
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 09:15 AM




"Dave Plowman (News)" <dave (AT) davenoise (DOT) co.uk> wrote

Quote:
In article <Pl69h.16552$lD6.5 (AT) tornado (DOT) tampabay.rr.com>,
Tom Scales <tjscales (AT) gmail (DOT) com> wrote:
I agree. Until BMW join the 21st century and use a twin clutch SMG the
rough changes when in auto mode just ain't acceptable. It's one thing
having 'punchy' changes when enjoying a country road, but not when
trickling through traffic.

You must be driving a different SMG than I am. I can choose the
'roughness' of the shifts. 1-2 means smooth.

Have you any experience of decent autos? Not being funny, but the SMG
isn't in the same class, smoothness wise. And I've driven a recent M5.

You want it to be as smooth as an automatic? Then buy an automatic.
That's not what it is.

And yes, I've experienced a decent automatic. The one in my 540 isn't bad




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  #25  
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Keith
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 10:09 AM



Tom Scales wrote:
Quote:
"Dave Plowman (News)" <dave (AT) davenoise (DOT) co.uk> wrote in message
news:4e89f644a2dave (AT) davenoise (DOT) co.uk...
In article <Za39h.2125$sf5.870 (AT) newsread4 (DOT) news.pas.earthlink.net>,
grinder <seagle (AT) earthlink (DOT) invalid> wrote:
The M3 would be too much money for a weekend car. And I am kind of old
school. Automatic or manual. The SMG may be nice but I prefer tried
and true technology.
I agree. Until BMW join the 21st century and use a twin clutch SMG the
rough changes when in auto mode just ain't acceptable. It's one thing
having 'punchy' changes when enjoying a country road, but not when
trickling through traffic.

--
*A clear conscience is usually the sign of a bad memory *

Dave Plowman dave (AT) davenoise (DOT) co.uk London SW
To e-mail, change noise into sound.

You must be driving a different SMG than I am. I can choose the
'roughness' of the shifts. 1-2 means smooth.

4-6 means fun.

Tom


My Z4 did have a different SMG - There were no options other than the
sport button. I think the SMG used in the M3 is much more advanced.


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  #26  
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Dave Plowman (News)
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 10:59 AM



In article <42i9h.10057$y92.7015 (AT) tornado (DOT) tampabay.rr.com>,
Tom Scales <tjscales (AT) gmail (DOT) com> wrote:
Quote:
Have you any experience of decent autos? Not being funny, but the SMG
isn't in the same class, smoothness wise. And I've driven a recent M5.

Quote:
You want it to be as smooth as an automatic?
In auto mode, yes. Different when doing the selection yourself and in a
hurry. The two aren't mutually exclusive - Audi manage it. As will BMW
when they adopt a twin clutch SMG shortly.

Quote:
Then buy an automatic. That's not what it is.
If it can change gear without any action on the part of the driver, it's
an auto. There is no argument possible about that. An auto isn't defined
by the presence of a torque convertor.

--
*With her marriage she got a new name and a dress.*

Dave Plowman dave (AT) davenoise (DOT) co.uk London SW
To e-mail, change noise into sound.


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  #27  
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Tom Scales
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 01:11 PM




"Dave Plowman (News)" <dave (AT) davenoise (DOT) co.uk> wrote

Quote:
In article <42i9h.10057$y92.7015 (AT) tornado (DOT) tampabay.rr.com>,
Tom Scales <tjscales (AT) gmail (DOT) com> wrote:
Have you any experience of decent autos? Not being funny, but the SMG
isn't in the same class, smoothness wise. And I've driven a recent M5.


You want it to be as smooth as an automatic?
In auto mode, yes. Different when doing the selection yourself and in a
hurry. The two aren't mutually exclusive - Audi manage it. As will BMW
when they adopt a twin clutch SMG shortly.

Then buy an automatic. That's not what it is.

If it can change gear without any action on the part of the driver, it's
an auto. There is no argument possible about that. An auto isn't defined
by the presence of a torque convertor.
Guess we'll just have to agree to disagree.





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  #28  
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E Brown
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 01:34 PM



On Thu, 23 Nov 2006 00:57:19 GMT, "Tom Scales" <tjscales (AT) gmail (DOT) com>
wrote:

Quote:
You must be driving a different SMG than I am.
Could be. The SMG in the Z4 is actually an SSG, an Italian-made
less robust version of the SMG used in the M-class cars.
epbrown
--
"Everybody wants a normal life and a cool car;
most people will settle for the car." Chris Titus
2003 BMW 325i Black/Black, 2003 BMW Z4 Black/Black


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  #29  
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Eisboch
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 01:37 PM




"Dave Plowman (News)" <dave (AT) davenoise (DOT) co.uk> wrote


Quote:
If it can change gear without any action on the part of the driver, it's
an auto. There is no argument possible about that. An auto isn't defined
by the presence of a torque convertor.

Dave, you can take that position if you like, but why does BMW (and others)
offer three different transmission types for the Z4?

Manual
Automatic
SMG

Eisboch




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  #30  
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Dave Plowman (News)
 
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Default Re: Z4 automatic vs. stick - 11-23-2006 , 01:49 PM



In article <Y8CdnTiMC6bmd_jYnZ2dnUVZ_umdnZ2d (AT) giganews (DOT) com>,
Eisboch <rce (AT) nowhere (DOT) com> wrote:
Quote:
If it can change gear without any action on the part of the driver,
it's an auto. There is no argument possible about that. An auto isn't
defined by the presence of a torque convertor.


Dave, you can take that position if you like, but why does BMW (and
others) offer three different transmission types for the Z4?
Because the SMG isn't sufficiently developed to replace a conventional
auto. Nor does it give the same driving satisfaction as a true manual.
Things may change, though. If you require a 'clutchless' change with total
control over the gears, both automated synchromesh boxes and torque
convertor autos are improving all the time. I'd not take a bet which will
win - although my money says the TC auto since it's intrinsically more
reliable.

--
*Before they invented drawing boards, what did they go back to?

Dave Plowman dave (AT) davenoise (DOT) co.uk London SW
To e-mail, change noise into sound.


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