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stasisLAX
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BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 12:51 am

Following several spy photos and photo leaks, BMW has officially unveiled the 2010 Z4 before its official unveiling at the Detroit Auto Show next month. The all-new Z4 will be on sale to consumers starting in the fall of 2009.

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2010 BMW Z4 Convertible


The new Z4 gets all-new styling that is both more aggressive (front end) and cleaner (back end). A new Z4 has a two-piece retractable hard-top that ditches the soft-top from the last generation.

The Z4 also employs BMW's new naming scheme (sDrive) with the sDrive30i and sDrive35i. The sDrive30i is powered by a 255 horsepower 3.0L 6-cylinder engine and the sDrive35i is powered by the 300 horsepower 3.0L twin-turbo 6-cylinder engine. Both engines can be mated to either a a 6-speed manual or a dual-clutch 7-speed automatic with paddle shifters. The sDrive30i is also available with a six-speed automatic. Zero to 62mph in 5.2 seconds (5.1 seconds for a Double Clutch Transmission-equipped car) and an electronically-limited top speed of 155mph. The Z4's strong performance credentials are matched in terms of economy and emissions. The Z4 sDrive35i is estimated at combined fuel economy figure of 31 mpg and CO2 emissions of 219g/km.

Source and many more photos: http://www.thetorquereport.com/2008/...w_2010_bmw_z4_officially.html#more

The new Z4 looks better than the previous version, but is still no match to the Porsche Cayman's styling, IMO. Your thoughts, fellow motorheads?
"Those who would give up essential liberty to purchase temporary safety deserve neither liberty nor safety!" B.Franklin
 
Superfly
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 1:01 am



Quoting StasisLAX (Thread starter):
Your thoughts, fellow motorheads?

Just another over-priced, over-engineered car from BMW.
Bring back the Concorde
 
2H4
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 1:03 am

Perhaps in another few years, the tops of the doors will extend above the driver's head. What is it with the ever-higher beltlines coming from auto manufacturers?

2H4
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Superfly
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 1:08 am



Quoting 2H4 (Reply 2):
What is it with the ever-higher beltlines coming from auto manufacturers?

I've been wondering the same. I don't like the 'sitting in a bathtub' feel of a lot of new cars.
Bring back the Concorde
 
Fly2HMO
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 1:13 am



Quoting StasisLAX (Thread starter):
The new Z4 looks better than the previous version,

I think it looks worse than the current version. It's too softened. I think the current version looks more aggressive. But I'm only really into the M Coupes so I'll wait and see what that version of it looks like.

Quoting Superfly (Reply 1):
Just another over-priced, over-engineered car from BMW.

With the exception of the GT-40 (which was mostly engineered outside of the US anyways) I much rather have that BMW than any of the over-priced and under-engineered steaming piles of feces that the big three dare call "sports cars"  yuck .
 
cptkrell
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:00 am

Certainly an improvement over previous BMW "Donald Ducks".

As far as the high belt line, it's probably more optical because of the windshield rake. Typically the belt will flow from the cowl fiduciary point at the base of the A-pillar unless it is intentionally forced to be lower or higher than the cowl once the belt transmits into the door after the A-pillar. I don't find BMW's styling solution objectionable.

BTW, on the doors comment; the GT40 was conceived as a quick entry/egress racing car and the extra headroom for drivers to bail in/bail out was a real plus on a LeMans-style start and quick driver changes with such a low roofline. Anyone remember the GT40 MKIV (J car) that actually had a little head-clearance aero bump on the roof to accomodate taller drivers?

That said, doors that extend into the roof are simply less functional for a myriad of reasons unless you want to ga-ga the custom show car crowd. regards...jack
all best; jack
 
SkyyKat
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:02 am

I think you are all nuts! Looks amazing, BMW although not my forte, they always make a beautiful car and this is no exception.

I have driven almost every model from the past 5 years or so.... So Mr. Superfly there is no such thing as over engineering. Big grin They are a great drive and I cant wait to take this one for a spin!
 
2H4
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:11 am



Quoting Cptkrell (Reply 5):
As far as the high belt line, it's probably more optical because of the windshield rake.

I'm not convinced. We can see a bit of light above the rear view mirror, which indicates the camera is positioned above the mirror.

The window sill is at or above the driver's shoulder. The side-view mirror is at or above the driver's nose. And this is from a high perspective. Lower the camera to the level of the driver's eyes, and even less of the driver would be visible to us.

That's a pretty darn high belt line, in my opinion.  yes 

2H4
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cptkrell
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:27 am

2H4...the belt height begins at the same height as the bottom of the windshield A-pillar. To lower the belt you would have to force the design of the belt downward from this point.

Reference to positioning of RV mirrors, those positions are dictated by the 95% (or maybe it's now 97 percentile) FMVSS optical placements and as long as they meet the 95% optical spectrum with in the designed-in seat adjustment position, they can be placed anywhere as long as the minimum RV requirements are met. This is not a good judge of belt height.

Furthermore, BMW photogs might have a dwarf in the car to make people think it's got a lot of headroom  Smile regards...jack
all best; jack
 
2H4
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:48 am

Ok, that certainly explains the placement of the side-view mirrors, but I still find it odd that from a position above the rear-view mirror, we cannot clearly see the driver's shoulders.

Compared to similar cars from 5-10 years ago, this seems extreme. I've noticed an ever-increasing sill-height in the Volkswagen Golf series, for example. The Mk.IV and earlier offer great visibility all around, but the visibility in my Mk.V seems worse. It seems as though the tall sill height prevents me from looking down at curbs or potholes. The BMW 3-Series has evolved in a similar manner. So has the Mazda Miata. I suspect it's a result of more stringent side-impact regulations.

Of course, your dwarf theory is quite plausible, as well.  Smile

2H4
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stasisLAX
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:58 am



Quoting Cptkrell (Reply 8):
Furthermore, BMW photogs might have a dwarf in the car to make people think it's got a lot of headroom

BMW does own Mini, does it not?  Silly
"Those who would give up essential liberty to purchase temporary safety deserve neither liberty nor safety!" B.Franklin
 
bill142
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 2:58 am

what the hell is sDrive? I've heard of iDrive..
 
lincoln
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 5:43 am



Quoting StasisLAX (Thread starter):
The new Z4 looks better than the previous version, but is still no match to the Porsche Cayman's styling, IMO. Your thoughts, fellow motorheads?

Not a motorhead, but the Z4 has long been the car that "I'm about to buy" (it would have finally happened last summer but I decided to blow the chunk of savings I was planning for the Z4 on a downpayment for my house), but... I'm not sure I dig the new styling. IMHO (and I know I'm in a rather small group here) the current Z4 is the best looking car on the road, and the side profile is a large part of my feelings on the subject.

I think I'm down with the 2-peice hard top, but the side styling from the photo I don't really like as compared to the current design... Maybe I'll need to accelerate my purchase plans... and BMW sales folk here who want to make me a sweet deal, PM me  Wink I'll consider anything '05 or newer, great credit and a a decent down payment.
CO Is My Airline of Choice || Baggage Claim is an airline's last chance to disappoint a customer || Next flts in profile
 
bill142
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 8:29 am



Quoting 2H4 (Reply 2):
What is it with the ever-higher beltlines coming from auto manufacturers?

Occupant safety.
 
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stasisLAX
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 9:32 am



Quoting Bill142 (Reply 13):
Quoting 2H4 (Reply 2):
What is it with the ever-higher beltlines coming from auto manufacturers?

Occupant safety.

And the new Z4 is a hardtop convertible, which means the rear will have a higher deck height so the roof mechanism and the roof itself have enough space to be housed.
"Those who would give up essential liberty to purchase temporary safety deserve neither liberty nor safety!" B.Franklin
 
aero145
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Wed Dec 24, 2008 10:05 am

I’m disappointed with BMW coming with a hardtop droptop. A droptop is never the same as a real coupé.
 
SkyyKat
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Thu Dec 25, 2008 7:04 pm



Quoting Aero145 (Reply 15):
I’m disappointed with BMW coming with a hardtop droptop. A droptop is never the same as a real coupé.

Thats what you have the M Coupe for. The Z3/Z4 line have always been droptop.
 
aero145
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RE: BMW's New Z4 Convertible Launching At Detroit

Thu Dec 25, 2008 7:38 pm



Quoting SkyyKat (Reply 16):
Thats what you have the M Coupe for. The Z3/Z4 line have always been droptop.

What are you talking about? The Z3/Z4 line have always* been droptop AND coupé.

The M Coupés are based on the M Roadsters, the high performance versions of the droptop version of the Z3’s and Z4’s.

So, I’m still as disappointed as before you made that remark.  Silly


* = the beginning of the Z3 and Z4 didn’t introduce the coupés, but they were available in both Z3 and Z4 and M-serie
 
SkyyKat
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Thu Dec 25, 2008 9:04 pm



Quoting Aero145 (Reply 17):
So, I’m still as disappointed as before you made that remark.

I dont think they have the coupes in North america. I have not seen one Z3 or Z4 coupe...Here they call them M coupe, but I might be wrong  Smile


I agree with you on the coupe sports car thing. Gotta be hard top! But the new Z4 is still sexy  Wink
 
aero145
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Thu Dec 25, 2008 10:54 pm

Yo Skyy,

Just to clarify...

Z3’s and Z4’s exist as roadsters (soft top droptops) and as coupés with roofs that are difficult to remove.  Silly

They exist as normal roadsters, M-roadsters, normal coupés and M-coupés.

2870 USA-spec Z3 M-coupés were built.
1820 USA-spec Z4 M-coupés were built.

(source: WP)

But I think you may be right that normal non-M coupés weren’t sold to the USA, I cannot say anything against that.  Silly

At least, the new Z4 sure is cool and I hope the M-version will be a hardtopper.

Ciao
DAE Big grin
 
Cadet57
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Fri Dec 26, 2008 1:56 am



Quoting StasisLAX (Thread starter):

Just like all of BMW's current cars. Fugly.
Doors open, right hand side, next stop is Springfield.
 
flight152
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Fri Dec 26, 2008 2:21 am



Quoting SkyyKat (Reply 18):
I dont think they have the coupes in North america.

The Non-M coupe based on the Z4 was indeed sold in North America, although i'm not sure it existed for the Z3.

Quoting Cadet57 (Reply 20):
Just like all of BMW's current cars. Fugly.

You call this ugly, and want to buy a Crown Victoria?
 
Cadet57
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RE: BMW's New Z4 Convertible Launching At Detroit

Fri Dec 26, 2008 2:45 am



Quoting Flight152 (Reply 21):
You call this ugly, and want to buy a Crown Victoria?

That isnt as bad as the monstrosity that is the 5 or 7 series, what is that, a 3 series coupe? As for the vic, they're solid, practical cars. Plus that 5.4L V8 is beefy. If I could afford a big luxury car, Id buy this:

http://image.automotive.com/f/miscellaneous/2008-audi-brings-changes-to-entire-lineup/6609112+w698+cr1+re0+ar1/2007-audi-a8-front-leftjpg.jpg
Doors open, right hand side, next stop is Springfield.
 
keesje
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Tue Jan 06, 2009 9:14 am



Quoting StasisLAX (Thread starter):
The Z4's strong performance credentials are matched in terms of economy and emissions. The Z4 sDrive35i is estimated at combined fuel economy figure of 31 mpg and CO2 emissions of 219g/km.

31 mpg, that's about a Honda Fit? maybe the average in the US in 2015..
http://www.cbsnews.com/stories/2008/04/22/tech/main4034303.shtml

Big / fast cars can be relatively savvy. It needs extra engineering.
"Never mistake motion for action." Ernest Hemingway
 
cainanuk
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Tue Jan 06, 2009 2:07 pm



Quoting Superfly (Reply 1):
Just another over-priced, over-engineered car from BMW.

As opposed to the under-engineered, unable to actually TURN at any rate of speed OVERpriced CRAP that Detroit spews out? I wil take German engineering ANY day!
Cainan Cornelius
 
2H4
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RE: BMW's New Z4 Convertible Launching At Detroit Show

Tue Jan 06, 2009 6:49 pm



Quoting CainanUK (Reply 24):
As opposed to the under-engineered, unable to actually TURN at any rate of speed OVERpriced CRAP that Detroit spews out?

I'm a fan of German engineering, too, but the Chevrolet Corvette disproves every part of the above sentence.

2H4
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