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All-carbon BMW Z4 M Coupe sheds 515 pounds

09/03/2006, 2:19 PM

By admin

Carbon fiber specialist TC Kline Racing has created a new vehicle it calls the “Carbon Coupe,” based on the BMW Z4M Coupe. Previously, the company built a Z4 roadster with a custom carbon body, weighing 400 lbs less than the regular version. Now, TC Kline has turned its attention to the Z4 coupe. The 100% autoclaved carbon fiber body brings the overall weight to 2780 lbs — 515 pounds less than the standard 3295 lbs! The body is about two inches wider than the standard shell. Performance floating brake rotors with mono-block calipers have also been added. Finishing touches include custom 18″ wheels, a lightweight flywheel, and a lighter battery. Output remains untouched at 330 horsepower. Gallery after the jump…

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09/03, 2:24 PM

posted by:

thedrain

i think im in love

09/03, 2:26 PM

posted by:

Bimmer

NICE! Will be faster and should handle better.
P.S. Couldn’t stand Z3 Coupe, love Z4 Coupe thou.

09/03, 2:56 PM

posted by:

peter g

Light and fast!

09/03, 3:14 PM

posted by:

Jimbo - Gulph Mill$

thats bangin.

09/03, 3:15 PM

posted by:

Stuart

Why not just take that line on the side out altogether

09/03, 3:27 PM

posted by:

Adam

BMW will never stop amazing us.

09/03, 3:38 PM

posted by:

Barry

DAMMNNN THIS THING IS GONNA FLY!!!! IT WOULD PROBABLY BE AT LEAST 10K MORE THOUGH.

09/03, 4:02 PM

posted by:

2006300C

Wouldn’t mind my car weighing 3600 lbs. instead of 4100. Hopefully carbon fiber and other materials will become the automotive version of DVD players, exclusive and expensive at first but becoming cheaper and more mass market as time rolls on.

09/03, 4:36 PM

posted by:

miles

yawn!!

09/03, 4:36 PM

posted by:

kafkef

how much is that in kilos

09/03, 4:40 PM

posted by:

James

1,260 Kilograms.

09/03, 4:50 PM

posted by:

Reverend Mark Fields

That’s just wrong

09/03, 4:52 PM

posted by:

Wally Bag Of Donuts

cool

09/03, 4:59 PM

posted by:

Dean

Ummm, it wasn’t BMW’s doing … it was TC Kline’s. This could have been done to any car given an interest, time and money.

Won’t be mass marketed for quite some time, unfortunately.

Leaving out my distaste for this BMW design … an exercise in showcasing their ability, nothing more.

09/03, 5:24 PM

posted by:

Mr Green

um… WUT’S UP WITH THE COLOR? RAN OUT OF NORMAL PAINT? but other than that, wow :D

09/03, 5:26 PM

posted by:

Darth Vader

sigh… i need to settle on a nick.. mr green-darth vader…
darth vader sounds cooler…

ps. i tink i figured d logic behind that color, makes it look bigger =) i mean it does look pretty mousy in grey or black

09/03, 5:26 PM

posted by:

1c3d0g

Zextreme work! :-D

09/03, 5:31 PM

posted by:

Darth Vader

they should’ve left it unpainted. paint=extra weight :D
also, then it’ll have that cool camouflagin look

09/03, 5:43 PM

posted by:

Kaveh

WOw, so how fast is it 0-60 and top speed now? What size tires does it have on now? Who built it?

09/03, 6:21 PM

posted by:

To all bloggers

Thats an ugly ass orange. (fruit, not the car, i dont see a car, where is it?!!)

09/03, 6:52 PM

posted by:

rod

awesome weight savings would translate to incredible performance….but i think the car is ugly…very ugly.

09/03, 7:10 PM

posted by:

Dan

that is a truly WOW car. I’m pretty sure they already did a similar rebody for the z4 roadster, and they were charging >150k for the finished car, not merely 10K, as someone guessed above…. I wonder whether the finished body is built to the same standard that bmw would attempt if they decided to do a carbon body… I’m guessing no, but still, 500lbs gone on an already tiny car… wow.

09/03, 7:36 PM

posted by:

BMW Z4 M Carbon Coupe Previewed

[...] [via LeftlaneNews] [...]

09/03, 7:46 PM

posted by:

Jonathan Stein

uhhh that is quite ugly. that car reminds me of something a Mexican would be driving around.

09/03, 7:57 PM

posted by:

Kinno

Yeah I’d love to get some performance numbers too!

Although it’d be mainly things like acceleration, braking, cornering and handling that would be improved.

Top speed would be largely unaffected by the weight loss. Weight is very important when it comes to acceleration, but ALMOST meaningless for top speed. (ALMOST so nobody jumps on me)

For top speed, by far the largest form of resistance on the car is air resistance, not friction in the parts or with the road, or not even so much lost in the tires. Air resistance increases exponentially with speed, and is ultimately largely responsible for limiting top speed. Unless my memory is faulty, I believe it’s a square relationship. If you double the speed, air resistance increases goes up 4x. If you triple the speed, resistance goes up 9x.
(say from… 50km/h – 100km/h, or 50km/h – 150 km/h) That’s why it becomes quickly, and increasingly, more difficult to accelerate. Of course that’s why aero design/work is so important.

09/03, 8:50 PM

posted by:

Sean

I wonder how much this thing costs probably 100 grand.

09/03, 8:54 PM

posted by:

Asher

Now this MZ4 Coupe will perform as well as the 2002 M Coupe, which for that 1 year came with the European 321-hp engine and did 0-60 in about 4.4 I believe with a 13 flat quarter. Oh and that car handled as well too I am sure, even if many did not find the exterior design appealing…

09/03, 9:09 PM

posted by:

Veda

Think about the repair costs should you require one.

09/03, 9:16 PM

posted by:

James

Paint it Blue!

09/03, 9:50 PM

posted by:

Hermie

Crash safety? Carbon fiber splinters and shatters in some applications.

09/03, 9:57 PM

posted by:

Kenny W

Whoa, that car has an Ohio plate on it. I wonder if they do custom applications for small groups.

09/03, 10:40 PM

posted by:

Gmhater1

Hermie that is true, but it is 12 times stronger than steel for the same weight. Think about all the posibilities… having a car weigh less than half as much as it would if made out of alluminum or steel. Better economy, faster, and in the long run if they can figure out how to mass produce it at a cheap price longer lasting! Now all they need to do is get rid of the piston engine… old technology, that is inneficient. That is truley what’s holding the automobiles potential back, the piston engine. And engines that run on fossil fuel in particular or source(s)that run on fossil fuel to create the needed energy.
After making more efficient engines, lighter and more aerodynamic cars the potential for the automobile will be at it’s full… then we’ll have to move to spaceships ;)

09/03, 11:37 PM

posted by:

Not Anybody You Know

Bangle-Ugly with some Kit-Kar flare…yuck!

09/03, 11:52 PM

posted by:

carbo

Instead of a whole body exercise that noone can afford, they need to make simple changeout parts like carbon fiber hoods, doors etc.

09/04, 12:26 AM

posted by:

Hyperion

That is one nice tuner car. I’d worry about accident safety but…. man oh man, it’s still worth it no matter what.

09/04, 3:42 AM

posted by:

peter g

I’m not sure people should be bangin’ on Bangle crying out their distaste for contemporary design; did he or Adrian van Hoydoonk actually design this beauty?

09/04, 3:54 AM

posted by:

Cameron

Needs Engine, Suspension and Braking Enhancements. Otherwise Brilliant car and worksmanship.

[...] [Source: Left Lane News] [...]

09/04, 8:10 AM

posted by:

matt

A great car, but I wouldn’t have it in that ugly orange colour though.

09/04, 12:11 PM

posted by:

Bimmer

That colour is just for the show, look at AC Schnitzer’s Topster, it’s also got Orange and Yellow.

09/04, 3:44 PM

posted by:

RC Collins

Needs Engine, Suspension and Braking Enhancements. Otherwise Brilliant car and worksmanship.

Comment by Cameron, posted on September4 at 3:54 am

Obviously you don’t know anything about the mz4 coupe if you think the engine, suspension and brakes are not up to par.

09/05, 5:22 PM

posted by:

Metric Zero

I personally like the color. 515 pounds is a substancial number. Race teams fight for ounces, this is a knock-out. The car does need more power and suspension upgrades thou. Lighten the car, and give it more power, equals quicker. Thats a lot of money, but then again it takes money to go faster.

[...] [via LeftlaneNews] [...]

 
 
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