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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sat, Jul-28-2012, 01:25:31 AM   #1
Tarmac_E36_M3
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Default Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

Yes, you read right. I have installed the ACPT CF DS this week and it feels amazing! I wish I had more time and will update with more info, especially the more I drive it. Any questions, ask away!

Bottom line... you definitely feel a difference. Just regular street driving you can feel how smooth the trans shifts now, up and down. The loud M clunk... is basically gone. Feels smoooooth!

Once I get to drive around more I can say more, but for now... all I can say is that this CF DS is sweet.

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Old Sat, Jul-28-2012, 01:32:32 AM   #2
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

Any info on how much weight is saved?
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Old Sat, Jul-28-2012, 01:32:41 AM   #3
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

PICS!!! Price? How long was the wait?
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Old Sat, Jul-28-2012, 01:35:14 AM   #4
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

How much doe the CF DS's go for and what's are the weight savings?
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Old Sat, Jul-28-2012, 01:36:03 AM   #5
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

Any potential downsides to doing this mod? Price? Installation difficulty?

I recall reading a thread a while back where a forum member installed one and had some fitment issues...

I also heard that for a street car and normal city driving that doing this mod is a waste of time and money...

Anyone care to chime in and help answering my questions? lol

TIA
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Old Sat, Jul-28-2012, 01:47:38 AM   #6
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

How hard was the install?
Did you have to replace the guibo or any other connecting parts?
Is there a noticeable difference in power, gas mileage, etc?
Lots of pics!

Also an off topic question for you. I saw a set of carbon fiber doors do you have any experience them?

Last edited by 04cbM3; Sat, Jul-28-2012 at 01:52:48 AM.
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Old Sat, Jul-28-2012, 02:06:17 AM   #7
Tarmac_E36_M3
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

Wow... didn't expect this many posts so quick!

Quote:
Originally Posted by StevoTheHobo View Post
Any info on how much weight is saved?
I believe it's around 8 lbs. I'll weight the parts when I get them (forgot them at the shop).

Quote:
Originally Posted by Tchleung View Post
PICS!!! Price? How long was the wait?
I'll ask the shop for the pics, they took some. I bought it from another member for 750; I believe retail is around 1200.

Quote:
Originally Posted by 0-60Motorsports View Post
How much doe the CF DS's go for and what's are the weight savings?
See above.

Quote:
Originally Posted by Dizzeep View Post
Any potential downsides to doing this mod? Price? Installation difficulty?

I recall reading a thread a while back where a forum member installed one and had some fitment issues...

I also heard that for a street car and normal city driving that doing this mod is a waste of time and money...

Anyone care to chime in and help answering my questions? lol

TIA
Downside... it's not cheap unless you get a deal like me, lol.

Installation is easy. Since I had an insurance claim to help pay for labor, i had the shop do it. But no different then doing the flex disk and then the other end of the DS.

I read that too, about a member having an issue. But I also read one where a member loved it. Those are the only 2 I've heard of, before installing. So I took a chance... and it worked out fine.

Street car may be a waste of time and money.. but come'on man... you know me.

Quote:
Originally Posted by Ville View Post
How hard was the install?
Did you have to replace the guibo or any other connecting parts?
Is there a noticeable difference in power, gas mileage, etc?
Lots of pics!

Also an off topic question for you. I saw a set of carbon fiber doors do you have any experience them?
I did the flex disc at the same time, so the labor wasn't much different. actually, I did those 2 plus my SS V1 headers and section 1. So I saved a ton of time and money in the end.

Power, not sure. But it does respond a LOT better. I took off like I normally do, from a light, and chirped the tires twice. Unintentionally. So response is very nice; I'd compare it to a lightweight flywheel... without the chatter. shifting feels a lot smoother as well.

CF doors are bad ass.. but you basically lose all the capabilities of using your windows. Unless you can find someone that can some how reinforce the inside of the doors to hold the motor and then you probably should run a lexan side window, to keep wieght down on the door. End state: I think it's possible, but it will take a lot of money to make it work on a DD. Track car... easy, since you don't need all that window crap.
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Old Sat, Jul-28-2012, 02:09:03 AM   #8
J.J4ck0wsk1
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

Basically what everyone else has already asked.. This may be a possibility in the not so near future for me once my driveshaft and components start to go. Only at 45k now though .
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Old Sat, Jul-28-2012, 02:19:30 AM   #9
04cbM3
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

Quote:
Originally Posted by Tarmac_E36_M3 View Post

I did the flex disc at the same time, so the labor wasn't much different. actually, I did those 2 plus my SS V1 headers and section 1. So I saved a ton of time and money in the end.

Power, not sure. But it does respond a LOT better. I took off like I normally do, from a light, and chirped the tires twice. Unintentionally. So response is very nice; I'd compare it to a lightweight flywheel... without the chatter. shifting feels a lot smoother as well.

CF doors are bad ass.. but you basically lose all the capabilities of using your windows. Unless you can find someone that can some how reinforce the inside of the doors to hold the motor and then you probably should run a lexan side window, to keep wieght down on the door. End state: I think it's possible, but it will take a lot of money to make it work on a DD. Track car... easy, since you don't need all that window crap.
I bet your car hauls a$$. do you track it at all? I would really like to see how that drive shaft performs when really pushed especially paired with those mods.
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Old Sat, Jul-28-2012, 02:42:30 AM   #10
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Default Re: Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car!

How do you plan to detach it from the diff if you need to do anything that requires the driveshaft to come out?

(that's why I refused to install it and sent it back-- seemed like the only way to remove it for work was to snap it in half).
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Discussing Carbon Fiber driveshaft... where to find one? OH! It's on Tarmac's car! in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)