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  #1  
Old 10-16-2020, 12:40 AM
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lightweight flywheel

So I am going to change my clutch on the 01 X5 3.0. And I was wondering if a lightweight flywheel kit for a e46 fit on the X. I dont want to break the bank either. The X has 248k miles and i can feel the clutch starting to fail.

I also looked into oem clutch but...do i need the special tool? What will be the condition of the OE flywheel?

I am not going to ask about pros and cons because I already did that research.
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  #2  
Old 10-16-2020, 06:28 AM
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You'll never know the flywheel condition until you get it exposed.

You'll need to get it surfaced at minimum.

As for a lighter flywheel, it all depends on your driving style. More inertial mass can get you going as well.
There is an RPM acceleration factor with lighter flywheels.

There are formulas to calculate what it would be for your application.

On my 2000 540i M Sport, I removed the hydraulic valve that slowed the clutch release. Made a big difference for shifting.
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Old 10-16-2020, 08:31 AM
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I have an 8 pound flywheel in my E53. I would never go back to stock. I also highly recommend CDV delete.
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Old 10-16-2020, 08:36 AM
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Quote:
Originally Posted by Happy View Post
I have an 8 pound flywheel in my E53. I would never go back to stock. I also highly recommend CDV delete.
Do you mind sharing a link for it? Was it specifically for X5? The reason I ask is because there is a lot for the e46 and few for the x5. That said the prices for the e46 are cheaper.
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E53 X5 4.4 05-the beast working on a 4.8tu swap. possibly 6MT
E53 X5 3.0 5M/T 01-sold-coming back ETA 22SEPT18 Its back
R56 Mini Cooper S 07-sold. I should have keept it
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Old 10-16-2020, 08:53 AM
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Quote:
Originally Posted by tartilla View Post
You'll never know the flywheel condition until you get it exposed.

You'll need to get it surfaced at minimum.

As for a lighter flywheel, it all depends on your driving style. More inertial mass can get you going as well.
There is an RPM acceleration factor with lighter flywheels.

There are formulas to calculate what it would be for your application.

On my 2000 540i M Sport, I removed the hydraulic valve that slowed the clutch release. Made a big difference for shifting.
Right and because i have 247k on it I'm sure it will need surfaced. Abs because the price difference is not that much between oe and aftermarket I'm not sure wich one to get. I do plan to remove the valve.
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E30 318i 91-sold
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E36 M3 98-sold
E53 X5 4.4 05-the beast working on a 4.8tu swap. possibly 6MT
E53 X5 3.0 5M/T 01-sold-coming back ETA 22SEPT18 Its back
R56 Mini Cooper S 07-sold. I should have keept it
E83 X3 3.0-the wife's
E36 M3 97 - The new project - sold
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Old 10-16-2020, 09:46 AM
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lightweight flywheel

Quote:
Originally Posted by Emory39 View Post
Do you mind sharing a link for it? Was it specifically for X5? The reason I ask is because there is a lot for the e46 and few for the x5. That said the prices for the e46 are cheaper.
http://store.uucmotorwerks.com/light...dels-p285.aspx

It appears UUC has done away with all E53 products. What a bummer! Itís getting harder and harder to find anything for these vehicles.

The link that I sent you, I believe, is the kit they used in my E53. I would definitely double check. But I believe it is a proper fit. You will need to delete CDV with this type of kit. If this kit is indeed compatible with the E53, then you may be able to use other brands and products with different specs and different prices to meet your need.

Quote:
Originally Posted by Emory39 View Post
Right and because i have 247k on it Iím sure it will need surfaced. Abs because the price difference is not that much between oe and aftermarket I'm not sure wich one to get. I do plan to remove the valve.
I was told by a BMW repair facility general manager, in whom I highly trust, that the dual mass flywheel is not a serviceable item and needs to be replaced. He followed up that, although surfacing will give you a clean surface again, the springs in the dual mass setup are worn, and not replaceable.

I am actually surprised that you were able to get 247k on that flywheel. I was only able to get around 140k. Itís possible that it is broken and replacing may change your driving experience completely. I was surprised by the impact the dual mass flywheel had on the shifting and driving experience of my E53. Changing out my broken one not only made shifting smoother, it removed stalls between shifting and deceleration that I was experiencing.
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Old 10-16-2020, 10:44 AM
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Quote:
Originally Posted by Happy View Post
I am actually surprised that you were able to get 247k on that flywheel. I was only able to get around 140k. Itís possible that it is broken and replacing may change your driving experience completely. I was surprised by the impact the dual mass flywheel had on the shifting and driving experience of my E53. Changing out my broken one not only made shifting smoother, it removed stalls between shifting and deceleration that I was experiencing.

Good to know... mine feels weird...like I drove an auto x5 3.0 and that one feels stronger than mine...Thanks for the link I am checking it out now.
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E30 318i 91-sold
E39 528i 00-rebuild at136K -sold
E36 M3 98-sold
E53 X5 4.4 05-the beast working on a 4.8tu swap. possibly 6MT
E53 X5 3.0 5M/T 01-sold-coming back ETA 22SEPT18 Its back
R56 Mini Cooper S 07-sold. I should have keept it
E83 X3 3.0-the wife's
E36 M3 97 - The new project - sold
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  #8  
Old 10-16-2020, 10:57 AM
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$1200 for a new clutch and lightweight flywheel is not as bad as I thought (long as it actually fits).



I would like to do this if my clutch ever wears out too. Thanks for sharing.
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Old 10-16-2020, 10:57 AM
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If you were to use that kit, I would use the E34 M5 stock clutch. It will be more than sufficient, and keep cost down.
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Old 10-16-2020, 10:59 AM
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Quote:
Originally Posted by Bdc101 View Post
$1200 for a new clutch and lightweight flywheel is not as bad as I thought (long as it actually fits).



I would like to do this if my clutch ever wears out too. Thanks for sharing.

That is the reason I went this route. It was cheaper than OEM BMW, and the results are amazing!!!
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