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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 Thu, Jun-22-2017, 07:31:11 PM   #11
aznbo187
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

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Originally Posted by ECSTuning View Post
Thanks for the feedback! These to me are the perfect blend of race tech for the street like Ian said anything that's not a full blown track car where NVH no longer is an issue these are perfect for, heck even on a track car they aren't a bad option!

The gasket is part of revision 2 (the version we're currently stocking), the install photos are actual of prototypes of the originals, so a few minor changes between those old install shots and the current stock.


We have packages with our reinforcement plates, I'm clearly biased so I'll suggest those to anyone that's listening.

-James
Ordering the kit. Shoulda just added this to my recent order.

James, what about sealed monoball RTABS? A more cost efficient solution like this to the Dinan?

http://www.m3forum.net/m3forum/showthread.php?t=584111
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Old Thu, Jun-22-2017, 08:01:30 PM   #12
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

Thanks for the review Ian.
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Old Thu, Jun-22-2017, 08:40:24 PM   #13
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

Looking forward to hearing(or not as it may be) them in person.
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Old Thu, Jun-22-2017, 08:47:56 PM   #14
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

Very cool product and technically superior to anything else... but.... is there tangible benefit here over a set of new OE mounts? Meaning, can you feel the difference and if so, is the car actually better because of it?
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Old Thu, Jun-22-2017, 08:59:44 PM   #15
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

Shame they can't be mounted with the bolts in the wheel well like the other reinforcement plate type ones that I have. I guess in my coupe with the rear gutted this isn't as big a deal.

Here's the product link, for those interested:

https://www.ecstuning.com/b-ecs-part...02542ecs01kt2/
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Old Thu, Jun-22-2017, 09:04:33 PM   #16
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

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Originally Posted by EricSMG View Post
Very cool product and technically superior to anything else... but.... is there tangible benefit here over a set of new OE mounts? Meaning, can you feel the difference and if so, is the car actually better because of it?
This is what I'm thinking. The shock shaft doesn't move that much at the top where it meets the bushing. The stock M3 RSM is quite stout as is as well (just throw some reinforcement plates under there).

Still a cool product and probably gives a slight sharpness over the OE mount as the small cost of a tiny bit of NVH.
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Old Thu, Jun-22-2017, 09:28:24 PM   #17
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

ECS and TMS are kicking a$$ these days! Cool product added to my wishlist
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Old Thu, Jun-22-2017, 09:31:51 PM   #18
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

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Originally Posted by EricSMG View Post
Very cool product and technically superior to anything else... but.... is there tangible benefit here over a set of new OE mounts? Meaning, can you feel the difference and if so, is the car actually better because of it?
Munich suspicion is that how meaningful it is depends on how precise they shocks you're running are.

I haven't been able to push it hard yet to evaluate that with my setup (ohiins). I did notice it get worse, years ago, when I went from monoball to rubber (with TCK DAs).
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Old Thu, Jun-22-2017, 09:53:31 PM   #19
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

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Originally Posted by Obioban View Post
Munich suspicion is that how meaningful it is depends on how precise they shocks you're running are.

I haven't been able to push it hard yet to evaluate that with my setup (ohiins). I did notice it get worse, years ago, when I went from monoball to rubber (with TCK DAs).
Fair enough, makes sense.

Now get those Turner fcabs in already, dammit!
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Old Thu, Jun-22-2017, 09:57:15 PM   #20
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Default Re: Review: ECS Polyurethane-isolated Monoball RSMs

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Originally Posted by Obioban View Post
I had a chance to install these on my car last weekend, and I'm exceedingly pleased with them! They are completely silent, did not add any perceptible NHV, and being sealed from the bottom should keep the monoball operating freely (and silently) for a long time to come.
Some pictures from ECS's site, because I didn't remember to take any:
this photo from ECS shows a reinforcement plate on the top. and those aren't BMW ones. does it come with reinforcement plates? that makes sense it be a total package for $180
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Discussing Review: ECS Polyurethane-isolated Monoball RSMs 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)