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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 Tue, Nov-21-2017, 05:16:32 AM   #31
EricSMG
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Default Re: Backroads / 'Canyon carving' suspension

Yep,,good stuff. Softer fronts make a huge difference to impact harshness and spring isolators reduce NVH a lot.

Good work. I honestly think you'd be shocked by dropping the rates a bit more all around but if you're happy I'm happy

Edit - also moving to a street plate from a race plate makes a notable difference in impact harshness.
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Old Tue, Nov-21-2017, 09:37:42 AM   #32
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Default Re: Backroads / 'Canyon carving' suspension

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Originally Posted by Obioban View Post
KWV(anything) is too crappy of handling for a canyon carver.

KW Clubsports are too harsh for reasonable street use.
i dont think clubsport spring rates are significantly more stiff than any other boxed coilover on the market
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Old Tue, Nov-21-2017, 12:22:51 PM   #33
Obioban
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Default Re: Backroads / 'Canyon carving' suspension

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Originally Posted by usdmej View Post
i dont think clubsport spring rates are significantly more stiff than any other boxed coilover on the market
There's much more to ride quality than spring rate.
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Old Tue, Nov-21-2017, 09:51:34 PM   #34
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Default Re: Backroads / 'Canyon carving' suspension

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Originally Posted by EricSMG View Post
Yep,,good stuff. Softer fronts make a huge difference to impact harshness and spring isolators reduce NVH a lot.

Good work. I honestly think you'd be shocked by dropping the rates a bit more all around but if you're happy I'm happy

Edit - also moving to a street plate from a race plate makes a notable difference in impact harshness.
yep spot on. one of the things i did awhile ago was to swap out the monoball cambertops to the gc streets
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Old Sat, Dec-02-2017, 10:41:58 PM   #35
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Default Re: Backroads / 'Canyon carving' suspension

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There's much more to ride quality than spring rate.
yes but when you're talking about "stiffness" you're talking about spring rate

if you were suggesting the dampers aren't setup well then then you would expect to use words like overdamped or rough ride?
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Old Sun, Dec-03-2017, 02:08:09 PM   #36
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Default Re: Backroads / 'Canyon carving' suspension

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Originally Posted by usdmej View Post
yes but when you're talking about "stiffness" you're talking about spring rate

if you were suggesting the dampers aren't setup well then then you would expect to use words like overdamped or rough ride?
Stiffness and ride quality are largely directly proportional, and, affected by both spring rate and valving.

For example, if you take a PSS10 and run them at full soft vs full stiff (talking dampers only here) the car will be dramatically more "stiff" as it rolls down the road. Same spring rate, stiffer/tighter valving.

When we say stiff in regards to valving, it means that "more force is required to move the damper the same rate of speed".

It's all semantics, really.
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Old Sun, Dec-03-2017, 02:43:14 PM   #37
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Default Re: Backroads / 'Canyon carving' suspension

Do pss10’s Drive like crap once lowered all the way? I want at least 1” drop and that’s maxing it out for these bilsteins.

Hoping for them to be my next set
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Old Sun, Dec-03-2017, 02:47:20 PM   #38
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Default Re: Backroads / 'Canyon carving' suspension

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Do pss10ís Drive like crap once lowered all the way? I want at least 1Ē drop and thatís maxing it out for these bilsteins.

Hoping for them to be my next set
If you're looking for low, PSSXs are not for you.
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Old Sun, Dec-03-2017, 02:55:35 PM   #39
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Default Re: Backroads / 'Canyon carving' suspension

I don't recall but I think the PSS10 will go lower than 1" by a good bit, maybe half inch more. So, 1" probably isn't lowered all the way and should work pretty well for a 1" drop, all things considered. You won't have large bump capacity (so firmer ride due to bottoming the struts) but otherwise fine.

The Billies limit front travel BUT they've extremely long (like 65mm), stiff, internal bumpstops and so they're really designed to be in the bumpstops at all times. This is partly what give them their super stout characteristics - car only has to lean small amount before the bumpstops resist the roll, depending on static ride height, of course. Sporty handling, firm ride.

That said, any suspension lowered all the way isn't going to work well on the street - the street requires bump capacity.
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Old Sun, Dec-03-2017, 03:58:29 PM   #40
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Default Re: Backroads / 'Canyon carving' suspension

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Originally Posted by Paulo M View Post
Do pss10’s Drive like crap once lowered all the way? I want at least 1” drop and that’s maxing it out for these bilsteins.

Hoping for them to be my next set
My pss10s are maxed out low in rear and a half inch higher ride height in front for proper rake. Although it might technically be slightly higher than with stock rear adjusters (at max low) because I use rouge engineering reinforced perches which are thick rear adjusters.

Ride quality on almost full soft (2) is amazing about as good as stock, you can't the shocks beat crisp dampening. I keep my supensiom now at (9) which is almost full stiff and they still manage to ride not so bad.

My car was slammed once before at a similar height and you know what it rode like total shit... this is how you know Bilstien did a good job is that it's hard to be low and ride well at the same time. It's all about suspension travel and Bilstien has magnaged the science.
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Last edited by mercedesc63; Sun, Dec-03-2017 at 04:07:45 PM.
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Discussing Backroads / 'Canyon carving' suspension 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)