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      12-02-2010, 07:33 PM   #1
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HP Autowerks E9X M3 Coilovers Using AST Struts with Swift Springs

Proven on the street and track, this system is unmatched by any other system on the market. HP Autowerk's AST dampers matched with our custom Swift springs offer superb street manners and unmatched cornering capabilities for the track. Offering separate external compression(Double Adjustable Only) and rebound adjusters, the dampers can be tuned from street comfort to a full race setup in a matter of minutes.

We use the highest quality motorsport springs sourced from Swift. Why Swift?

Swift's R & D team created material, called H5S.TW, which is stronger then regular silicone chrome material. Because of this material, we could make the spring wire thinner, and could wind the springs with fewer coils, which greatly decreased weight while dramatically increasing available stroke.

We also use thrust sheets where possible. Here is why:

Thrust sheets provide a variety of benefits to coilover systems. As a spring becomes compressed the coils attempt to distribute the energy by unwinding. This is called twisted force. The unwinding makes the spring rate irregular. By allowing the spring to smoothly rotate around the perch during compression, the spring rate will return to normal. Thrust sheets also help dampening and rebound of struts too. Thrust sheet?s bearing action allowing the rotation of a spring allow the load on the spring to be more evenly Distributed which reduces lateral shock shaft load. Increased lateral load on shock shafts cause a reduction in the struts ability to rely on valves for dampening force.

$3717 retail

$3345.30 sale price! Quantities are limited

To order:
http://www.hpashop.com/product.sc?pr...categoryId=216

We are located in Santa Barbara, CA but we ship worldwide and have many satisfied customers around the globe. Please shoot us an email or give us a call and we are more than happy to help you.
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Last edited by HP Autosport; 01-20-2012 at 08:15 PM.
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      12-02-2010, 09:52 PM   #2
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Would it be possible to get some more info on the different AST shock series?
AST is very popular with the E46 M3 guys for the past few years.
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      12-03-2010, 12:52 PM   #3
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What sort of information are you looking for? As in rebound, compression, external reservoirs, etc?
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      12-05-2010, 07:04 PM   #4
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Quote:
Originally Posted by HP Autowerks View Post
What sort of information are you looking for? As in rebound, compression, external reservoirs, etc?
Difference between 4100, 4200, 5100, 5200, 5300 series??

5200, 5300 uses external canisters I believe right?

So what series would you recommend for a DD with about 6-8 track days a year?
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Last edited by STALKER; 12-05-2010 at 07:17 PM.
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      12-06-2010, 12:05 AM   #5
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Quote:
Originally Posted by STALKER View Post
Difference between 4100, 4200, 5100, 5200, 5300 series??

5200, 5300 uses external canisters I believe right?

So what series would you recommend for a DD with about 6-8 track days a year?
5000 series uses inverted front struts for added strength. 5200 and 5300's uses external canisters, you are correct.

For a DD with 6-8 events a year, 4100 or 4200's would be good. No need to spend money for 5000's unless your budget allows.
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      12-06-2010, 10:54 PM   #6
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So sexy...
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      12-06-2010, 11:32 PM   #7
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2008 BMW E90 M3  [3.80]
I can't wait til i get the money but i'm driving straight to HP to get the car fully tuned up with this suspension.

I spoke with the driver/owner of the green E36(?) i believe and he spoke worlds of wonder about the quality of the suspension and your service... you guys definitely know your stuff
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      12-06-2010, 11:33 PM   #8
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Are these adapted from non E9X or E46?
Sold any sets?
What sort of spring rates do you recommend?
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      12-06-2010, 11:48 PM   #9
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Quote:
Originally Posted by STALKER View Post
Are these adapted from non E9X or E46?
Sold any sets?
What sort of spring rates do you recommend?
Struts are very simlar in compression and rebound travel on the E9x chassis so make sense to use them. If you were to look at KW, TCK Racing, Ohlins and many others do basically the same. The rear dampers are similar to E46M3 specs, again with very similar compression and rebound travel.

A couple of sets have been sold, one with 400F and 800R, and the other with 450F and 900R.
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      02-15-2011, 11:19 PM   #10
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For those who PM and emailed me, camber plates are a must for these AST coilover kits.
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      02-17-2011, 12:00 PM   #11
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Damn, these are nice!
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      03-21-2011, 01:53 PM   #12
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bump
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      03-22-2011, 02:50 PM   #13
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Are these under any sort of warranty like the V3's?

PM me please
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      03-27-2011, 06:35 PM   #14
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Just a friendly bump for Harold and these dampers. I have 5200's on my 135i currently. I put M3 camber links on the rear so I will be able to put them on my E90 M3 when it arrives. Likely am going to upgrade to the 5300's. The nice thing about the 5000 series is that they are modular and can be upgraded when desired.

This is the best combination for street comfort and track I have ever experienced. I love these things. So much so that I'm putting a set on my E30 M3 (4200's).
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      06-28-2011, 11:35 PM   #15
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Quote:
Originally Posted by Justin(OKC) View Post
Just a friendly bump for Harold and these dampers. I have 5200's on my 135i currently. I put M3 camber links on the rear so I will be able to put them on my E90 M3 when it arrives. Likely am going to upgrade to the 5300's. The nice thing about the 5000 series is that they are modular and can be upgraded when desired.

This is the best combination for street comfort and track I have ever experienced. I love these things. So much so that I'm putting a set on my E30 M3 (4200's).
5300's will work well on the E9x M3.
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      06-28-2011, 11:54 PM   #16
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i'd love to find out more inof on the 5000 series suspension and pricing
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      07-14-2011, 07:46 AM   #17
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Harold are these in stock at this time as it says on your website?
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      08-19-2011, 01:19 AM   #18
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Quote:
Originally Posted by dawgdog View Post
Harold are these in stock at this time as it says on your website?
4100 single adjustables are in stock!
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      08-29-2011, 07:26 PM   #19
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Quote:
Originally Posted by HP Autowerks View Post
4100 single adjustables are in stock!
I thought AST did not make 4100s for the E9X M3?
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      08-29-2011, 07:37 PM   #20
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Quote:
Originally Posted by STALKER View Post
I thought AST did not make 4100s for the E9X M3?
You don't want 4100's
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      08-29-2011, 07:40 PM   #21
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Quote:
Originally Posted by Justin(OKC) View Post
You don't want 4100's
I was just asking.

I would go 4200s.
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      08-29-2011, 07:49 PM   #22
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Quote:
Originally Posted by STALKER View Post
I was just asking.

I would go 4200s.
LOL....I was just playin' I hope to have 4200's on my E30 M3 this Fall and I'm sure they will be awesome. I have not doubt 4100's are great (lots of E30 guys running them and are very happy), but it's nice to have the adjustability. I like the modular design of the 5000 series. Sure made it nice to upgrade from 5200's to 5300's with a small amount of cash!

You going to do AST's when you sell the KW's?
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