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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Ohlins DFV Road and Track Coilovers BMW E9x 325i 328i 330i 335d 335i



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      09-07-2011, 10:26 PM   #1
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Ohlins DFV Road and Track Coilovers BMW E9x 325i 328i 330i 335d 335i

This is the latest step in the Íhlins Racing automotive philosophy – Road&Track by Íhlins.

A more than 30 year long tradition of high-end racing commitments and state-of-the-art solutions within advanced suspension technology is now available for street cars all over the world.

The focus has been clear from the very beginning

– superior road handling without sacrificing comfort in your day-to-day transports. The time of compromises are over!

We have also added a clever light-weight design with a majority of the parts in aluminium and on top of that all shocks have suffered through vast corrosion tests according to ISO 9227. The end result is a 2-year limited warranty on all of our products - worldwide.

General Features

*DFV (Dual Flow Valve)

*Rebuildable

*Corrosion salt spray tested (ISO 9227)

*2 year Limited Warranty

Front

McPherson Strut

*Single bleed adjuster

*Spring preload adjuster

(approx. 15 mm lower than standard)

*Coil Springs (rate 60N/mm)

*Dustcovers

*Use with original top mounts or camber plates

Rear

Conventional Shock Absorber

*Single bleed adjuster

*Separate spring preload adjuster (approx. 15 mm lower than standard)

*Coil Springs (rate 70N/mm)

*Dustcovers

*Use with original top mounts

***Custom Swift Springs are also available. 336F and 672R shown here.***

Other Ohlins applications:

◦Honda S2000
◦Infinity G35
◦Lexus IS-F, IS 350, IS 250, GS 460
◦Lotus Elise/Exige
◦Mazda Miata MX5 1990 - 2005
◦Mazda Miata MX5 2006 - Current Models
◦Mazda RX-7
◦Mazda RX-8
◦Mini Cooper
◦Mitsubishi Lancer, EVO VII-IX 2001 - 2007
◦Mitsubishi Lancer, EVO X 2007 - Current Models
◦Nissan 350Z
◦Nissan Skyline GT-R R34
◦Porsche 996 Carrera
◦Porsche 996 GT3
◦Porsche 997 Carrera
◦Subaru Impreza STi
◦VW Golf 5


For more information:

http://www.hpashop.com/product.sc?pr...categoryId=174
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Last edited by HP Autosport; 07-17-2012 at 11:35 PM.
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      09-08-2011, 12:25 AM   #2
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Very cool stuff. Have you done any testing with it, Harold?
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      09-08-2011, 01:36 AM   #3
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Quote:
Originally Posted by e90pilot View Post
Very cool stuff. Have you done any testing with it, Harold?
Sold a few sets.

This is the first in-house install with upgraded Swift springs. The buyer, a 1addicts.com member will be doing a review on it.

There is no question Ohlins is one of the top notch damper builders out there. The performance of this Road and Track kit should be at the same level as the AST 5100s.

Last edited by HP Autosport; 09-08-2011 at 01:42 AM.
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      09-08-2011, 11:40 PM   #4
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      09-09-2011, 01:28 AM   #5
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Quote:
Originally Posted by e90pilot View Post
Very cool stuff. Have you done any testing with it, Harold?
No real testing. Just installed with upgraded Swift springs 6kg front and 12 kg rear rates. Car rides so smooth, better than anything else I have experienced at this type of rate. Koni and KW can't even touch it. AST is usually on the firmer side with this rate. If I didn't tell you this car had a coilover system, you would never have noticed driving the car on streets or at least not until you take a few corners with it. If you are looking for better than stock ride with improved handling performance, this is it! The DFV technology works, I felt the difference.

Guys with gf and wife riding in or drive the car this is for you! Putting make-up on in this car while moving is not an issue at all. No more lips stick on the chin or nose.

For the HPDE and weekend track guys, this is still an entry level monotube system so don't expect go-cart like handling out of the box. Some custom rate springs and proper tuning of damper settings can further improve this already excellent coilover system.
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      09-09-2011, 11:25 AM   #6
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well if you need to send me some this way. We have crap roads in Louisiana. I'll do all the testing you want. We even have a couple road courses out here I can try it on.

I see they are wife and GF approved...what about mother approval???
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      09-09-2011, 01:25 PM   #7
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Quote:
Originally Posted by HP Autowerks View Post
Guys with gf and wife riding in or drive the car this is for you! Putting make-up on in this car while moving is not an issue at all. No more lips stick on the chin or nose.
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      09-09-2011, 02:06 PM   #8
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      09-09-2011, 02:50 PM   #9
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Harold,

Did you get a chance to try them rock stock, out of the box? Are the springs that come with them that inferior to the Swifts? What else was done to that 1er...did it have an M3 front sway and stock rear? That would explain the strong increase in rear spring rate...

Either way Harold, I think you can be expecting an order from me very soon.
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      09-09-2011, 04:23 PM   #10
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Quote:
Originally Posted by e90pilot View Post
If you need fillings removed, just take a ride in my car.
That seems to be the consensus abouth the Dinan suspension kit and why I didn't go w/it.
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      09-09-2011, 04:27 PM   #11
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Quote:
Originally Posted by HP Autowerks View Post
No real testing. Just installed with upgraded Swift springs 6kg front and 12 kg rear rates. Car rides so smooth, better than anything else I have experienced at this type of rate. Koni and KW can't even touch it. AST is usually on the firmer side with this rate. If I didn't tell you this car had a coilover system, you would never have noticed driving the car on streets or at least not until you take a few corners with it. If you are looking for better than stock ride with improved handling performance, this is it! The DFV technology works, I felt the difference.

Guys with gf and wife riding in or drive the car this is for you! Putting make-up on in this car while moving is not an issue at all. No more lips stick on the chin or nose.

For the HPDE and weekend track guys, this is still an entry level monotube system so don't expect go-cart like handling out of the box. Some custom rate springs and proper tuning of damper settings can further improve this already excellent coilover system.
Sounds like what I was trying to accomplish; this would have to wait for me now
Can you expect the same longevity w/these dampers as say Koni?
What's the range of height adjustment; how close to stock zsp ride height can you get?
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      09-09-2011, 10:03 PM   #12
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Harold, at 6kg front and 12kg rear, do you think that rear subframe bushings are necessary for a street car?
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      09-09-2011, 11:01 PM   #13
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Quote:
Originally Posted by HP Autowerks View Post
No real testing. Just installed with upgraded Swift springs 6kg front and 12 kg rear rates. Car rides so smooth, better than anything else I have experienced at this type of rate. Koni and KW can't even touch it. AST is usually on the firmer side with this rate. If I didn't tell you this car had a coilover system, you would never have noticed driving the car on streets or at least not until you take a few corners with it. If you are looking for better than stock ride with improved handling performance, this is it! The DFV technology works, I felt the difference.

Guys with gf and wife riding in or drive the car this is for you! Putting make-up on in this car while moving is not an issue at all. No more lips stick on the chin or nose.

For the HPDE and weekend track guys, this is still an entry level monotube system so don't expect go-cart like handling out of the box. Some custom rate springs and proper tuning of damper settings can further improve this already excellent coilover system.
Now you tell me when I already pulled the trigger on ASTs.. jking
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      09-10-2011, 12:00 AM   #14
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Quote:
Originally Posted by Motion View Post
From where I ended up, this coil overs should allow stock sport or none sport height as well as up to 2" of lowering.
+1...They allow for huge range of adjustment from higher than stock to really dumped....primarily the reason i went w them as I didnt want to run much lower than stock height
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      09-10-2011, 12:03 AM   #15
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Quote:
Originally Posted by Motion View Post
From where I ended up, this coil overs should allow stock sport or none sport height as well as up to 2" of lowering.

That was on my buddy's car.

HP may have have different results.
Yes, that is about right. Great adjustment range.

Quote:
Originally Posted by cvc 22349a View Post
Sounds like what I was trying to accomplish; this would have to wait for me now
Can you expect the same longevity w/these dampers as say Koni?
What's the range of height adjustment; how close to stock zsp ride height can you get?
I expect these to last just as long as the Koni's. The built quality is superb.

Quote:
Originally Posted by jlh335i View Post
Harold, at 6kg front and 12kg rear, do you think that rear subframe bushings are necessary for a street car?
12kg will be the limit. Anything higher you will need those M3 bushings for sure.
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      09-10-2011, 08:36 AM   #16
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      09-10-2011, 10:46 AM   #17
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Harold,

What are the spring rates in lbs with this c/o kit?
Do your thrust sheets work with this kit?
Does this kit fit the M3 rear lower control arms or is it designed to work with oe?
Can you post the additional cost of switching to Swift springs on your website?
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      09-10-2011, 12:38 PM   #18
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Quote:
Originally Posted by cvc 22349a View Post
Harold,

What are the spring rates in lbs with this c/o kit?
Do your thrust sheets work with this kit?
Does this kit fit the M3 rear lower control arms or is it designed to work with oe?
Can you post the additional cost of switching to Swift springs on your website?
This is an oe setup, not a conversion kit as listed above.

Spring rates are also in the OP, converted it's 336 front and 400 rear.

Swift spring upgrade will run you $570(with HPA rear height adjusters) and I will toss in the $50 worth of thrust sheets.
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      09-10-2011, 05:03 PM   #19
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Quote:
Originally Posted by cvc 22349a View Post
Harold,
What are the spring rates in lbs with this c/o kit?
Do your thrust sheets work with this kit?
Does this kit fit the M3 rear lower control arms or is it designed to work with oe?Can you post the additional cost of switching to Swift springs on your website?

Quote:
Originally Posted by HP Autowerks View Post
This is an oe setup, not a conversion kit as listed above.
Spring rates are also in the OP, converted it's 336 front and 400 rear.
Swift spring upgrade will run you $570(with HPA rear height adjusters) and I will toss in the $50 worth of thrust sheets.
I think this is a typo..

6Kg- 336
12kg- 672

Here is Swift's springs spec sheet.

Swift Coil Over Springs _Parts & Spec Sheet.pdf

Is this now the default spring rates you offer w you coilover setups?..b/c I did recall you use to recommend 392/784..last year
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      09-10-2011, 05:19 PM   #20
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^ I was asking about the Ohlins springs that come with the c/o kit.
It states 60 N/mm front and 70N/mm rear (whatever that translates to in lbs).
If it's really 336 lbs F and 400 lbs R, that seems out of whack. That rear rate is softer than zsp rear springs
For the swift springs, Harold has been recommending 336F, 672R for primarily street driven cars.
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      09-10-2011, 05:19 PM   #21
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Quote:
Originally Posted by tibra1 View Post
I think this is a typo..

6Kg- 336
12kg- 672

Here is Swift's springs spec sheet.

Attachment 577627

Is this now the default spring rates you offer w you coilover setups?..b/c I did recall you use to recommend 392/784..last year
That was the springs came with the Ohlins R&T kit. 6kg front and 7kg rear. In this particular setup on a 135i we went with 6kg front and 12kg rear.
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      09-10-2011, 05:32 PM   #22
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Quote:
Originally Posted by HP Autowerks View Post
That was the springs came with the Ohlins R&T kit. 6kg front and 7kg rear. In this particular setup on a 135i we went with 6kg front and 12kg rear.
So, the Ohlins dampers are able to handle the big increase in rear spring rate 672 v. 400?
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