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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > Installed: ACS springs with Bilstein B6's on F30 xDrive
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      02-27-2017, 07:10 PM   #45
mtenhoven
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Originally Posted by R330dx View Post
mtenhoven

Any idea if you are running the stock rear bump stops with your setup ?

I found with b6 & acs when settled down the rear was sat on the bump stops. the acs springs dropped around 25mm on the rear and the stock springs only have 25mm gap for the bump stops.
Yes, the stock rear bump stops are in place. I have not noticed any times when the rears hit the stops.

I had one incident when the front left did due to an unusual swell in the road near a manhole cover.
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      02-28-2017, 02:12 AM   #46
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Originally Posted by mtenhoven View Post
Yes, the stock rear bump stops are in place. I have not noticed any times when the rears hit the stops.

I had one incident when the front left did due to an unusual swell in the road near a manhole cover.
yes, I think the combination of the quality b6 damper control and progressive stops masks the suspension travel very well.
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      05-08-2017, 10:58 PM   #47
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Originally Posted by TO 335 View Post
I just went with Dinan-b6 route trust me the bouncy ride is gone. The car is stiff handling wise you think your driving a completely different car. My rear dropped more then my front which is ok as the xdrive gap was killing me. Overall this is a must do for our cars you wont regret it.
im just about to do the same thing. dinan+B6. how is the ride now since u installed them on the car? how many miles already did u drive since that time?any regrets? or issues? thanks in advance
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      05-09-2017, 08:20 AM   #48
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zero issues zero regrets been driving for 2 months now best mod you can do.
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      05-11-2017, 11:16 PM   #49
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zero issues zero regrets been driving for 2 months now best mod you can do.
I'm also in Toronto. Do you mind to share where and how much you get the parts for, and where you installed them at what cost? Thanks.
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      05-14-2017, 02:03 AM   #50
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zero issues zero regrets been driving for 2 months now best mod you can do.
gotcha brother. thanks a lot to confirm the info. i placed the order for struts. now waiting for them
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      05-14-2017, 02:07 AM   #51
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zero issues zero regrets been driving for 2 months now best mod you can do.
pm'ed
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      05-14-2017, 09:05 AM   #52
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Originally Posted by traderonlo View Post
I'm also in Toronto. Do you mind to share where and how much you get the parts for, and where you installed them at what cost? Thanks.
Dinan springs bought from Dinan Calgary BMW shocks from bilsteincanada. They always have some type of long weekend special. Install was done by my good friend who is my mechanic so price will different than a regular shop.
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      05-15-2017, 02:00 PM   #53
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I'm about to do a DIY install of the Dinan Spring/Bump Stops on my 340i xDrive, does the front drive shafts pop out when taking the struts out?
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      05-15-2017, 10:07 PM   #54
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Quote:
Originally Posted by TO 335 View Post
Dinan springs bought from Dinan Calgary BMW shocks from bilsteincanada. They always have some type of long weekend special. Install was done by my good friend who is my mechanic so price will different than a regular shop.
Do you mind sharing how much for the parts and how many labor hours for the install? Thanks.
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      05-17-2017, 03:36 PM   #55
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So has anyone experienced any problems using this setup with stock bumpstops? From another thread, someone mentioned that the damper would be sitting too close to the bump stops and does not provide enough suspension travel.
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      06-16-2017, 07:06 AM   #56
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I may be having a bottoming out problem on the rear with the acs springs and B6 shocks. I am going to put tie wraps on the rear shock rods to see if I am hitting the stops.
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      06-16-2017, 08:20 AM   #57
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Quote:
Originally Posted by Jonpost View Post
I may be having a bottoming out problem on the rear with the acs springs and B6 shocks. I am going to put tie wraps on the rear shock rods to see if I am hitting the stops.
easy enough to check the rear just by putting your hand under the car and pull the stop down to see how much movement there is.
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      06-16-2017, 03:11 PM   #58
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Quote:
Originally Posted by Jonpost View Post
I may be having a bottoming out problem on the rear with the acs springs and B6 shocks. I am going to put tie wraps on the rear shock rods to see if I am hitting the stops.
I swapped the oem bumpstops with a pair of M3 ones to be safe, it's about a few cm shorter and allows a bit more suspension travel. The shop told me that they usually just cut the stock bump stops and i could've saved 40 bucks, oh wells....
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      06-17-2017, 05:18 AM   #59
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I have a F31 335d X drive with 2VF M Sport adaptive suspension, 70k miles

Having borrowed an new standard M sport saloon I realside how bad mine is

What options do I have ?
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      06-17-2017, 10:26 AM   #60
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Thanks R330dx and pentagon. I even have a local suspension tuner near me. Rob Schermerhorn at Delta Vee Motorsports LLC is only 5 mi from me. They do suspensions for BMW, Corvette, Porsche, and Ferrari although I'm not looking for a set of coilovers $$$.
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      06-30-2017, 10:44 AM   #61
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Here is my review after 3 weeks with ~300 miles.

The setup fixed most of the body roll around corners and is quite comfortable on smooth pavement. The stiffness really shows on coarse or brick roads, you can literally feel every crack on the surface. Backroad driving is a lot more fun now and i feel this is well worth the money
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      02-14-2018, 07:53 PM   #62
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Quote:
Originally Posted by mtenhoven View Post
Below are some additional photos... I will say the combo has broken in nicely.

Before:
Attachment 1461422

Attachment 1461423

After:
Attachment 1461424

Attachment 1461425
I like this rake better than the Dinan rake. Nice job
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      02-23-2018, 09:41 PM   #63
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Thank you! Still pleased with my decision.
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      03-13-2018, 11:34 PM   #64
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Quote:
Originally Posted by pentagon View Post
Here is my review after 3 weeks with ~300 miles.

The setup fixed most of the body roll around corners and is quite comfortable on smooth pavement. The stiffness really shows on coarse or brick roads, you can literally feel every crack on the surface. Backroad driving is a lot more fun now and i feel this is well worth the money
I'm not sure if you're still around, but how has the ride been for you and the longevity of your struts been? I want to do a B6 + Dinan springs set, since it doesn't drop too much and gives you a nice firm ride.
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      03-16-2018, 11:49 PM   #65
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Hi,

Over 12k miles, no issues. Still drives like it did after install.
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      03-18-2018, 01:56 PM   #66
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Quote:
Originally Posted by mtenhoven View Post
Hi,

Over 12k miles, no issues. Still drives like it did after install.
Thank you for the speedy reply!

I'm probably gonna go the route of B6 + springs. But if I may ask, why did you choose the ACS springs over Dinan?
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