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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > Bilstein B8 and Eibach Pro-Kit Springs - Need your feedback
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      06-19-2019, 11:52 PM   #23
dsc888
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Quote:
Originally Posted by FaRKle! View Post
I recommend people use the Eibach Euro catalog site when looking up PNs and kits as it's much more detailed than the US site.

I'm running the F11-20-030-03-VA front spring from the E10-20-031-05-22 335/340ix kit on my 4cyl xdrive car. Hub to fender measurement is 13-7/8".

The 335/340ix front will sit lower than my car in this pic:
Yeah. It looks like the US Eibach site is only showing me the mild drop 06-22 springs vs the more moderate 05-22 kit.

In some way, I'm a bit nervous dropping the car by 35mm in the front as my front splitter is already scraping on some driveways unless I approach very slowly at an angle with my current stock Xdrive ride height.

The funniest part is that the US Eibach site specially notes that the 06-22 springs were "tested with stock shocks" indicating that they believe the car will be properly dampened with the OEM LCI shock absorbers. I wonder if the LCI shocks can actually handle the increase rates of the Eibach springs as BMW seem to say that they made the later shocks dampen better after all the complaints of floatiness while cornering.
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      06-20-2019, 04:11 AM   #24
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ELECTRONIC PROBLEMS with B8

Quote:
Originally Posted by murphius1118 View Post
Anyone running this suspension setup and can provide some feedback regarding performance, drive-ability, overall comfort, handling improvements, etc...??

I have a complete set of Bilstein B8's sitting in my basement and ready to pull the trigger on the Eibach Pro-Kit. I'm looking for moderate lowering and associated performance & handling gains of a progressive spring set up. No track time...simply daily street driving on suburban roads. I'm not considering coilovers so please refrain from that sales pitch
Hi everyone!
I have just both a second hand BMW 320xi Touring Luxury. I used to drive sporty but now with two kids an wife I don't do that but I like to feel the car. That "new" car feels floaty and bouncy in highways. In road mountains, it's ok (for my needs and circumstances) so I am thinking to install a B12 kit or B8+Eiback's springs.

BUT the BMW dealer here in Barcelona has said to me that I can change the springs but I shouldn't change the shocks because of that causes a lot of electronic problems.

Any news about that?

THANK you in advance for your thoughts!
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      06-20-2019, 04:16 AM   #25
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Quote:
Originally Posted by Josspeed View Post
Hi everyone!
I have just both a second hand BMW 320xi Touring Luxury. I used to drive sporty but now with two kids an wife I don't do that but I like to feel the car. That "new" car feels floaty and bouncy in highways. In road mountains, it's ok (for my needs and circumstances) so I am thinking to install a B12 kit or B8+Eiback's springs.

BUT the BMW dealer here in Barcelona has said to me that I can change the springs but I shouldn't change the shocks because of that causes a lot of electronic problems.

Any news about that?

THANK you in advance for your thoughts!
Do you have the adaptive shocks?
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      06-20-2019, 04:20 AM   #26
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NO
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      06-20-2019, 08:15 AM   #27
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      06-20-2019, 11:01 AM   #28
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Quote:
Originally Posted by Josspeed View Post
NO
Then there shouldn't be any electronics issues with swapping your already passive shocks/struts to Bilsteins.

Heck even if you have adaptive dampers you can just code it out like I did.
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      06-20-2019, 12:39 PM   #29
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Quote:
Originally Posted by FaRKle! View Post
Then there shouldn't be any electronics issues with swapping your already passive shocks/struts to Bilsteins.

Heck even if you have adaptive dampers you can just code it out like I did.
Thanks FaRKle, I agree with you
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      06-20-2019, 12:40 PM   #30
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So the best option for my 320ix F31 would be the B12 kit ?
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      06-20-2019, 01:57 PM   #31
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Quote:
Originally Posted by Josspeed View Post
So the best option for my 320ix F31 would be the B12 kit ?
Its the cheapest option, apart from springs on it own.
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      06-20-2019, 02:01 PM   #32
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You mean to keep the original springs and change just the shocks?
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      06-20-2019, 02:15 PM   #33
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Quote:
Originally Posted by Josspeed View Post
You mean to keep the original springs and change just the shocks?
Its never recommended to use stock springs with aftermarket struts and vice versa. Assuming lowering of the vehicle is the intention.
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      06-21-2019, 03:02 AM   #34
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Thank you!!!
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      06-21-2019, 03:05 AM   #35
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Honestly, I don't care about lowering the car I just want to feel the car, feeling what's going on behind me. I don't have feedback. That car feels floaty and bouncy in highways.
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      06-21-2019, 03:26 AM   #36
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Quote:
Originally Posted by xpro View Post
I also have a B12 kit to be fitted but with 05-22 springs set.

The online catalogue only lists 05-22 for the 335xd's and for example for 330xd's both the 06-22 and 05-22 are listed, even tho those 2 cars are identical apart from twin turbos.

Im not sure if this is just a glitch in the website or whoever wrote it up, but I also decided to go with 05-22.

What confirmed it to me was the ACS spring part numbers.
ACS always looked a bit a lower and nicer, and thats cause they use 05-22 kit since their revision.
According to ACS all F30 3.0 Xdrives share the same springs.
Thank you again for all the information you posted in this thread! After rereading every single post and thread, I pulled the trigger on the E90-20-031-05-22 B12 kit and bought from a Polish seller on eBay as nobody in the USA seems to have any B8 shocks in stock.

Like practically every F30 owner who cares and knows how a proper sport sedan is supposed to handle, I just can't get over the floatiness of the suspension despite the LCI updates. I want to my car to inspire confidence. I don't have the adjustable dampers on my current 340i xDrive base suspension. Next mod will have to be non RFT tires to offset the firmer suspension and to get rid of the harshness of the OEM tires. And finally maybe H&R sway bars.

I will post pics once I receive and install the kit. I don't know how hard it is to install with hand tools and floor jacks. So I might pay a local indy shop to do it for me instead. Either way, I'm super excited. Good luck to all those F30 owners who are also following this upgrade path!
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      06-21-2019, 08:18 AM   #37
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Quote:
Originally Posted by Josspeed View Post
Honestly, I don't care about lowering the car I just want to feel the car, feeling what's going on behind me. I don't have feedback. That car feels floaty and bouncy in highways.
The closer the car is to the road, the better it handles. So most suspension improvements involve lowering the vehicle to some degree.
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      06-21-2019, 02:30 PM   #38
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Quote:
Originally Posted by dsc888 View Post
Thank you again for all the information you posted in this thread! After rereading every single post and thread, I pulled the trigger on the E90-20-031-05-22 B12 kit and bought from a Polish seller on eBay as nobody in the USA seems to have any B8 shocks in stock.

Like practically every F30 owner who cares and knows how a proper sport sedan is supposed to handle, I just can't get over the floatiness of the suspension despite the LCI updates. I want to my car to inspire confidence. I don't have the adjustable dampers on my current 340i xDrive base suspension. Next mod will have to be non RFT tires to offset the firmer suspension and to get rid of the harshness of the OEM tires. And finally maybe H&R sway bars.

I will post pics once I receive and install the kit. I don't know how hard it is to install with hand tools and floor jacks. So I might pay a local indy shop to do it for me instead. Either way, I'm super excited. Good luck to all those F30 owners who are also following this upgrade path!

At least you got sorted. I took me forever searching for the B12. A very very few sellers in the EU still have them in stock, but apparently Bilstein B6/B8's are in the production as we speak and expect to have them back on the shelves at the start of the next month.

Fitting wise, a few tools is needed like springs compressor and so on..


Good Luck..

Ps: here's my b12 waiting to be fitted next week.



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      06-21-2019, 11:53 PM   #39
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Quote:
Originally Posted by xpro View Post
At least you got sorted. I took me forever searching for the B12. A very very few sellers in the EU still have them in stock, but apparently Bilstein B6/B8's are in the production as we speak and expect to have them back on the shelves at the start of the next month.

Fitting wise, a few tools is needed like springs compressor and so on..


Good Luck..

Ps: here's my b12 waiting to be fitted next week.
Best wishes to a proper install to you! Please post pics once yours are fitted.

Threads like this really helps fellow enthusiasts figure out which option they like and what outcomes to expect. It took me almost 2 years of research and look through many threads to finally settle on what sort of suspension upgrade would work for me.

And yes, I definitely need to pick up a few tools on top of my tried and true Craftsman Metric and SAE socket set and torque wrench.
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      06-22-2019, 12:52 AM   #40
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Bilstein B8's and Eibach Pro Springs
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      06-22-2019, 09:51 AM   #41
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been reading this thread and many others and hear from many others.

Can someone please state which spring set is right for my 2016 435i xDrive coupe with M adaptive dampers?

can I use both options or am I stuck with just the -06?
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      06-22-2019, 03:27 PM   #42
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Quote:
Originally Posted by CRAMAZIN View Post
been reading this thread and many others and hear from many others.

Can someone please state which spring set is right for my 2016 435i xDrive coupe with M adaptive dampers?

can I use both options or am I stuck with just the -06?
Have a look here and see what your options are:

http://web2.carparts-cat.com/default...04&14=4&12=100
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      06-28-2019, 09:34 PM   #43
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Quote:
Originally Posted by bmw22915 View Post
Bilstein B8's and Eibach Pro Springs
440xi GC
And those are 19's right! Any feedback on the ride feel?
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      06-28-2019, 09:49 PM   #44
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Quote:
Originally Posted by bimmerluver View Post
Quote:
Originally Posted by bmw22915 View Post
Bilstein B8's and Eibach Pro Springs
440xi GC
And those are 19's right! Any feedback on the ride feel?
Yes 19x8.5 in the front and 19x9.5 in the rear. Rides perfectly with go flats
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