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      08-01-2014, 12:11 PM   #1
ll1l2l1l2lll
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Spring and Coilover Options

I'm looking for more options for the M235i.. I'd imagine there are more companies that make suspension for this vehicle, I'm curious on what you guys are running.

These are the only ones I've run into from reputable companies:
  1. H&R Sport Springs
  2. KW V3 Coilovers

I'm looking for coilovers specifically since I'm fairly particular on ride height, however, the V3's don't go low enough in the rear. Though I probably will go a few millimeters lower, I'd still like the option to be there, especially with coilovers.


Edit: Recently heard that F30 suspension may work. Can anyone chime in and verify?

Last edited by ll1l2l1l2lll; 08-29-2014 at 01:21 AM..
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      08-01-2014, 04:54 PM   #2
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how low are you trying to go and what is wheel size? Lowest setting on KW V3 will be rubbing your wheels if you run a 19x9.5 or 19x9 with aggressive offsets.
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      08-01-2014, 06:12 PM   #3
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Quote:
Originally Posted by ll1l2l1l2lll
I'm looking for more options for the M235i.. I'd imagine there are more companies that make suspension for this vehicle, I'm curious on what you guys are running.

These are the only ones I've run into from reputable companies:
  1. H&R Sport Springs
  2. KW V3 Coilovers

I'm looking for coilovers specifically since I'm fairly particular on ride height, however, the V3's don't go low enough in the rear. Though I probably will go a few millimeters lower, I'd still like the option to be there, especially with coilovers.

Thanks guys!!
DINAN springs?
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      08-01-2014, 07:03 PM   #4
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just fyi.. any of the spring drops out there will be higher than KW's max drop (I want to say ALL coilovers out there drop lower than springs but can't speak for everyone).

ps. OP, are you kevin lai's friend? haha.. i'm from rowland and your user id sounds familiar
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      08-02-2014, 07:32 AM   #5
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Dinan just introduced new springs -I have been very impressed with them in the past

Quote:
Originally Posted by dharo1
Quote:
Originally Posted by ll1l2l1l2lll
I'm looking for more options for the M235i.. I'd imagine there are more companies that make suspension for this vehicle, I'm curious on what you guys are running.

These are the only ones I've run into from reputable companies:
  1. H&R Sport Springs
  2. KW V3 Coilovers

I'm looking for coilovers specifically since I'm fairly particular on ride height, however, the V3's don't go low enough in the rear. Though I probably will go a few millimeters lower, I'd still like the option to be there, especially with coilovers.

Thanks guys!!
DINAN springs?
Just getting ready to order my m235 coming from a 335 coupe with all Dinan mods. They dialed up the suspension settings on my 335 perfectly but I see that BMW has their own suspension mods. Am debating whether to go stock BMW with their mods or to go with Dinan again. Any thoughts?
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      08-02-2014, 07:36 AM   #6
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      08-03-2014, 05:53 AM   #7
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Quote:
Originally Posted by cbbplanet View Post
how low are you trying to go and what is wheel size? Lowest setting on KW V3 will be rubbing your wheels if you run a 19x9.5 or 19x9 with aggressive offsets.
I don't really plan on going much lower, but I'd like the option to be there to depending on the wheel setup I go with. Not too worried about wheel fitment, at the moment - I can just run higher offsets on the x9 or x9.5 depending on inner clearance.

Quote:
Originally Posted by dharo1 View Post
DINAN springs?
Thanks! I'll definitely look into these, though I'll probably go with KW's coilovers over a set of springs.

Quote:
Originally Posted by cbbplanet View Post
just fyi.. any of the spring drops out there will be higher than KW's max drop (I want to say ALL coilovers out there drop lower than springs but can't speak for everyone).

ps. OP, are you kevin lai's friend? haha.. i'm from rowland and your user id sounds familiar
I'm sure other companies will be working on something soon, was curious if anyone knew of any.
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      08-03-2014, 04:19 PM   #8
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Bilstein lists their PSS10 as a fit for the F22, 30-50mm drop

http://cart.bilsteinus.com/product/48-217170/416230/RWD
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      08-04-2014, 11:10 AM   #9
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Quote:
Originally Posted by escobar929 View Post
Bilstein lists their PSS10 as a fit for the F22, 30-50mm drop

http://cart.bilsteinus.com/product/48-217170/416230/RWD
It also depends a lot on the car's weight. KW V3 stated max drop is 2.4in in rear which is 61mm. However, since F22 is lighter than F30, there will be a height difference.
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      08-06-2014, 02:58 PM   #10
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I'm looking to get the Dinan springs installed. Do most of you guys go to the BMW dealer for this? Dealer quoted me $1000 for install. A tuner shop in town quoted me a $300 flat-fee they charge for spring install. Do you get what you pay for in this case?
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      08-06-2014, 05:09 PM   #11
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Quote:
Originally Posted by samtnel View Post
I'm looking to get the Dinan springs installed. Do most of you guys go to the BMW dealer for this? Dealer quoted me $1000 for install. A tuner shop in town quoted me a $300 flat-fee they charge for spring install. Do you get what you pay for in this case?
1000 for springs install... wow. You could do it yourself with a spare afternoon and a 20$ spring compressor if you are in the mood for it.

Make sure to get the car aligned afterwards because all your angles will be off.
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      08-06-2014, 05:42 PM   #12
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Quote:
Originally Posted by samtnel View Post
I'm looking to get the Dinan springs installed. Do most of you guys go to the BMW dealer for this? Dealer quoted me $1000 for install. A tuner shop in town quoted me a $300 flat-fee they charge for spring install. Do you get what you pay for in this case?
Shops here in Los Angeles charge $175 - 250
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      08-06-2014, 10:01 PM   #13
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Quote:
Originally Posted by cbbplanet View Post
Shops here in Los Angeles charge $175 - 250
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      08-14-2014, 10:02 AM   #14
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Dinan lowers the rear more than the front. I think this would look much better than the H&R drop that leaves the back sitting up high. Wish there were some pics out already.
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      08-14-2014, 02:43 PM   #15
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Quote:
Originally Posted by benes136 View Post
Dinan lowers the rear more than the front. I think this would look much better than the H&R drop that leaves the back sitting up high. Wish there were some pics out already.
Lots of us here in UK running eibach or H&R springs on m135i's with adaptive dampers.

I have H&R sport springs on mine.

Love the level stance (see iPhone photo below), a drop of about 1"/axle.
Ride is stiffer but not silly (important here in uk where roads aren't the smoothest) and it handles like it should from the factory!



PD
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      08-14-2014, 03:10 PM   #16
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      08-14-2014, 03:52 PM   #17
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Dan- Cheers. These have been available in Europe for last 2 years. Good cars but being challenged by offerings from Audi, VW and M-B. None of them have a straight 6 or RWD !!!! Pave.
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      08-21-2014, 10:42 PM   #18
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Spoke with a KW rep the other day and found out the F30 coils and F22 coils share the same part numbers. That being said, it's possible that other suspension alternatives that fit the F30 (CKS coils etc) will be a direct bolt-on for the F22.

All things considered, I'd assume spring rates would still differ with the F30 chassis vs F22
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      08-28-2014, 01:27 AM   #19
ll1l2l1l2lll
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Quote:
Originally Posted by VMRWheels View Post
Spoke with a KW rep the other day and found out the F30 coils and F22 coils share the same part numbers. That being said, it's possible that other suspension alternatives that fit the F30 (CKS coils etc) will be a direct bolt-on for the F22.

All things considered, I'd assume spring rates would still differ with the F30 chassis vs F22
Same part number = same spring rate, no?
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      08-28-2014, 02:51 AM   #20
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Bilstein also do their b16 ride control coil overs.

Lichfield imports in UK have system fitted to their m235i and say lots of positives about it

http://www.litchfieldimports.co.uk/BMW/M235i
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      08-28-2014, 02:21 PM   #21
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Quote:
Originally Posted by ll1l2l1l2lll View Post
Same part number = same spring rate, no?
Theoretically, I'd assume so. Didn't verify though
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      08-28-2014, 05:42 PM   #22
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Im extremely happy with my H&R sport springs. about an inch drop front and rear. Adaptive suspension still perfectly functional and the ride is almost exactly like stock. Plus IMO it looks badass.
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