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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Many suspension choices, need some help deciding



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      02-18-2009, 08:10 PM   #1
mikeokimster
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Many suspension choices, need some help deciding

My modding trail has no led me to this point. I have done CF wrap for the interior trim, m3 tri stiched perforated steering wheel sway, and BMW ssk. For the exterior I have added on the m3 lip spoiler, aero front lip, tints, and the performance exhaust. Which leads me to the next part, suspension.

Upon reading through the threads on the M3 suspension this has brought me to a new dilema. Here are the options I have(listed below). I have read various threads on the LSD and performance thread as well. There seems to be great improvements with those mods as well.

If you only could pick 2/5 which would you pick and why.

1. OEM ///M3 suspension components:
-wishbone links, guides, tension rods, subframe bushings, strut brace
2. BMW Performance suspension:
- Shocks, springs, front sway bar
3. Quaife LSD
4. Aftermarket Coilovers
5. 19" VMR CSL reps

EDIT:

5. 19" VMR 710 gunmental
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Last edited by mikeokimster; 02-21-2009 at 05:45 PM.
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      02-18-2009, 09:11 PM   #2
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Depends on what your goals are? if you track the car or is the primarily your daily driver?

If its your daily... then coils and wheels, cause the car will look better and sit nicer. Plus, you can remove and sell both items when you are going to sell the car.
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      02-18-2009, 09:32 PM   #3
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Lsd and randomly pick the other choice.
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      02-18-2009, 10:06 PM   #4
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wheels and tein style master springs to get the look of performance. while you are at it debadge the car also if you haven't already
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      02-18-2009, 10:10 PM   #5
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Quote:
Originally Posted by Nick Nazareno View Post
wheels and tein style master springs to get the look of performance. while you are at it debadge the car also if you haven't already
Getting maatte black emblems instead of the debading. As far as just springs, I am a bit weary of utilizing the stock shocks.

Quote:
Originally Posted by Jeller View Post
Depends on what your goals are? if you track the car or is the primarily your daily driver?

If its your daily... then coils and wheels, cause the car will look better and sit nicer. Plus, you can remove and sell both items when you are going to sell the car.
It is in between a track and a daily driver.


I think in the end my best route would be to go with the performance suspension and rims/tires.
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Current: 10' E90 Jerez M3 DCT
///Mods: Xpel front clip wrap, Nokya 2500k H8 halos, matte grills, IND reflectors, scoops, MS drop-in, MS track pipes, Dinan exhaust, 240E, ESS tune, BBS CHR, s04 255x35 295x30, KW Clubsports, ceramic pads
Retired: 08' E92 328i JB 6mt 212 rwhp 190 rwtq

Last edited by mikeokimster; 02-18-2009 at 10:32 PM.
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      02-18-2009, 10:38 PM   #6
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Start with wheels. I would choose forged 18" rims rather than 19" reps. You might want a summer/track set and a winter set. Good tires make a big difference, but they wear out.

I like the BMW Perf kit -- but I liked the price of the old one better.

On a budget I would try and find some good used wheels, Koni yellows or fsds, and BMW Perf springs. And DIY.
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      02-20-2009, 10:50 AM   #7
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hey stressdoc, been keeping up with your suspension thread, very imformative. however I am still up for grabs on which direction to take with my suspension???

I have E92 that I track (aggressively) 2-3 times a year and do autox during the season. however, this car is by far STILL my daily driver more than anything. the track/autox is far inbetween during the year.

so....

what would you or OP who have experience doing both types of driving recommend for a DD that sees this type of action?

- BMW Performance upgrade?
- M3 suspension upgrade?
- Coilovers?
- incl. camber plates? etc...

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      02-20-2009, 11:47 AM   #8
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Quote:
Originally Posted by fast_lap28 View Post
hey stressdoc, been keeping up with your suspension thread, very imformative. however I am still up for grabs on which direction to take with my suspension???

I have E92 that I track (aggressively) 2-3 times a year and do autox during the season. however, this car is by far STILL my daily driver more than anything. the track/autox is far inbetween during the year.

so....

what would you or OP who have experience doing both types of driving recommend for a DD that sees this type of action?

- BMW Performance upgrade?
- M3 suspension upgrade?
- Coilovers?
- incl. camber plates? etc...


You consider any LSD's? You would def benefit from getting traction on the inner wheels while tracking.

I have read through 2-3 threads with guys not liking how stiff the yellow springs are that come with the BMW suspension kit. I also see how Mr.5 is planning on getting a set of those yellow springs. I believe he is also using the car as a DD while tracking it. I also read that the rear rod guides sacrrifices the ride quality quite noticeably.
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Current: 10' E90 Jerez M3 DCT
///Mods: Xpel front clip wrap, Nokya 2500k H8 halos, matte grills, IND reflectors, scoops, MS drop-in, MS track pipes, Dinan exhaust, 240E, ESS tune, BBS CHR, s04 255x35 295x30, KW Clubsports, ceramic pads
Retired: 08' E92 328i JB 6mt 212 rwhp 190 rwtq
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      02-20-2009, 10:02 PM   #9
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Quote:
Originally Posted by mikeokimster View Post
You consider any LSD's? You would def benefit from getting traction on the inner wheels while tracking.

I have read through 2-3 threads with guys not liking how stiff the yellow springs are that come with the BMW suspension kit. I also see how Mr.5 is planning on getting a set of those yellow springs. I believe he is also using the car as a DD while tracking it. I also read that the rear rod guides sacrrifices the ride quality quite noticeably.
LSD = +1 from personal experience on a 330i.

As far as the suspensions mods make sure you are looking at both the BMW Performance suspension packages that are available for a 330i - not sure if both options are available for your 328i but a quick look at realoem will tell you for sure. Here is a summary:

PN 33500429574 is a package that brings the car to the same level as the M-sport package in Europe. If you have a non-sport e90 then you add the standard sport springs to this package. If you already have the sport package then you leave the current springs and just get the package stand-alone. The net effect is a firmer suspension package than the sport or standard non-sport suspension.

PN 33500444832 is a package that requires that you purchase the performance springs in addition to the package itself. It is more firm and lowers the car additionally beyond the package above.

The option of retrofitting M suspension parts would be additional to either of these two. I opted for the 9574 package (on order from Tischer) because I'm in the midwest and the roads are not the best. I already have the sport package and did not want to go lower with the car.
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      02-21-2009, 12:00 AM   #10
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If I could only pick 2 items, id pick 1 and 2. In place of CSL reps Id go for V710s
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      02-21-2009, 03:53 PM   #11
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Sorry - I didn't answer your question in my last post. I'd go for 3 and then 2 in that order.

LSD - I'll assume that you are talking about an LSD in general. I don't have a quaife but do have an LSD. If you get it built with a gear ratio change this will be a performance mod that you will really feel in acceleration and low traction conditions.

Performance suspension - this combined with the LSD will really beef up your ability to corner quickly and also tighten up the overall responsiveness of the car.
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