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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > what can i do to make it handle better?



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      01-20-2017, 03:31 PM   #111
W37V
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Originally Posted by bbnks2 View Post
My wheel doesn't really return back to straight at all either... Doesn't bother me. I don't drive a Honda civic. The steering is pretty heavy on a 135i and so are my wide wheels/tires. I owned a 128i that was brand new before I bought my 135i. That cars wheel didn't return to center very well either... What are you comparing to to cause you to say the wheel isn't returning to center properly?

Also, Caster is off by almost 1*, which is causing SAI to be off. SAI being out by 5* could have a significant impact on the wheel returning to center. Something might have play or might be bent? I'd guess it would be pretty hard to troubleshoot a caster difference of <1*. Live with it?

Here is a very helpful website. There are charts that can point you to why your SAI is off by almost 5* from side to side: http://aligncraft.com/terms/terms.ht...is Inclination
I think i should clarify.

My wheel is turning to center, but it seems like it has more resistance than before. For example, if I turn the steering wheel by few degrees left or right, the wheel will stay that way. If it is turned more than few degrees, it will self correct until it reaches that few degrees point. I really think I overtightened something, which does not surprise me. I had to push lower control arm in place, as it wouldn't fit properly. Car is driving straight thou. I am liking the new setup as the car feels way more balanced than before.
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      01-21-2017, 02:21 PM   #112
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Quote:
Originally Posted by W37V View Post
I think i should clarify.

My wheel is turning to center, but it seems like it has more resistance than before. For example, if I turn the steering wheel by few degrees left or right, the wheel will stay that way. If it is turned more than few degrees, it will self correct until it reaches that few degrees point.
I had something similar start happening after doing downpipes. Sprayed the steering shaft knuckle with Kroil and it pretty much made the problem go away...as I mentioned earlier, start there first since it will only take like 30 seconds of your time to accomplish.

Although overtightening some of those bolts may have taken place, stop stating it as if it's the cause of any of your problems. It sounds stupid.
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      01-23-2017, 12:38 AM   #113
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First mod I did was junk the RFT's for Michelin PSS. Next I installed KW Series 1 coil-overs.
After much research, I sprang for a Quaife LSD. The car was transformed, and handled like a dream.

Recently with 85,000 miles, the back end shimmied, and the car felt looser. I have since replaced the KW's with a set of KW Series 2, had M3 guide rods, trailing arms, bushings, and sway bars installed, and it feels like a new car now. Much tighter, and more planted. Very happy I did such extensive work, especially after the miles on the car built up.
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      03-05-2017, 11:50 AM   #114
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I have stock 2009 335i e90 with stock sport suspension, no issues, my car has 54k miles, I'm thinking to install Monroe Strut Mount - Rear Upper to kill the rear bounciness. do I need anything else? are they direct fit?

would this change make ride harsher?
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      03-05-2017, 03:13 PM   #115
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Originally Posted by SHEEDI View Post
I have stock 2009 335i e90 with stock sport suspension, no issues, my car has 54k miles, I'm thinking to install Monroe Strut Mount - Rear Upper to kill the rear bounciness. do I need anything else? are they direct fit?

would this change make ride harsher?
They are direct fit and do not feel harsher. Just more planted.
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      03-05-2017, 09:02 PM   #116
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should I also consider doing Monroe Front Strut Mount also ? and what benefits I would see by doing rear upper/lower and front?
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      03-07-2017, 05:05 AM   #117
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Thanks for the advice on here, subscribed. I'll give this a shot as a future mod.

Last edited by Rogue-OP; 03-08-2017 at 03:24 AM.
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