Vehicle Stability

[ASAP]

My #1 concern in my 135i is vehicle stability, firmness and lack of suspension play / bounciness. This weekend I plan to install Koni Yellows / M3 RSFB's... is there anything else that would be recommended for the above concerns. Key here is that I do not want to lower the car. Would it be beneficial to also throw on some newer M sport springs? I have an 09 Sport Pack by the way. Thanks

[TS135i]

Plenty of threads about M3 bushings/upper & lower arms etc, Koni's alone won't really do much (i also have them) without considering the things I mentioned.

[ASAP]

Originally Posted by TS135i

Plenty of threads about M3 bushings/upper & lower arms etc, Koni's alone won't really do much (i also have them) without considering the things I mentioned.

M3 rear subframe bushings going in as well... what do arms have to do with stability?

[TS135i]

I can only speak for rear control arms, as for me they certainly made wide high speed cornering feel a lot more stable, I put it down to firmer bushings within the M3 control arms.

[Ski Killset]

Originally Posted by ASAP

M3 rear subframe bushings going in as well... what do arms have to do with stability?

They give the option of a more aggressive and stable alignment. My car is much more predictable and stable with the M3 arms.

I also have Konis, Whiteline inserts and Cobb springs.

[ASAP]

Originally Posted by Ski Killset

They give the option of a more aggressive and stable alignment. My car is much more predictable and stable with the M3 arms.

I also have Konis, Whiteline inserts and Cobb springs.

For high angle turns sure... My main concern is straighline and high speed on ramps.

[TS135i]

Originally Posted by ASAP

For high angle turns sure... My main concern is straighline and high speed on ramps.

Why didn't you make this clear in your first post..