Hi there,

I am getting new wheels for my 2007 550i to replace the stock 17 inch rims - which I just turned into my winter wheels.

I plan to get summer configuration:

front - 245/35-19 inch rim
rear - 275/30-19 inch rim

I want to lower the suspension as well.

I found H&R Springs with these specs:

Sport Spring E60 w/o self-leveling which should lower the car about 1.2-3 inches

however, I believe my suspension is self-leveling (e60) - unless I am mistaken.

My questions are:

1. What spring manufacturers and type would you recommend
2. Can I go without the self-leveling option? Is is better to keep the self-leveling suspension? Are there springs compatible with self-leveling suspension?

I don't want super racer springs, merely an improved suspension that would lower my car 1-1.5 inches and inmprove the handling a bit. Will I need to replace the sway bar as well?

Any help is much appreciated.

-Daniel.

 

Do you have ARS (Active Roll Stabilization - comes with the Sport version)? If so, you can't make it handle any better and I doubt you could even find springs for it.

 

what is this self leveling feature?
i thought it was something only offered on the wagon models.

 

Ars helps eliminate the car leaning as much during turns, the system offered on the E61 is a leveling system that levels the car when you have heavy loads in the boot.

 

I found the H&R Springs to be too stiff of a ride in my old big e38 *95 7 series. I put Eibach springs on my 01 e38 and found them to be MUCH nicer. While this doesnt speak directly to the 550i, I think the H&Rs will be stiffer in general than Eibach.

 

After some reasearch and talking to an ex-BMW tech, the self-leveling suspension is only on the Touring/Wagon models. So no self leveling. I don't have the sport package, then I am assuming I don't have ARS as well. I agree, it would not make much sense to change the springs on the sport package suspension. Mancho thanks on the feedback on Eibach vs H&R springs - leaning towards the former as well as I do a lot of downtown city driving and the roads a full of potholes.

How about offsets for the wheels, is it wort it to offset the wheels bit more for looks and/or better stability?

Thanks