Before anybody suggests to get rid of my SLS rear suspention on my "89 635, I have 115,000 miles on my car and my self leveling suspention works great--I've heard the horror stories and know the expenses. I don't want to make my car a hot rod or lower it. I want to keep the integrety of the car. I would have bought a big block Chevy if that's what I wanted, it would have been cheaper!! I just think that the shocks on the SLS are worn out. also the shock tower mounts squeak when the rear end is pushed up and down--at least I think that's where the noise is comming from. Where can I find STOCK components for this. Thanks in advance, David