Just got my H&R sports put on by DBC tuning and all I have to say is the car sits perfect. It rides just like OEM Sport springs I had on before. He gave me a better deal on the springs then I could find online. I need a slight fender roll which I think I will be getting soon.
If you need a shop in San Antonio call them up and ask for Berk, let him know Omar with the BLK335i referred you.
DBC tuning
210-399-1172
15555 Tradesman Drive Tx 78249
Here are a couple pictures of my installed springs.