This H&R ETS lowering module works for me!
I researched and came across Achtuning. I wanted a module that was plug and play. Not something that required any cutting and splicing to install the unit. The process was straight forward from ordering to installation. The directions were easy to follow. The most time consuming part was removing the trunk panels and trunk trim. After I installed the module, I didnt get any errors after I started the car. My drop is exactly 1 inch. The module has adjustment screws to increase/decrease the drop. Overall, I'm pleased with this module. I like the drop, it cleaned up the huge gap in both front/rear wheel wells. My ride comfort is still pretty good, too!