Has anyone replaced a rear trailing arm on a countryman/paceman all4 before? I made the unfortunate mistake of stripping the threads while trying to remove my lowering springs. I've seen people recommend helicoil kits to repair it but since I track my car regularly I'd feel much more comfortable just replacing it to ensure it's integrity. Prices don't look too bad from what I've found online, but I'm not sure how difficult it is to swap out. Anyone have any experience replacing this thing? Thanks!