Installed an mtech2 rear and it sort did the same thing when installing. Felt more confident flexing with something other than fiberglass and it fit perfectly. Rethinking whether or not this would have fit in the first place. In any event, still looking to get rid of it. Any offers?
2001 - 330ci
2003 - M3 Vert SMG
2008 - X5 4.8L
2012 - 135i Msport 6spd
1999 - Chevy Cavalier Z24 - Sold it today :(