Well the last time I did this, it was at a track day. This time was stupidity and fatigue. I went with an Ebayer (ID: wheellockkeys) to replace the one for my 14'. The 14 spline ABC50 20mm key looks and fits perfectly. I have the outside splined bolts, not the puzzle-lock in the center type. So if this happens to you, it appears there is an alternative to the dealership. Plus you can buy a spare...