The starter fun continues. I got my SR18x in stock, and it definitely extends the exact same amount as the 17x I'm currently using. Currently on hold with Bosch technical support to see if they can come up with anything, but at the moment we may have found a solution with the SR25x. One of the local parts houses as warning note in their system that it should only be used on Vanagon model vehicles, and not the beetle/porsche/etc the system says it will also fit. Their internal note says it's 10mm longer and won't work in the other applications. Bingo, that is what we need! Hoping to confirm with a Bosch service tech, and the SR25X will be here tomorrow.
...getting closer? Maybe?
-Dave