Michael,
No problem..
Price is around 1500 US, but to show you how much easier, I will need your email to send you pics.. or check this thread which I started a while back but haven't finished due to still waiting on my chassis to come back..
http://www.germanlook.net/forums/showthread.php?t=9153
It focuses on the 914 but will be similiar for 915
Alex