When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I know this is a better question for 924 board, but I don't have an account there so I thought I'd try here first. I came across a '81 931 and pulled the Siemens ignition ECM and the crank sensor, as I've read they're unobtanium. What's the current market status of these? They're about to be for sale.