Need info 1980 633csi

Hello to the list, I have the opportunity to bid on a 1880 633csi with no issues. This car has been garage kept since 1980 and has 100k on the odometer. It has
no cosmetic or mechanical issues. All mechanical records are available for review. Looks and runs like a new car. Any ideas out there what would be a fair offer or price. Thanks, Fred. PS please reply direct to
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.