Yes, it is an E32. They were produced till end of March 1994. After that it is E38.
Intakes are 2 separate units. See the large explosion view of the engine on my website below. http://tridem.han-solo.net/auto/erich/v12.jpg
The gaskets for sealing will set you back about 500 US 4. In total there are 4 gaskets. If you want to know how to reseal them, go on my website to the page of Johan and Sean, there are detailed instructions.
Also look at my site on 'before buying", that is a good buying guide. Stay away from a car which has EDC shocks, they cost new more than the whole car is worth. Per shock around 1.000 US $.
But you can modify from EDC to normal shocks.
And the headoffice for E32 V12 M70 engines is here
http://www.bimmerboard.com/forums/e32/page/0