Oh, what a Jag you are.
^^^^^(Just kidding!!)
What I'd do is google until you find an internet forum group for these, and post a few times after you join one, and THEN offer them up innocently on the "parts and cars for sale" section of the forum.
After they are sold, you can be gone from there.
Nobody will mind.
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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...
1995 E 420, 170k "The Red Plum" (sold)
2015 BMW 535i xdrive awd
Stage 1 DINAN, 6k, <----364 hp
1967 Mercury Cougar, 49k
2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive
(sold)