Here are mine and the oldest was bought in 1977.
I bought the others new also, nothing in 18 years.
I never plan to by another.
The e21 is at 500k and the others are close to 200k.
The 635 has been converted to my comercial usage, it tows my portable Dyno. It is now tax deductable.
Here is my oldest, e21:
It is a Calloway Turbo:
Later,