what is this?

Frank II

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Huntsville, AL
Yep!

by tracking birthday of donor car 735i, 01/1980, I have received info that the numbers inline 6 1979 engine manufactured in 1979. Anyone who can add please do, w/ pertinent info only please
 

decoupe

(deceased)
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The "L" may refer to the euro block designation? This had different bore/stroke numbers and crank difference that has some advantages in stroke.
 
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