617.910 from a 115 would fit without mods, as the 115 & 107 use the same subframe. Oil filter would work too. Only prob is a .910 is an NA engine, so there is just a different list of possible mods if you want a turbo.

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H.D.B.
OBK #45
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'75 W115 240D, wife's dd, 197K
........'75 W115 300D, my dd, 245K
.. .. ..........'82 W126 300SD, the 'someday' project