I have had no difficulties with Bosch GPs in my 68 220D. They wired up easily and have worked without a hitch since (about a year so far). I bet either brand will be fine.

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1968 220D, w115, /8, OM615, Automatic transmission.
My 1987 300TD wagon was sold and my 2003 W210 E320 wagon was totaled (sheds tear).