Hi guys,

I've been putting Marvel Mystery Oil (MMO) into my engine oil at each Oil Change Interval (3000 miles on the 240D).

I'm not doing any kind of oil analysis, but my 'shade-tree mechanic' sense tells me that my oil filter is MUCH heavier than it usually is, and certainly when I am cleaning up spilled oil (I'm using Chevron Delo 400LE 15/40 from Costco) the used oil (that is mixed with the MMO) cleans up really nicely. That is, it seems to wipe up from surfaces without leaving a whole lot of black oily mess.

I'm hoping that this means that the MMO is keeping the insides of the OM616 cleaner, and that it is slowly removing 30-year-old combustion residues, etc.

Have any of you had long-term experience with MMO in the motor oil, or have you done oil analysis with MMO in the oil?

I'm just curious as to long-term use and/or some kind of analysis that would tell me this is a good idea.

Sincerely,

Packman

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83 240D - 4 speed manual - Manilla Beige
189K miles, Tachometer mod, cool wooden shift knob from PeachParts, CocoMats, Original factory paint, manual windows, manual sunroof. Starting to add AudioWrap to this car too!