Mobil 1 synthetic gear oil and ATF can be found at most auto part chain stores. Red Line and Royal Purple both make synth gear oil and ATF, but they're more expensive and harder to find. I've known a couple of people who swear by Red Line; can't think of anyone I know who has used Royal Purple.

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1990 190e 2.6 - The only one I can really call "My Car".

1987 190e 2.3 - The donor car's up and running, only mods are Euros and a Sony headunit. My Dad's runabout now.

1990 300e 2.6 - The parents' ride.