Originally Posted by Lensgrinder
I just added Guard Dog moly for gear oil to my transmission, it shifts much smoother now.
Comparing a moly additive which is designed for gear oil to adding mothballs to gasoline, which they are NOT designed for is not a valid comparison.
BMW had added moly to the gear oil when the bike was new, so I see no problem with it.
Yes, if you feel it's necessary and as long as it's designed for the intended use.
The OP had something for engine oil, not trans or FD.