My very first digital Maerklin locomotive was a BR86 from a starter set. This model is known to have problems with power pickup, and sounding like it's grinding up its gears. Part of the issue here is the very low-end MM2 decoder built into these locomotives. Nevertheless, I lived with it for the last 10 years, but the locomotive got less and less use as other, cooler locomotives arrived on the Welztalbahn or were converted from analog. When switching a local freight this afternoon, I got fed up about the noise and crappy driving habits of this locomotive and brought it to the work bench. The axles got some more oil, the gears some grease, and it ran a little bit quieter, but not a lot. Alright, I do have a couple spare LokPilot 3.0 sitting on a shelf. Today's the day! The old MM2 decoder made way for a Lokpilot, I connected power pickup and motor leads to see if this truly makes a difference... and what a difference it makes! The drivetrain no longer aches and croaks, but pur...