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young_gun
JVBulman
Yeah, most of the parameters of a given DU are programmed by the OEM and can't be changed even in the dealer diagnostic software.
:EDIT: Was on the phone with Bosch tech support this morning following up on a case and I decided to ask about those Ebay DUs. They said there's no legitimate channel for buying new DUs in any sort of meaningful quantity for resale, so assuming they're even real, they're either defective units that were fished out the trash, refurbished used units, or were ripped out of stolen bikes.