Good questions, Base.
It would help if the OP listed the model of his motor--- but a quick search suggests that this should be fixable at the LBS. Here is an interesting thread that covers some of the finer points of tour vs. tour+, etc. Seems like this option is modifiable, but I'm not familiar with this motor.
I purchased a Cube Hybrid with the gen 4 CX motor during the 1st lockdown in 2020, the only software update it's had was the 85Nm update (1.1.1.0 ?) I've just purchased a Trek Rail (same motor and battery) this seems a little more lively with a more eager pickup and if anything, it's slightly...
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I live in fear that that my very underpowered Shimano E5000 will lose the 'Sportiv' mode from 2022 in some future update that my LBS might do accidentally. It made a huge difference, and while I can adjust this with the Shimano 'eTube' app, I've been warned that executing the steps to change anything has to be done flawlessly, or you can brick the bike.
OP lives in the US, where Haibike has not been available for years. Assuming Gen2 Performance Line CX. An update near end of Gen2 swapped EMTB mode for Sport by default, with retention of Sport as a configurable option. That EMTB did not feel much different from Tour was a common complaint at the time -- clearly Bosch and some end users differed on how much support should be offered based on riding conditions
Do you mean System 2 or gen2? I don't think any of the dynamic support modes were ever available for gen2 drive units. But they were introduced for gen4 drive units running System 2 a year or two before they started phasing in the Smart System.
I mean Gen2, between 'Classic' (never released in US) and Gen3/4 released 2019-2020. Gen2 models were Performance Line CX (20 mph, higher torque at low speeds) , Performance Line HS (28mph, 65Nm not upgradeable) and Performance Line (20mph, 65Nm). Any Bosch bike sold in the US up to late 2019/2020 was either Performance Line Gen2 or ActiveLine.
For Gen2 Performance Line CX, EMTB mode was introduced in an update as the default, replacing Sport w/ an EMTB dynamic assist level. It was def available, and since Haibike left the US market pre-Gen4, I'd be willing to bet the origin of this thread is Gen2.
Other features were available for a nominal charge like Topo, or the Custom Riding Modes via software. In the US, end users were limited to Purion/Intuvia displays, but a Nyon 1 from Europe used the Intuvia display mount and allowed a US end user to use these additional features. These Custom Riding Modes were static, adjusted by the user, not dynamic like Tour+ or EMTB. I can recall stopping by Electricity (shop) in DC ca. 2018-2019 and drawing a crowd around my Nyon 1 to check out the display and these features.
In 2020, the software LOCK became available for Gen4 by is no longer available since SS Alarm service rolled out.
Here is a kinda cool timeline from Bosch. They say EMTB has been available since 2015 (!) which was very early Gen2. Many features are not so new but were kicking around for a while. Who here remembers COBI, the original smartphone display bought out by Bosch?