[brettcp]

I found a bit of interesting info about battery registration over the weekend.

About 4-5 years ago I replaced the battery in my '12 E93 M3. Registered it with Carly and had assumed it was all good.

Yesterday I replaced the battery again. Nowadays I'm more familiar with BMW tools such as INPA, ISTA/D, ISTA/P, etc. So before replacing the battery, I checked INPA which showed the right battery capacity, but it had no record of the battery ever being replaced (it logs the mileage of the last 4 battery changes - all 4 spots read "0.00" km). So I replaced the battery, registered it with Carly (latest version as of 8/16/21), but sure enough, INPA didn't have the record of it. I then checked via ISTA+, same thing - no record of the battery being replaced.

I then tried both INPA and Tool32 to register the battery. Both reported "Okay" as it successfully registered the battery, but then I checked both INPA and ISTA+, and neither had any record of the battery being replaced. Again, all 4 spots read "0.00" km. I turned the car off, waited a while, etc thinking maybe it takes a while to record the change, but nothing.

Finally, I used ISTA+ to register the battery, and this time it DID record the battery change at the proper/current mileage. I can see it in both INPA and ISTA+ now. So ISTA+ seems to register the battery AND update the last changed value. Carly and Tool32 "appear" to register the battery (and perhaps they both do, or don't?) but they do not seem to update the mileage of when it was last changed.

Note that I used both the Bimmergeeks Pro cable as well as an ICOM B during this testing with no difference between the two.