PAM3Guy wroteyes i do believe when the new date is entered , the car understands its dealimg witha full deck so to speak and will draw power differently making it more effficient and long lasting , adjusting from the old battery in whuch yiur car was under performing do to its inadequTE TAYLORED SUPPLY>Besides registering, are there any other reset procedures that need to be done when changing the battery? TIS makes it seem like there are some re-learning procedures that need to be done (auto engine start/stop, mount steering angle, etc.):
https://www.newtis.info/tisv2/a/en/e92-m3-cou_201202/repair-manuals/12-engine-electrical-system/12-00-engine-electrical-system/2S8T2Cv
Is it Ok to attach a trickle charger (like a CTEK) to the electrical leads under the hood to keep the settings while changing the battery?
SECONDLY , IT IS A FANTASTIK IDEA TO ATTACH A TRICKLE CHARGER WHILE YOI CHANGE BATTERIES SO YOU DONT LOSE ALOT ON PRESETS YOU HAVE SET IN YOUR CAR ALRADY.