![]() The VO is written into a couple modules of the car, usually ones that start with an "A", like AKMB or ALSZ. In my 02 M3, the VO was written in ALSZ and AKMB. On my '00 328ci it was stored in EWS, KMB. Its nothing more than a string of text/numbers stored in the flash memory of these modules, nothing special. Why is it written into two places? because if one module is failed and has to be replaced, then the other will serve as a backup so you can code the new replacement module to your car. For example ALSZ is the "light switch module" in your car, for some reason it fails. When you buy a new LSZ/LCM, you can retrieve all your settings of VO from AKMB and then code your new LCM to YOUR factory settings. The chances of both modules failing is slim, but if it does. you'll have to contact BMW so they can give you the VO for your car from their records. OK the one difference is pre-02 cars dont have a VO. Those cars have their ZCS (which acts like a VO) stored in the EWS or KMB modules. The stuff below is basically identical however for individual parameter coding.ġ. When you load NCS expert, you need to load a profile. These profiles just change how ncs expert behaves when you read your car.
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