Hazard1200 Posted January 31, 2023 Share Posted January 31, 2023 Hi, need to change my battery,on a 2018 Q5 seems a bit confusing, can you use the code that is on the old battery, would be grateful for any info, thanks Quote Link to comment Share on other sites More sharing options...
Stevey Y Posted January 31, 2023 Share Posted January 31, 2023 1 hour ago, Hazard1200 said: Hi, need to change my battery,on a 2018 Q5 seems a bit confusing, can you use the code that is on the old battery, would be grateful for any info, thanks Hi no, if you use the same number the BEM won't accept it and will carry on charging at the same rate as the old battery on the new one which will fry the battery in record time, if you are using any of the Audi approved range of batteries they will have a new BEM number on the new unit, if you are using a quality aftermarket battery with no BEM number just change the last three digits of your original number to get it accepted and there are a couple of videos on YouTube on how to do it using VCDS. Steve. 1 Quote Link to comment Share on other sites More sharing options...
Hazard1200 Posted January 31, 2023 Author Share Posted January 31, 2023 Thanks for the help, really appreciate it Quote Link to comment Share on other sites More sharing options...
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