Fab1303s 0 Report post Posted November 28, 2018 Does a replacement battery require registering / coding etc. 09 335i Quote Share this post Link to post Share on other sites
B.M.W Ltd 950 Report post Posted November 28, 2018 Yes and it is recommended to be the same type & capacity although this can be changed with the right scanner Quote Share this post Link to post Share on other sites