Conv. index – most likely pulse quantity per kilometer可參考這篇文章mr-fix.info/bmw-f01-f02-hidden-menu-diagnostic-mode/或是參考這一篇 f30.bimmerpost.com/forums/showthread.php?t=1425618(文章說:如果差異太大,不是公里與英哩的差異,那就要查一下囉)