According to ADAC (in german) BMW is pretty good in terms of reliability. https://www.adac.de/rund-ums-fahrzeug/unfall-schaden-panne/adac-pannenstatistik/ http

According to ADAC (in german) BMW is pretty good in terms of reliability. https://www.adac.de/rund-ums-fahrzeug/unfall-schaden-panne/adac-pannenstatistik/ https://www.adac.de/rund-ums-fahrzeug/unfall-schaden-panne/a... They do mention battery issues with the BMW 5 series prior to 2010.