BMW Key Fob E90: Battery, Coding, and Remote Fixes
The BMW E90 key fob is a rectangular slot key used by the 2005-2011 BMW 3 Series. Standard keys contain a rechargeable VL2020 battery, while Comfort Access keys normally use a replaceable CR2032; the remote transmitter, passive immobilizer, CAS module, and vehicle receiver can fail independently. Key Facts at a Glance What Is the BMW […]