Check the fuse box 1st, before going into deep diagnostics it will save you time and headache. Bad fuse was the issue with mine. • How to solve 2011 BMW ...
That fuse 132 controls the Comfort Access System (CAS) module which is related to a bunch of functions like your touch lock/unlock exterior door handles, the Bluetooth/phone functions, keyless FOB sensing (you won't be able to start the engine without inserting the key FOB into the slot), and gong you hear when you enter the car. When fuse 132 pops, none of those functions work on your E70. It's usually because of humidity or shorts in the wiring, or one of the door handle sensors is faulty (you need to disconnect each one in turn to find which one is causing the first to pop). If you don't fix the root cause, it'll pop again soon.
Thank you. Fixed my 2011 x5. From reading some more on it it may have been caused by a short in one of the front door handles? Did you ever have this issue again after replacing the fuse the first time?
