Bimmerfest - BMW Forums - View Single Post - Speed Limiter on 550??? Dead Key battery??
View Single Post
Old 11-09-2012, 07:07 AM
SimiClyde SimiClyde is offline
Officially Welcomed to the 'Fest
Location: Simi Valley, CA
Join Date: Aug 2009
Posts: 173
Mein Auto: 2013 535iX GT
Originally Posted by ronin550 View Post
How do you replace the battery on the key fob? The salesman at BMW told me the key chargers inside the ignition if you plug it in. I did that, but the symbol keeps popping up.
The cars with Comfort Access do not charge the keys. This has always been the case, so shame on the salesman for not knowing his product.

The key fob styles have changed a bit over time, so your best source of info will be the manual, which can be downloaded from the BMW web site (that's a bit of a PITA, but can be done).

For example, the key fob for my 2010 E60 has a little "door" on the back that can be pried open, after you remove the key from the fob (had to change it's battery at ~ 3 year mark).

The fob for my F07 is decidedly different -- it looks like it might also pry open, but I've not needed to change the battery yet, so haven't fiddled with it.
Reply With Quote