[hyde]

Originally Posted by timmahh

You can register online (US Carriers at any rate):

https://securec45.securewebsession.c...albooster.com/
https://www.verizonwireless.com/wcms...l-booster.html
https://www.t-mobile.com/support/cov...signal-booster


Also, if you remove the left rear panel cover (where a first aid kit would be), look up, you'll see the booster and the serial number on it. Just snap a pic.

Thanks for these links, I got an email from BMW reminding me about this, but does it actually boost signal, is this confirmed?