Can I retrofit Apple CarPlay to my 2019 car?

I have a 69 plate BMW X1 which has the standard BMW sat nav but no support for Apple CarPlay/Android Auto. Is it possible to upgrade or retrofit this while retaining the remaining standard features including...

Why do I have to pay an annual fee to keep my navigation up to date?

I've recently noticed that the sat nav on my 3 year old BMW 3 Series is out of date and no longer providing real-time traffic updates. My local BMW dealer suggested I need to purchase an annual subscription...