Why is the steering in my BMW 1 Series feeling stiff?

I recently noticed that the steering in my BMW 1 Series feels stiff and unresponsive. What could be causing this issue and how can I fix it?

One possible reason for your stiff steering could be a low power steering fluid level. Check your power steering fluid and top up if necessary.

Another reason could be a problem with your power steering pump or belt. Have a mechanic inspect these components to determine if they need to be replaced.

It could also be an issue with the steering rack or tie rods. Have these components checked and replaced if necessary to improve your steering.