Correct you?
I congratulate you. Yes, Ilovemycar.
Yes.
Every savvy BMW pilot knows that most malfunctions, unless clearly inhibiting vehicle motion, are a part of normal mechanical activity [first years of operation].
You alone have detailed what every BMW owner should do.
You see, dear reader, if you wait for any part or function to fail, you "....are already way past the point of needing to change them out."
As a historical note, we thank George W Bush for the notion of pre-emptive action, supplanting 'preventative' in our evolved society. Thus, we are mandated to document
possible problems
before warranty expiration so that they are shown to fall within the area of manufacturer's responsibility.
What problems are those? Just comb through forum posts for your model of interest, and you shall find a reliable list. Bring up even remotely questionable operation, in writing, to your dealer at service time!
You should begin ~18 months before warranty expiration to establish a defensible history of issues. If a manufacturer fails to correct them under warranty, believe you me he'll be required to after!
Within reason, of course. There are no guidelines for one problem vs another, and mileage after warranty will be factored.
But, without the above protections, you may as well walk naked through a 'gator farm!
Words to the wise....
Anyone, please feel free to correct any of my misunderstandings. Is it true that if you wait for looseness/vibration, that we are already way past the point of needing to change them out. That we should have them visually inspected every once in a while, looking for any cracking, or failure of any sort. That if you wait until this point, you may be putting other more expensive parts at greater risk of failure. Worse, we are putting ourselves and/or others at risk of death, since the part may be more likely to completely fail while driving.