I'm not making excuses for BMW by any means because one day I'm going to eventually have to fix them myself just like everything else typical on a BMW. But if its something you know is failing (just like window regulators for example), yes you can tell people to not use it...cover it w/ some tape, leave a post-it note, pull the fuse, etc. Notes or tape may look stupid, but it's better and much more affordable than a burnt hole in your leather seat. Point is, once noticed it can be avoided and prevented from getting worse.

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