Check the dealership’s reviews. If they consistently have bad reviews, your bad review isn’t going to do much. Just go with another dealer.
On the other hand, if the dealer has almost perfect or mostly good reviews, they might try to work with you more. And your feedback might be more important to them.
Restating other advice above, always approach them the right way, there are very rare exceptions to this. Don’t over exaggerate issues. BMW dealers don’t treat you like royalty anymore.
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