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I think it is just a pure matter of math. You had a recent hard pull Car loan). That my well have lowered your score. So two questions.
If you apply for the CLI tomorrow, is your score today high enough to get the CLI that you want?
If you apply for the CLI tomorrow, that may lower your score still further. (But remember that inquiries lose all scoring impact after one year.) Will the post-CLI score be high enough for your needs during the next year?
If the answer is Yes, that gives you a greenlight for the CLI if you want to pursue it. I wouldn't allow the hypothetical possibility that some creditor will not like it that you had "too many" inquiriers in "too short" of a time. They will likely just care about your score.