Following up, I just got off the phone with Hawk. They said that they are making Blue compound pads for the M3 on an as-needed basis. Apparently there is a 7-10 day lead time, and you need to order through a distributor. I've sent messages to a couple of them, so hopefully I'll hear back soon.
FYI, the part number (front pads only) is HB551E748.
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2018 M240i xi (LCI) | Estoril Blue | Dinan Stage 1
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