I've investigated this and have found nothing. It looks like the M4 rotors are a different size (enough doubt to believe it's not going to work).
There are slotted rotors, though, not drilled - and not cheap. I believe ECSTuning has them, but for the money, I'm not sure it's worth it.
__________________
2022 BMW Z4 M40i | 2021 HD Road Glide Limited | 2019 Ford Expedition XLT MAX | Subaru Outback 2019 | Subaru Outback 2024
|