It's partly my fault (I hope) in that I have a habit of pitting in as soon as the checkered flag goes out. I have not been doing meaningful cool down laps. I'm sure the fluid just boils in the pits. Shame on me.
Going to SRF fluid next, upgrading from 2.5" front ducts to 3", and going to try to add rear brake ducts. Will also install the rear 135i metal pad shims, hoping it provides some relief to heat transfer.
If none of the above help, then BBK it will need to be. When does the money bleeding end!
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