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Out of the scenarios you've listed, the money shift is the one that would be most concerning. Bouncing off the limiter is just fine, so long as you have pegged the accelerator down and are just letting bounce of the limiter non-stop (which unless you're crazy, you'd never do). Accidental reving to "redline" on a cold engine is the least concerning, as the M3 adjusts it based on engine temperature.
As to the money shift, you have the potential for all types of damage, depending on the severity. There's the possibility of damage to the main bearings, con-rods, valves, lots of stuff.
If you're concerned about compression loss, just do a compression test, but it'll be a PITA accessing the aft most cylinders on each bank.
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