When did you first notice it and what were the symptoms? was it suddenly and all at once?
When did you first notice it and what were the symptoms? was it suddenly and all at once?2017 TLX Technology V6 SH-AWD with 31k miles (yes, ~5k miles per year). In with the dealer for lower engine warranty replacement for spun bearing damage. Synthetic oil changes w filter 2x per year, nothing but BP Ultimate since I took delivery. No sure which bearings/rods were affected