Hi all, I have a 2012 cx-9 which has 180,000 and has been a great car with few major issues - went through some wheel bearings, blew a transfer case early on, but runs fine in spite of never touching the transmission. I've had other vehicles begin to shudder at this mileage, but this one is still strong at 180k. I'm thinking of doing the drain-refill with maxlife once or twice to buy more time with this machine. Thoughts?