How do you drive the car? What's your standard procedure for warming it up? Does it get driven much at constant speed on the highway or mostly around town? Short or long trips? And do you generally drive it hard winding it out with heavy throttle (after warmed up of course) or more putt-putting around?
Makes me want to get a mag drain plug for all my cars tbh, they all have high-mileage engines that are maintained well but get driven hard.