turbo. Months of pampering had finally come to their climax—the break-in period had been reached, and the TT was finally ready for its tune-up. However, this was not going to be your usual filter-and-plugs ordeal, not in the slightest. I had spent weeks, if not months, researching the known weak points of the EA888.2 engine and made it my mission to ensure they were addressed. The first was the consistently problematic positive crankcase ventilation (PCV) plate integrated into the aluminum valve cover. This emissions system is designed to route gases that enter the crankcase back into the intake stream to be reburned in the combustion chamber. However, it is prone to failure, often without warning, allowing oil to enter...