2018 BMW X3 Power Train Problems

Vehicle: 2018 BMW X3 VIN: [XXX] My 2018 BMW X3 has had continuous oil and coolant leaks for several years. Major parts have already been replaced including the turbocharger, oil cooler, water pump, turbo lines, radiator hose, thermostat, and valve cover gaskets. The dealer recently confirmed my crankshaft seals are leaking. These issues are consistent with a defective Positive Crankcase Ventilation (PCV) system, which causes excess crankcase pressure and oil leaks. BMW issued an Extended Limited Warranty for PCV/valve cover defects on other models but said my VIN isn’t included—even though I’m experiencing the same failure pattern. This creates potential fire and safety hazards from oil leaking onto hot engine components, as well as the risk of sudden engine failure and environmental hazards from oil dripping onto roads. I respectfully request that NHTSA investigate whether 2018 BMW X3 vehicles should be included in BMW’s PCV/valve cover recall or extended warranty...

The contact owns a 2018 BMW X3. The contact stated while his wife was driving 65 MPH, a message advising to stop driving was displayed, and the vehicle simultaneously shifted into neutral(N) independently. The vehicle stalled in the middle of the highway and failed to respond while depressing the accelerator pedal. The message advising to drive with caution was displayed after several minutes, and the contact was able to continue driving upon depressing the accelerator pedal. The vehicle was taken to an unknown dealer to be diagnosed. The vehicle was not diagnosed or repaired. The vehicle was then towed to the local dealer, where it was diagnosed that coolant was leaking from a hose. Additionally, the dealer informed the contact that excessive engine temperature could have damaged the cylinder head and the rod bearings. The dealer recommended replacing the engine. The vehicle was not repaired. The contact stated that his...