NHTSA Complaint #11331846 — 2015 BMW M4

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number 11331846
Vehicle 2015 BMW M4
Component ENGINE
Date of Incident
Date Filed
Mileage N/A miles
Crash No
Fire No
Injuries 0
Deaths 0
Vehicle Towed No
State CA

Consumer Description

I TOOK MY CAR IN FOR SERVICE ON MARCH 10, 2020 FOR SERVICING. DURING THE TIME THEY HAD MY CAR, THEY REPLACED MY FRONT AND REAR BRAKE PADS, COMPLETED THE INSPECTION, AND GAVE ME THE CAR BACK AFTER A COUPLE DAYS. ON APRIL 10, 2020, I TOOK MY CAR INTO SERVICE AGAIN AS I WAS HAVING DRIVE TRAIN MALFUNCTIONS CONSTANTLY. SEVERAL WEEKS OF BEING IN THE SHOP, BMW SERVICE TECHNICIANS FOUND THAT COOLING FLUIDS HAD LEAKED FROM MY TOP MOUNTED INTERCOOLER, INTO THE INTAKE MANIFOLD AND THROUGH THE INTAKE VALVES, AND DIRECTLY INTO THE ENGINE OF MY VEHICLE. SINCE THE ENGINE NOW NEEDED TO BE REPLACED, BMW OF FREMONT RECOMMENDED AND REQUESTED FOR AN ENGINE REPLACEMENT BUT BMW HAD REJECTED IT AND STATED THAT THEY FOUND SOME 'TUNE' IN THE VEHICLE. I PURCHASED AN EXTENDED WARRANTY AND MAINTENANCE PLAN FROM BMW DIRECTLY THAT IS STILL ACTIVE. MY ENGINE REPLACEMENT SHOULD BE COVERED UNDER WARRANTY BUT BMW IS NOT ADHERING TO THAT WARRANTY. AFTER COUNTLESS CALLS AND EMAILS BEING SENT BACK AND FORTH BETWEEN ME AND BMW, NEW INFORMATION AROSE STATING THAT BMW FOUND THAT THE 'TUNE' FOUND IN MY VEHICLE WAS MERELY A VALVE CONTROLLER FOR MY EXHAUST SYSTEM. BMW OF FREMONT CLEARLY MENTIONED TO BMW THAT THIS LEAK IS NOT CAUSED BY OR EVEN REMOTELY CORRELATED TO THE VALVE CONTROLLER, AND THAT THIS ISSUE IS MECHANICAL, NOT SOFTWARE RELATED. CLEARLY, THIS HAS NOTHING TO DO WITH THE MAJOR ISSUE AT HAND, WHICH IS THE LEAKING INTERCOOLER CAUSING MY ENGINE TO FAIL. IT IS A MAJOR SAFETY ISSUE FOR MY CAR TO BE RUN WITHOUT THE ENGINE REPLACEMENT, AS THE CAR NOW HAS A MUCH HIGHER CHANCE OF BEING HYDRO-LOCKED. MY CAR HAS NOW BEEN AT BMW OF FREMONT FOR THE PAST TWO MONTHS. I'M STILL PAYING MY MONTHLY DUES FOR THE VEHICLE DILIGENTLY EVEN THOUGH BMW HAS CAUSED THIS MANY ISSUES. *TR

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