Timing chain wear and drivetrain malfunction warning
POWER TRAIN, ENGINE, FUEL/PROPULSION SYSTEM
11 NHTSA complaints · 2016-08 → 2025-10
“The N63 engine, utilized in various BMW models including the 2012 535i, has been subject to multiple customer complaints regarding premature timing chain wear and other powertrain-related issues”
“TL* THE CONTACT OWNS A 2012 BMW 535I. WHILE DRIVING APPROXIMATELY 40 MPH, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE TIMING CHAIN NEEDED TO BE REPLACED”
“DRIVE TRAIN MALFUNCTION: DRIVE MODERATELY CAUSED BY VALVETRONIC MOTOR AND ECCENTRIC SHAFT. AT 50K MILES”