Problems · by component
2012 BMW 5 Series power train problems
37 owner complaints to NHTSA about the 2012 BMW 5 Series cite power train, 19% of all 194 complaints for this model year.
Complaints
37
19% of all complaints
Crashes
0
Reported by owners
Fires
2
Reported by owners
Injuries
0
Reported by owners
What owners say about the power train
Verbatim from NHTSA complaints, newest first
“BMW N63 Engine Powertrain Issues 2012 535i 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. This led BMW to introduce a "Customer Care Package," detailed in Technical Service Bulletin (TSB) B110614, to address the concerns reported by multiple owners and noted by the National Highway Traffic Safety Administration (NHTSA) under ID Number 11016414. A primary cause of the issue is accelerated timing chain wear. The N63 engine's design features timing chains that are prone to stretching prematurely. This stretching can disrupt the precise timing of the engine's valves, leading to a cascade of problems. As a consequence, owners have reported a variety of symptoms, including the illumination of the "drivetrain malfunction" warning light, noticeable engine noise, excessive vibration, and potentially catastrophic engine failure. The "drivetrain malfunction" message, in particular, is a frequently cited indicator of this underlying powertrain problem. To address these widely reported issues, the N63 Customer Care Package was…”
“I had just purchased a car but a month ago I was driving to lunch and I was at a stop sign when the light turned green I started to go the car started shaking and smoke was coming out of the front under the hood I had just an oil change so I took it back to the oil change shop. They could not figure out why the engine blew and I had to take it to a different BMW shop where I have to purchase a rebuilt motor and pay for the repairs. I can request all records from the automotive shop if needed.”
“The drivetrain disintegrated. Car started running really rough, and then just stopped completely. Would crank but would not move. Yes, it is available. Car would barely go, and then just stopped in the road. I had to have it towed to a mechanic. No, I had not received a warning of this possible hazard. No, it was not inspected by any of the above, but was inspected by numerous mechanics. Yes, drivetrain light/warning came on, as well as, drive at a slower rate when the car started to drive roughly. The turbo also went out on the car. May 28, 2024”
“The contact owns a 2012 BMW 528I. The contact stated while driving 40 MPH, the transmission warning light illuminated on the instrument panel. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 17V138000 (Power Train) but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 87,000.”
“While driving heard a loud noise and oil start pouring out the bottom of the car.. After getting my Vehicle looked at BMW dealership informed me that the drive shaft had broken and fell in the engine and caused a hole in the engine and damaging the oil pan also”
“The contact owns a 2012 BMW 528i. The contact stated while driving approximately 35 MPH, there was an abnormal sound coming from the vehicle. The drivetrain malfunction warning light illuminated. The vehicle was towed to an independent mechanic and diagnosed with a defective oil pump. The vehicle was repaired. The contact related the failure to NHTSA Campaign Number 14V176000 (Engine and Engine Cooling). The manufacturer was not notified of the failure. The approximate failure mileage was 109,000.”
Showing 6 of 37 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.