What 64 owners told NHTSA about the 2012 BMW 535i

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 implemented. This service bulletin instructs authorized BMW technicians to perform a series of diagnostic tests. The main objective is to detect if the timing chains have stretched beyond acceptable tolerances. If excessive wear is confirmed, the TSB provides a detailed procedure for the necessary repairs. This often involves replacing the timing chains and related components to restore proper engine function. Beyond the core timing chain replacement, the Customer Care Package also includes several proactive and preventative measures. Technicians are instructed to check and potentially replace other components, such as fuel injectors and boost solenoids, which may have been impacted or contributed to the engine's performance issues. Furthermore, the service includes reprogramming the vehicle's software

NHTSA ODI 11696232

Confirmed by a Certified BMW repair center. Failure of Vanos Camshaft Gear Bolts. Recall has been issued for all 5 series models (and beyond) up to 2011, but does not include 2012 (5 series,) as it should. The Recall needs to be extended to include 2012 - 5 series models as failure of these bolts will cause immediate engine failure and could result in catastrophic crash, especially if driving at high speeds. I have contacted BMW of North America and they will not extend the recall until formal complaints, such as this, are received. My Issue with the Vanos Camshaft Bolts is currently being repaired (out of pocket) and I will share my invoice once received.

NHTSA ODI 11568781

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

NHTSA ODI 11465609

While driving car stalled, dropped speed and engine warning light came on. Fuel pump was needed. Had to have car towed obtained a rental for 11 days. Fuel pump out of stock. Immediately after fuel pump was replaced less than two weeks the thermostat had to be replaced. Another tow and another rental. I need to be compensated for stress aggravation and loss of use. Repairs and car rental and tow cost over $3500

NHTSA ODI 11432548

3/23/2021 DRIVING ON I-94 IN MORNING RUSH HOUR WHEN ENGINE KILLED. WAS ABLE TO ROLL OVER TO THE MEDIAN BETWEEN AN ON-RAMP AND THE HIGHWAY BEFORE CAR STOPPED MOVING. CHARGE BATTERY LIGHT ON ON THE DASH AS WELL AS CHECK STABILIZATION WARNING. WOULD NOT TURN OVER AT ALL BUT DASH LIGHTS/WIPERS WERE ON (RAINING). TOWED TO MECHANIC I'VE TAKEN VEHICLES TO FOR PAST 4-5 CARS/TRUCKS. IT WAS FOUND THAT THE #2 PISTON RING CAME OFF AND JAMMED BETWEEN THE CYLINDER WALL AND PISTON CAUSING THE ENGINE TO SEIZE/NEED TO BE REPLACED. ONCE IT WAS REPLACED AND WHILE DOING A TEST DRIVE, THE MECHANIC FELT A VIBRATION AND THEY FOUND THAT THERE WAS MOVEMENT ON THE PASSENGER SIDE AXLE SO THEY REPLACED THAT AS WELL. THE CAR HAD 116.5K ON IT WHEN I PURCHASED ABOUT 2 WEEKS PRIOR TO THE ENGINE AND CV ASSEMBLY NEEDING TO BE REPLACED. JUST GOT CAR BACK YESTERDAY, JUST OVER A MONTH AND A HALF TO REPAIR.

NHTSA ODI 11416491

ENGINE BLEW A YEAR AGO AND I HAD TO HAVE THAT REPLACED BECAUSE THE ROD BEARINGS BLEW AT 90,000 MILES. REAR DIFFERENTIAL HAS FAILED NOT ONCE BUT 2 TIMES. FAILED THE FIRST TIME 11/24/2020 AND AFTER $2200 IN REPAIRS AGAIN ON 01/23/2021. NEVERMIND ALSO HAVING BOTH FROM CV AXLES REPLACED AS WELL. BUT THE REAR DIFFERENTIAL FAILURE I HAVE BEEN SEEING ON A LOT OF BMW'S.

NHTSA ODI 11389810

WHILE DRIVING AT 40MPH, MY VEHICLE SHIFTED INTO NEUTRAL BY ITSELF AND ALMOST CAUSED A MAJOR ACCIDENT. THIS HAPPENED 3 TIMES YESTERDAY AND NOW I'M AFRAID TO DRIVE IT.

NHTSA ODI 11364323

MY COOLANT FAN IS MOVING FASTER THAN IT SHOULD BECAUSE THE WATER PUMP IS FAILING. IT ALMOST CAUGHT FIRE THE OTHER DAY WHEN MY CHILDREN WERE IN THE CAR.. IT WAS AT A STOP LIGHT WHEN I HEARD THE FAN SPINNING AT A HIGH RATE OF SPEED AND WAS SMOKING TERRIBLY.

NHTSA ODI 11319019

I WAS DRIVING MY CAR ON A ROAD WHEN A WARNING LIGHT CAME ON. I PARKED THE CAR HOME, SINCE I WAS CLOSE TO HOME. THE SAME WEEK I TOOK THE CAR TO A BMW SPECIALIST BECAUSE THERE WAS A NOISE COMING FROM THE ENGINE. AFTER $467.00 SPENT ON LABOR, JUST TO TELL ME I NEED A NEW ENGINE. THIS CAR HAS 72K MILES. THIS IS A CAR THAT I ONLY DROVE ON WEEKENDS AND NOT EVERY WEEKEND. THE CAR IS NOW PARKED IN MY GARAGE BECAUSE TO REPAIR IT IT WILL COST ME $11K. I HAVE HEARD THIS COMPLAINT FROM SEVERAL BMW OWNERS. THE CAR STILL RUNS BUT THE NOISE WILL NO GO AWAY.

NHTSA ODI 11231813

WAS DRIVING SUDDENDLY CAR LOST SPEED TO 20MPH RPMS REVED UP TO 4000. WOULD NOT GO ANY FASTER HAD TO PULL OVER THE CAR PUT ITSELF IN NEUTRAL THEN TURNED ITSELF OFF FEW MINUTES LATER WAS ABLE TO TURN THE CAR BACK ON AND RESUME DRIVING .. IT WA A CITY STREET CLEAR WEATHER HE POWER TRAIN MALFUNCTION WASINDICATED ON THE SCREEN VERY UNSAFE TO DRIVE ON CITY STREETS PLUS INTERSTATE HIGHWAYS THROUGH ATLANTA.

NHTSA ODI 11186943

TL* THE CONTACT OWNS A 2012 BMW 5-SERIES. THE CONTACT STATED THAT THE VEHICLE EXCESSIVELY OVERHEATED WITHOUT WARNING. THE CONTACT CONSTANTLY HAD TO EXERCISE CAUTION IN THE EVENT THAT THE VEHICLE MAY HAVE REDUCED ENGINE POWER AND WAS UNCERTAIN IF THE FAILURE WOULD RESULT IN A FIRE. BMW GALLERY OF NORWOOD (918 BOSTON PROVIDENCE HWY, NORWOOD, MA 02062, (888) 441-2338) WAS NOTIFIED OF THE FAILURE, BUT HAD NOT SPECIFIED IF THE FAILURE WAS RELATED TO ANY RECALL CAMPAIGNS OR TECHNICAL SERVICE BULLETINS. THE DEALER STATED THAT FURTHER DIAGNOSTIC TESTING WAS REQUIRED. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 40,000.

NHTSA ODI 11176482

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. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND DID NOT ASSIST. THE APPROXIMATE FAILURE MILEAGE WAS 100,009.

NHTSA ODI 11121508

VEHICLE HAS ISSUES IN LINE WITH THE RECALL THAT HAS BEEN EXTENDED FOR SOME VIN NUMBERS UNDER RECALL NUMBER #16V746000. VEHICLE HAS EXPERIENCED SHAKING UNDER ACCELERATION, SPUTTERING, FLASHING CHECK ENGINE LIGHT AND, MULTIPLE TRIPS TO THE DEALERSHIP. THE VEHICLE HAS HAD ITEMS NOTED UNDER THE RECALL FIXED AT THE EXPENSE OF THE VEHICLE OWNER. CURRENTLY THE HIGH PRESSURE FUEL PUMP HAS BEEN REPLACED, AS HAS THE BATTERY WITHOUT MAKING ANY CHANGE ON THE VEHICLES PERFORMANCE. IT IS CURRENTLY IN THE DEALERS HANDS (FOR THE LAST MONTH) WITH BMWNA CURRENTLY REVIEWING THE SERVICE RECORDS TO SEE IF THEY WILL COVER THE ISSUE. THE VEHICLE HAS EXPERIENCED ISSUES WHILE MERGING INTO TRAFFIC, ACCELERATING, AND DAILY DDRIVING.

NHTSA ODI 10958015

I WAS DRIVING AT ABOUT 65 MPH ON A HIGHWAY UPHILL, ENGINE COMPLETELY STALLED, NO POWER, GOT A MESSAGE "DRIVE-TRAIN MALFUNCTION, NO MAXIMUM OUTPUT, DRIVE MODERATELY". I WAS SURROUNDED BY CARS/SEMI TRUCKS, VERY DANGEROUS SITUATION. MANAGED TO PULL OVER ON THE SHOULD. COULD NOT RESTART CAR, GOT A MESSAGE "AUTOMATIC START/STOP DEACTIVATED: ENGINE WILL NOT START AUTOMATICALLY. PRESS THE START/STOP BUTTON TO START THE ENGINE." ABOUT 30 MINS AFTER ENGINE STALLED, I FINALLY RESTARTED THE CAR. CONTINUED TO DRIVE ON THE HIGHWAY FOR ABOUT 10 MILES @ 60-65 MPH. AT A LOCAL STREET, AS I SLOWED DOWN TO APPROACH A TRAFFIC LIGHT, ENGINE STALLED AGAIN, NO POWER, CAR STOPPED IN THE MIDDLE OF ROAD, GOT THE TWO SAME MESSAGES, COULD NOT START CAR. ABOUT 30 MINS AFTER ENGINE STALLED, I FINALLY STARTED THE CAR.

NHTSA ODI 10895472