Engine and engine cooling: engine
Risk. Loose or broken VANOS unit bolts can result in an engine stall, increasing the risk of a crash.
NHTSA has logged 7 owner complaints about the 2012 BMW 3 Series, most often about the engine. It is covered by 3 safety recalls, and for recall 22V-119 the manufacturer reports only 27% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 20, 2023. Updated daily. Photo: Navigator84, CC BY-SA 3.0.
7 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 3 | 0 |
| Fuel/propulsion system | 2 | 0 |
| Steering | 1 | 0 |
| Structure | 1 | 0 |
| Air bags | 1 | 0 |
| Vehicle speed control | 1 | 0 |
| Seats | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. Loose or broken VANOS unit bolts can result in an engine stall, increasing the risk of a crash.
Risk. An electrical short can cause the PCV valve heater to overheat, increasing the risk of a fire while driving or, soon after driving when parked.
Risk. IN THE EVENT OF A VEHICLE CRASH, THE HEAD RESTRAINT MAY UNEXPECTEDLY MOVE DOWN SLIGHTLY IF IT WAS ADJUSTED TO THE FULLY EXTENDED POSITION, INCREASING THE RISK…
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with BMW.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the 3 Series median. How we score
Federal investigations that included the 2012 BMW 3 Series, and the recalls they led to.
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
AUGUST 6, 2016 - CAR STALLED AT ABOUT 50MPH, JUST WHEN ABOUT TO GO UPHILL. I WASN'T ABLE TO MAKE IT TO THE SHOULDER LEAVING THE CAR BLOCKING TRAFFIC WITH MY WIFE AND DAUGHTER IN IT. ONCE IT STOPS, IT PUTS ITSELF IN PARK, MAKING IT IMPOSSIBLE TO PUSH ASIDE. WE CREATED A TRAFFIC JAM AND POLICE…
WHILE IN LINE IN A DRIVE THRU THE VEHICLE TURNED OFF SUDDENLY LOSING ALL ELECTRICAL POWER AND POWER STEERING. UPON TRYING TO START "CHARGING MALFUNCTION" APPEARED ON THE INFORMATION SCREEN IN WITH A RED WARNING SIGN. TRIED 2-3 TIMES TO TURN OVER STARTER. WHEN VEHICLE TURNED ON IT WAS TIME TO MOVE…
VANOS BOLT FAILURE. 4 VANOS BOLT BROKEN. CAR STALLED WHILE DRIVING. THE CAR WAS DRIVING ON A CITY STREET WHILE TURNING. NO POWER AT ALL. IT IS A 2011 328I.
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.