Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: pressure value too low CDA594 - Message (- 0x33E) missing, receiver DME, transmitter TFE
full bulletin at NHTSA ↗2012 BMW 750Li engine problems
severe Owners of the 2012 BMW 750Li have filed 5 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
| Model year | engine complaints |
|---|---|
| 2012 750Li (this page) | 5 |
| 2013 750Li | 4 |
When does it fail?
Of the 5 engine complaints filed for the 2012 BMW 750Li, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Engine accounts for 21% of all owner complaints filed against this vehicle, across 3 categories tracked.
No new NHTSA engine complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx) Sensor(s) to: 10 years/120,000 miles as determined by the vehicle original in-service date.
full bulletin at NHTSA ↗This bulletin outlines the procedure for checking the engine timing chains for wear, and should be completed in conjunction with SI B11 06 14, "N63 Customer Care Package." The N63CCP and N63 Engine Check the Timing Chain are NOT mandatory Technical Campaigns or Recalls. They should be completed only based on parts availability, workshop capacity, and the customer's schedule.
full bulletin at NHTSA ↗N63 CLASS ACTION SETTLEMENT - BATTERY SERVICE BENEFIT - RETROFITS/ REPLACEMENTS: This Service Information bulletin applies to: Class vehicles in operation on the road (Applicable N63 engine model vehicles); by Class members (Class Vehicle owners on the date this settlement became effective), And it provides diagnostic/repairs instructions, as well as, Warranty Information for performed remedies.
full bulletin at NHTSA ↗LIMITED WARRANTY EXTENSIONTO 10 YEARS/120000 MILES: This Service Information Bulletin replaces SI B01 05 18 dated July 2019. Engine starts poorly (hard starting) rough idle and misfires. The Service Engine Soon (MIL) lamp is on.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
Tl* the contact owns a 2012 BMW 750li. The contact stated that while driving at 55 MPH, the low coolant message appeared on the instrument panel. The contact then took the vehicle to an independent mechanic and had the coolant reservoir topped off. The contact resumed driving and the warning light appeared again. Upon checking the coolant reservoir, the coolant was again topped however, the same…
The car engine was caught on fire in the parking lot. After driving from my house (about 3 miles), the car was parked in the mall. I went in the shopping mall for 10 minutes, and I went outside. My car was on fire. Fire department came, and he broke the hood to put out the fire.
Tl* the contact owns a 2012 BMW 750li. While driving approximately 35 MPH, the vehicle shook violently, stalled, and the check engine warning light illuminated. The failure recurred numerous times. The vehicle was towed to a dealer where it was diagnosed that the fuel injector needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate…
I have only 20000 miles . After 35 MPH engine start shaking .has no power and check engine control its on.its not firs time. I know it's problem with fuel ingectors. I thing BMW has to fix this problem for free . It's not only my car.
2012 BMW 750li. Consumer writes in regards to high oil consumption. *smd the consumer stated he had to add oil frequently. *jb
Common questions
How serious is the engine problem on the 2012 BMW 750Li?
It's a meaningful issue. 5 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Based on the 5 complaints filed, engine issues most often appear around 63,333 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.