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 550i engine problems
severe Owners of the 2012 BMW 550i have filed 8 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 →
Complaints
8
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2011 550i | 17 |
| 2012 550i (this page) | 8 |
| 2013 550i | 4 |
1fire
When does it fail?
Of the 8 engine complaints filed for the 2012 BMW 550i, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
Engine accounts for 23% 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 4 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 7 most recent
The contact owns a 2012 BMW 550i. The contact stated after parking and exiting the vehicle, he noticed coolant leaking on the front driver’s side and saw white smoke exiting near the water pump. The contact stated the low coolant fluid and the drivetrain malfunction warning lights were illuminated. The contact stated the smoke disappeared on its own. The contact stated that he continued driving…
Son was driving car and car just shut off in the middle of the road without any warning. Car was towed to BMW dealership and they want to charge $3000 to tear down engine to see why engine locked up. Car was bought 31 may 2019 and shut down after driving a little over 3,000 miles 12 october 2019. Just a complete runaround with BMW offices.
Tl* the contact owns a 2012 BMW 5501. While driving approximately 65 MPH, the "service required soon" message illuminated on the message center and the vehicle stalled. The contact coasted the vehicle to the shoulder. The vehicle was towed to global imports (550 interstate north pkwy se, atlanta, ga 30339) where it was diagnosed that the engine seized and a new one was needed. The contact also…
Tl* the contact owns a 2012 BMW 550i. The vehicle stated that while driving at 30 MPH, the vehicle stalled as all the warning lights illuminated. The vehicle failed to restart after numerous attempts. The vehicle was taken to a dealer where it was diagnosed that the vehicle was hydro-locked. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was…
Takata recall car uses excessive amounts of oil, a quart every week.
Tl* the contact owns a 2012 BMW 550i. While driving approximately 50 MPH, the vehicle shook. The contact pulled over and turned off the vehicle. Shortly afterwards, the engine malfunction warning indicator illuminated and the vehicle shook again. The contact pulled over a second time and turned off the vehicle; however, it failed to restart the second time. The contact had the vehicle towed to…
Engine is available for inspection upon request. Earlier this month, my 550i completely shut off at a traffic light. When attempting to restart the engine, the Starter strained very hard and smoke came out of the engine. Engine was immediately shut off and the car was towed to a local shop. In turn the shop replaced the Starter the following day and heard knocking from the engine once it turned…
Had engine trouble with your 2012 BMW 550i?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2012 BMW 550i?
It's a meaningful issue. 8 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 8 complaints filed, engine issues most often appear around 61,707 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2012/BMW/550i.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.