The plastic covering over that is connected to the battery in the trunk started to slowly corrode and melt. It burned through the trunk cover and also burned into a bag and coat I had sitting in the trunk. I was on a long-distance road trip and I kept smelling something odd, but no warning lights came on. When I opened the trunk and removed my luggage, there was some smoke and then I saw the…
2015 BMW 535i electrical problems
moderate 3 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
3
Recalls
0
Avg fix
$850
When does it fail?
Of the 3 electrical complaints filed for the 2015 BMW 535i, 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
Of the 5 model years of BMW 535i we track for electrical problems, this one has the fewest owner complaints on file (3).
No new NHTSA electrical complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
My 2015 BMW 535i xdrive with less than 50k miles had the door lock actuator stop working. If you tried to open the door (once the car was in park, or turned off) and the lock button would come up and go back down but would not unlock. The only way to get the door to unlock was to push the unlock button on the center console. I have read online that this has been an issue on multiple versions of…
Myself along with thousands of other owners are having moisture build up issues inside the headlight that eventually create puddles of water that short out the headlights which is $5000 for each headlight replacement.
Had electrical trouble with your 2015 BMW 535i?
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 electrical problem on the 2015 BMW 535i?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 3 complaints filed, electrical issues most often appear around 50,000 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 $850 for electrical 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 electrical?
No active recalls currently cover electrical 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/2015/BMW/535i.
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.