The basic conditions for initializing the power windows are not met.
full bulletin at NHTSA ↗2015 BMW 320i electrical problems
moderate Owners of the 2015 BMW 320i have filed 5 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2014 320i | 9 |
| 2015 320i (this page) | 5 |
When does it fail?
Of the 5 electrical complaints filed for the 2015 BMW 320i, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical 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.
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle âÂÂdischarged batteryâ complaints.
full bulletin at NHTSA ↗After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
full bulletin at NHTSA ↗Exterior rear lights do not work.
full bulletin at NHTSA ↗The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services (Concierge Call, BMW Assistance, and emergency call voice) can no longer be used regionally in the US in vehicle with telematics control units ATM-1 and TCB-4G. Voice control of the vehicle and all other telephone (paired mobile devices) functions are not affected. Emerg
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
Vehicle continues to have lighting and electrical issues. Particularly, the left rear turn signal. I’ve repaired it 5 times and it burns out immediately. Dealer assured me they would find issue. Still burned out next day again. Notified dealership and they just want you to keep bringing it back but won’t issue a recall despite the plethora of complaints online about the same issue.
My 2015 BMW 320i gave me a warning of charging malfunction warning so I took my car to BMW service for an inspection. This was in april 2019. The service advisor let me know I could need a new battery so I approved new battery if that's what it needed. Once inspected further I was told there was an oil leak and that caused my drivebelt to deteriorate and slide off belt tensioner. The oil leak…
The engine would completely shut down while driving you had to completely take foot off gas petal because it would not excellent to make the car run it would almost come to complete slow down and stop you could then push gas and it would pick up and start running again.was worse when raining. Then the brakes got to where they would not stop and would lock up.Iwas on busy road and on interstate…
Common questions
How serious is the electrical problem on the 2015 BMW 320i?
It's a documented issue but not catastrophic. 5 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 5 complaints filed, electrical issues most often appear around 80,000 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.