2015 BMW M4 Electrical system Problems
- Complaints
- 4about this part
- Share
- 33%of 12 total for the year
- Median mileage
- 21,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2015 BMW M4, 33% of the 12 complaints for this model year. Where a mileage was given, the median is 21,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driver side door lock fail to unlock to allow door open when interior door release pulled. Occurred occasionally at first, now regularly but not always. The car designed to automatically locks when driven, once car parked and ready to get out, door lever fails to unlock and allow door to open. Normally first pull of interior door lever unlocks and second releases door. When this issue happens first pull fails to unlock, the lock button by door comes up, but springs back down, trapping the driver as door unable to be opened. …”
NHTSA complaint #11324374, filed 2020-05, 13,000 miles“The instrument cluster display no longer functions. Unable to see odometer. Unable to see any vehicle warnings such as fuel warnings, airbag warnings, adas warnings. If I am unable to utilize the instrument cluster display it puts myself and others in harms way as if there is an issue with the vehicle or a warning, I would be unaware as there is no way for that information to reach me. The issue has been confirmed with a code of : B7f694 The display back lighting has failed. BMW states this out of their warranty/workmanship coverage. …”
NHTSA complaint #11613582, filed 2024-09Related service bulletins
- 10249027Jan 11, 2024The 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…
- 10238090May 1, 2023After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
- 10235205Mar 1, 2023The 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…
- 10235202Mar 1, 2023Exterior rear lights do not work.
- 10218384Jun 1, 2022Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note…
- 10214990May 1, 2022The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map…
- 10200249Jun 1, 2021The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting…
- 10186227Dec 1, 2020?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than…
- 10179009Jul 1, 2020NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best…
- 10176377May 1, 2020CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2016 | 1 | 5% |
| 2015 | 4 | 33% |
Other parts of the 2015 BMW M4
5 complaintsTransmission and drivetrain
4 complaintsBrakes
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2015 BMW M4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology