2026 Bmw M4 problems, complaints & recalls
Safety recalls (1)
Electrical System:wiring:power Distribution Module/Ipdm 2025-09-25 · campaign 25V643000 · 4 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2026 M4 and 430i vehicles. The positive battery cables may not be properly connected to the power distribution box, resulting in an engine stall and a fire.
Risk: An engine stall increases the risk of a crash and a fire increases the risk of injury.
Fix: Dealers will inspect and replace cables and power distribution box as necessary, free of charge. Owner notification letters were mailed November 20, 2025. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 17, 2025.
Service bulletins (3)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-02-06 · B110126 · Service Campaign
delivery stop - bearing shell
Service Brakes 2025-12-17 · B340925 · Service Bulletin/Repair Instructions
there may be an internal leakage in the brake fluid expansion tank (aka brake fluid reservoir). in the rarecase of a leak, the filling level sensor might malfunction over a relatively long period of time.
Electrical System 2025-10-03 · B840625 · Service Bulletin/Repair Instructions
in some situations, an emergency call may be triggered in the vehicle without either the customer pressing the sos call button, or an airbag deployment event. in some cases, the customer may not even be inside the vehicle.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.