2015 BMW 428I electrical system problems

What owners report

• “The contact owns a 2015 BMW 428I. The contact discovered that the water pump was continuously running after the vehicle was turned off. The contact referenced and associated the failure with NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the VIN was not…”

  filed Feb 3, 2026

• “The contact owns a 2015 BMW 428I. The contact stated that while the vehicle was parked, while attempting to start the vehicle, it failed to start. The contact stated that the vehicle eventually started. The vehicle was taken to an independent mechanic, where it was diagnosed with coolant pump…”

  filed Feb 3, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related recalls

• An improperly sealed electrical connector on the water pump may be exposed to water and…
  Campaign 24V608000 · Aug 13, 2024

Related service bulletins

• The basic conditions for initializing the power windows are not met.

  B510819 · Service Bulletin/Repair Instructions · issued Jan 16, 2024

• 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…

  B611305 · Service Bulletin/Repair Instructions · issued Jan 11, 2024

• After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.

  B651523 · Service Bulletin/Repair Instructions · issued May 1, 2023

Electrical System problems in other 428I years

Other reported problem areas on the 2015 BMW 428I