Transport CanadaCritical
2021 BMW 4 SERIESTransport Canada Recall #2020605
The official notice
Defect
On certain vehicles, the bolts that connect the 48-V battery cables to the starter-generator may not have been installed correctly. As a result, the electrical connections could overheat.
Safety Risk
Electrical connections that overheat could increase the risk of a fire.
Remedy
BMW will notify owners by mail and instruct you to take your vehicle to a dealer to inspect the bolts connecting the 48-V battery cables to the starter-generator and replace them, if necessary.
130 vehicles affectedMfr ref: 12 88 20RCUpdated June 10, 2026