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Service bulletin B120221

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10198900
Published by NHTSA2021-07-06
Manufacturer's numberB120221
Manufacturer's date2021-05-01
NHTSA componentENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; ELECTRICAL SYSTEM

NHTSA's summary

SERVICE ACTION: INSPECTION OF THE ELECTRONIC WASTEGATE ACTUATOR CONNECTOR . Due to a software error, long charging times (10-12 hours) for the Plug-in Hybrid Electric Vehicle (PHEV) high-voltage battery may damage the internal printed circuit board and the electrical connection to the electronic wastegate actuator. A software error in the Digital Motor Electronics (DME).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Fuel system, Fuel tank

Vehicles listed
BMW 530E2018, 2019, 2020
BMW 530I2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B5127202020-12-21. Service bulletin. FUEL FILLER DOOR WILL NOT OPEN: The fuel filler door (aka flap) will not open. In rare cases, if the vehicle is locked using the remote control key and the fuel filler door is pushed closed simultaneously, the fuel door can enter a locked state that cannot be unlocked.