Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 530E 2017–2021technical service bulletin

Bulletin B340121 · NHTSA communication 10187475 · issued Jan 1, 2021

Technical service bulletin
communication type
Electronic Stability Control
component
2017–2021
model years
28
vehicle entries

Official summary

DYNAMIC STABILITY CONTROL (DSC) UNIT DOES NOT RESPOND AFTER PROGRAMMING: After programming the vehicle using ISTA, the DSC control unit does not respond. Or: In the case of a BMW Remote Software Upgrade, the customer gets a Check Control message: "BMW Remote Software Upgrade failed. Vehicle is not operational. Please call BMW Roadside Assistance."

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.