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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 530E 2016–2021technical service bulletin

Bulletin B640721 · NHTSA communication 10204658 · issued Sep 1, 2021

Technical service bulletin
communication type
Electrical System
component
2016–2021
model years
56
vehicle entries

Official summary

Only warm air comes out of the vents despite the air conditioning being switched on. The status indicator LED on the air conditioning control panel (IHKA) lights up green.

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.