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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 550I 2009–2017technical service bulletin

Bulletin B010319 · NHTSA communication 10160281 · issued Apr 1, 2019

Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2009–2017
model years
31
vehicle entries

Official summary

N63T ENGINE - REAR MONITORING OXYGEN (O2) SENSORS: LIMITED WARRANTY EXTENSION TO 10 YEARS/120000 MILES. The malfunction indicator lamp (MIL) lights up after performing the Vehicle Test diagnosis fault(s) relating to the rear monitoring oxygen sensor(s) may be recorded in the DME fault memory.

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.