BMW 340I 2016–2017 — technical service bulletin

Bulletin B240317 · NHTSA communication 10136719 · issued Oct 1, 2017

Technical service bulletin

communication type

Power Train

component

2016–2017

model years

vehicle entries

Official summary

8HP50 TRANSMISSIONS GEAR SHIFTS FROM REVERSE TO NEUTRAL: After a cold start, when the transmission gear selector is placed in R and driving resumes, intermittently transmission may shift to Neutral

Vehicles covered

2016 BMW 340I
2017 BMW 340I
2017 BMW 440I
2017 BMW 540I
2017 BMW F800 R
2017 BMW M240I

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.