Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 330I 2016–2020technical service bulletin

Bulletin B270220 · NHTSA communication 10176367 · issued May 1, 2020

Technical service bulletin
communication type
Wheels
component
2016–2020
model years
60
vehicle entries

Official summary

JERKING OR SHUDDERING FROM THE DRIVELINE (XDRIVE TRANSFER CASE ATX13-X): There is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages. CAUSE Unevenly worn or incorrect fitment tires are installed on the vehicle or the factory-filled transfer case oil does not meet BMW specifications.

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.