BMW 1 Series M 2011–2012 — technical service bulletin
Bulletin B260516 · NHTSA communication 10146576 · issued Mar 1, 2017
Technical service bulletin
communication type
Power Train
component
2011–2012
model years
15
vehicle entries
Official summary
?Service Action: Replace the Flexible Disc on the rear driveshaft What's New: ? A new Plus Code labor operation has been added. Refer to the Warranty section. This Service Information bulletin replaces SI B26 05 16 dated December 2016. The flexible disc (giubo) that connects the rear driveshaft to the transfer case may crack. Excessive angular load on the flexible disc on the driveshaft.
Vehicles covered
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.