BMW 128I 2011–2012 — technical service bulletin
Bulletin SIB-61-07-13 · NHTSA communication 10053486 · issued Aug 1, 2013
Technical service bulletin
communication type
Structure
component
2011–2012
model years
5
vehicle entries
Official summary
Bmw: corrsion protection is insufficient on the outside of the trunk around the battery connector which could lead to corrosion of the body. *kb updated 11/1/13. *pe
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.