BMW 320I 2012–2014 — technical service bulletin
Bulletin 611513 · NHTSA communication 10150262 · issued Oct 1, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2014
model years
11
vehicle entries
Official summary
"ACSM and ICM Warning Lamps Are Illuminated. Various warning lamps and check control messages relating to the ACSM and ICM systems are illuminated. Many ""No Message"" faults are stored for various control modules. The ACSM and ICM modules may also not be responding to a vehicle test in ISTA. CAUSE Ground point Z10*10B is loose."
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.