BMW 528I 2010–2013 — technical service bulletin
Bulletin 121712 · NHTSA communication 10162396 · issued Jul 9, 2019
Technical service bulletin
communication type
Power Train
component
2010–2013
model years
18
vehicle entries
Official summary
N52T / N55 with 8HP45: Delay in Engine Response. A customer may complain of a delay in engine response after decelerating at low road speeds and then reaccelerating. This can occur when the transmission remains in a high gear due to a delay in the transmission downshifting. This situation can be more noticeable while driving on roads with slight turns or with an increasing gradient. Unfavorable EGS and DME software
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.