TSB Document:
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from BMW for this TSB. Call your local BMW dealer's service department & ask for a copy of TSB# 121712.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

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

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Date Published
JUL 09, 2019
NHTSA TSB #
10162396
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