N52T / N55 with 8HP45: Delay in Engine Response
BMW technical service bulletin 121712 for 2007-2013 BMW X5, 2011-2012 BMW X3 and 2011 BMW 528I and others.
- Bulletin number
- 121712
- Component
- Engine
- 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
Owners of these vehicles have filed 754 complaints in the engine category.
Vehicles covered
- BMW X5 2007-2013 2007200820092010201120122013
- BMW X3 2011-2012 20112012
- BMW 528I 2011 2011
- BMW 535I 2011-2015 20112012201320142015
- BMW 550I 2013-2015 201320142015
- BMW X6 2008-2014 2008200920102011201220132014
- BMW 535I US 2011 2011
- BMW 550i Gran Turismo 2010-2012 201020112012
- BMW 535i Gran Turismo 2010-2012 201020112012
- BMW X5 M 2010-2012 201020112012
- BMW X6 M 2010-2012 201020112012
- BMW Active Hybrid 5 2012-2013 20122013
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