SI B24 02 12
Subject:
N52T/N55 with 8HP45: Delay in Engine Response
Model
E70, E71 with the N55 engine and 8HP45 transmission from 4/1/2010 to 1/16/2012
F07, F10 and F25 with either N52T or N55 engines and 8HP45 transmission up to 1/16/2012
Situation
When slowing down to lower suburban road speeds and then reaccelerating, a delay in engine response may be experienced
This situation may be more noticeable when driving in a bend in the road or on roads with a rising gradient.
Cause
Unfavorable EGS and DME software calibration
Correction
Program the vehicle using ISTA/P 2.46.0 or higher
Marty
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