Engine Controls - Acceleration Delay While Driving
SI B12 07 05Engine Electrical
June 2005
Technical Service
SUBJECT
Vehicle Exhibits an Acceleration Delay While Driving
MODEL
E66 (7 Series) with N73 engine. All vehicles produced from 9/2002 up to 3/2005.
E53 (X5) with N62 4.4i and 4.8i engines. All vehicles produced from 10/2003 up to 2/2005.
SITUATION
The customer complains that the engine intermittently does not accelerate, even though the accelerator pedal is firmly depressed.
CAUSE
DME calibrations causing a high sensitivity to accelerator and brake pedal dual application.
PROCEDURE
E66 (7 Series) equipped with N73 engine
On a customer complaint basis only, reprogram the vehicle using CIP 17.01 or higher.
E53 (X5), all vehicles equipped with N62 4.4i and 4.8i engines
Reprogram DME and GKE with P41.2 or higher.
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty. Refer to appropriate KSD CD for labor allowance.
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