BMW 5 Series: Digital Motor Electronics (DME)

DME 8 control unit
The 8th generation engine electronics form a common control unit platform for
gasoline and diesel
engines that have been used since modular engines were introduced. Its
appearance is characterized
by a uniform housing and a uniform connector strip. The hardware inside has been
adapted to
the respective applications. The Bx8TU engines have the DME 8 engine electronics
generation.
Depending on the engine version, the Digital Motor Electronics (DME) will be
given a specific
designation.
DME 8.xTyz (x = number of cylinders, Ty = vehicle electrical system
architecture, z = H (hybrid)) can be
decoded as follows:
- DME 8.4T1 = B48
- DME 8.4T0.H = B48 PHEV
- DME 8.6T0 = B58
- DME 8.8T0 = N63
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B58TU engine, component temperature sensor
Component temperature sensor
The B58TU engine uses a component temperature sensor in addition to the
coolant temperature
sensor to control the coolant
SEE MORE:
Button in the vehicle
Park assistance button
Ultrasound sensors
With the four side ultrasound sensors, arrows,
and the ultrasound sensors of PDC Park Distance
Control in the bumpers, the parking
spaces are measured and the distances to obstacles
determined.
Functional requirements
Ultrasound sens
Concept
DTC is a version of the DSC Dynamic Stability
Control where forward momentum is optimized.
The system ensures maximum headway on special
road conditions or loose road surfaces, for instance
unplowed snowy roads, but with somewhat
limited driving stability.
General information
When DTC is ac