1998 BMW 540i BMW 540I 1998 E39 Central Body Electronics ZKE Manual

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual Table of Contents
SubjectPage
Central Body Electronics (ZKE III)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Objectives of the Module  . . . . . . . . . . . . . . . . . . . . . . . .

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual 2
Central Body Electronics ZKE III
Objectives of the Module
After completing this module, you will be able to:
• List the functions directly controlled by the GM III.
• Describe how the GM III rec

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual 3
Central Body Electronics ZKE III
Central Body Electronics (ZKE III)
Purpose of the System
The Central Body Electronics (ZKE III) system manages the following functions:
GM III
• Windshield Wiping/

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual 4
Central Body Electronics ZKE III
System Components
General  Module  (GM): The  GM  is  reponsible
for  the  operation  and  central  coordination  of
body  electronics.  The  GM  is  a  micro-comput

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual 5
Central Body Electronics ZKE III
The ZKE III system offers an overall reduction in vehicle wiring particularly in the areas sub-
ject to wear from movement such as doors, seats and the steering colu

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual 6
Central Body Electronics ZKE III
The following is an overview of new or changed features found on the E53 ZKE III variant: 
• Passenger’s door module is incorporated into the passenger’s door

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual 7
Central Body Electronics ZKE III
Power Distribution
The power distribution box for the
E38  is  incorporated  in  the  Electr-
onics  box  in  the  engine  compart-
ment. 
The power distribution box

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BMW 540I 1998 E39 Central Body Electronics ZKE Manual Fused Power Distribution Centers
The E38, E39 and E53 utilize high amperage fused power distribution centers. 
The  E38  and  E39  locations  are  found  under  the  carpet  on  the  passenger’s  si
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