CENTRAL BODY ELECTRONICS (ZKE IV) Models: E36 and Z3 - Production Date: E36 1994 MY (including 318ti) to End of Production, Z3 Coupe, Roadster (including M) 1997 MY to Present
Table of Contents
Subject........................................... ................................................. Page
Central Body Electronics (ZKE IV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Objectives of the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Purpose of the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Power Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Windshield Wiping/Washing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
318ti Rear Window Wiping/Washing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Central Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Door Lock Heating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power Windows/Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
General Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Consumer Cut Off/Overload Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Manufacturer: Hella
Pin Connectors: 6 - Black 18 pin, Black 15 pin, Yellow 26 pin, Green 26 pin, Natural 26 pin, White 15 pin

Purpose of the System
The Central Body Electronics (ZKE IV) system manages the following functions:
GM IV (1. in Diagram)
Interior Lighting
Central Locking
Door Lock Heating
Power Windows/Sunroof
Consumer Cut Off/Overload
Diagnosis

Washer/Wiper Module
(2. in Diagram)
Windshield Wiping/Washing

Relay Module (3. in Diagram)
Power Windows (rear doors -on 4 door and Convertible only)

28 pages for download here http://www.mdv.se/bmw/bmw%20sheets/3...2004-26-01.pdf