1999 BMW 528I TOURING ESP

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Page 22 of 57

BMW 528I TOURING 1999 E39 Level Control System Manual 22
Level Control Systems
Normal Mode Operation
Once the rear lid is closed, KL 15  switched ON and the engine started, the system switch-
es into the normal operation mode. In the normal mode, the con

Page 23 of 57

BMW 528I TOURING 1999 E39 Level Control System Manual 23
Level Control Systems
Special Operating Modes
Assembly Line Mode (New control module)
The assembly line mode refers to control module manufacturing.  New control modules
are stored in a deactivate

Page 27 of 57

BMW 528I TOURING 1999 E39 Level Control System Manual 27
Level Control Systems
Two Axle Air Suspension (E53 EHC II)
Purpose of the System
The  two axle air suspension system (EHC2) offers advantages over the single-axle air sus-
pension with respect to r

Page 37 of 57

BMW 528I TOURING 1999 E39 Level Control System Manual 37
Level Control Systems
In addition to the LED indicator, the following text messages can
be displayed in the instrument cluster:
T TR
RA
AI
IL
LE
ER
R 
 M
MO
OD
DE
E
A coupled trailer is identified

Page 50 of 57

BMW 528I TOURING 1999 E39 Level Control System Manual 50
Level Control Systems
Normal
The normal mode is the starting point for the vehicle’s normal operating state.  It is obtained
by way of the engine running signal.
Ride level compensation, changing

Page 53 of 57

BMW 528I TOURING 1999 E39 Level Control System Manual 53
Level Control Systems
Operating Principle
Initialization/Reset Performance
When the control unit is powered up after a reset (such as an undervoltage < 4.5 V or by a
load cutoff), different tests a