BMW 7 Owners & Service Manuals

BMW 7 Series: Introduction

BMW Steering Systems - Innovative and technically always something special

Since the introduction of the first EPS electric power steering system on the E85 in 2002, the variety of technical innovations on steering systems has rapidly expanded. Before then the following systems were used:

  • Hydraulic power steering
  • Speed-sensitive power steering (Servotronic)

The next major step with steering systems then came with the E60 and the revolutionary Active Steering system, which not only had the Servotronic function but also incorporated speed-sensitive modulation of the steering angle.

BMW also improved the electric power steering (EPS) system and used it in a variety of forms.

The main difference between hydraulic and electric power steering is in the method of generating the power assistance force that reduces the amount of force that the driver has to apply to the steering wheel.

In order to further inventively optimize the advantages of Active Steering on the new 7 Series, Integrated Active Steering has now been developed and is described in this document.

Current BMW Steering Systems

BMW STEERING SYSTEM DESCRIPTION CHART

Lateral Dynamics Systems

Lateral Dynamics Systems

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     System Overview

    Integrated Active Steering General Details Integrated Active Steering is an innovative and logical development of the Active Steering system developed by BMW. With Active Steering, a steering angle

     Functions

    Steering Systems Implementation of the Integrated Active Steering function has essentially been made possible by the new ICM system complex on the F01/F02. The Servotronic function including valve c

     Higher-level Dynamic Handling Control

    Centralized Dynamic Handling Control The interventions by the dynamic handling control systems are performed with the aim of improving agility and traction. Quite obviously, they also re-stabilize th

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     Vehicle features and options

    This chapter describes all standard, country-specific and optional features offered with the series. It also describes features and functions that are not necessarily available in your vehicle, e.g., due to the selected options or country versions. This also applies to safety-related functions and

     System Overview

    Fig. 2: CIC System Block Diagram CIC SYSTEM EXPLANATION CHART Central information display (CID) Car Information Computer (CIC) User interface (BO) Application software Hardware Fig. 3: Bus Overview E9x And E8x (Not Including E83, E85, E86) Model Series, CIC BUS EXPLANATION CHART ACSM - Adv

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