Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Intelligent Safety Integration System (ISIS): Notes
Model: E65 - 745i
Production Date: 11/2001 - Start of Production
Objectives
After completing this article you should be able to:
- Understand the reason why the ISIS uses a network of satellites instead of controlling all functions by one central control module.
- Describe the various modules and safety systems used in the E65.
- Understand the reason for the various self-diagnosis functions of the SIM and satellites.
- Understand the triggering strategy of the ISIS.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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