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.
MSS60 Engine Control System
The S65 features a revised engine control system, the MSS60, which is based on the MSS65 in the S85 engine.
This engine control system is designed for engine speeds of up to 9,000 RPM.
These engine control units belong to the latest generation and are characterized by an extremely high data processing capability, processing millions of calculations per second.
The main functions are described in the product information for the E60 M5.
The following is a description of the areas of the system that differ from the MSS65.
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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.