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.
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HOMESERVICE MANUALSBMW2008M5 (E60) V10-5.0L (S85)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSDESCRIPTION AND OPERATIONBUS FUNCTIONSMOST RING, CHECK STABILITY
2008 BMW M5 (E60) V10-5.0L (S85)
MOST Ring, Check Stability
2008 BMW M5 (E60) V10-5.0L (S85)SECTION MOST Ring, Check Stability
Most Bus:checking Ring Stability
The test module enables a conclusion as to whether the MOST ring is closed or open. It can provide two results:
- The ring is closed at the moment of the check. In this case, the ring is functional (or sporadically interrupted).
- The ring is open at the moment of the check. In this case, the ring is permanently interrupted.
Exception: If only the Multi Audio System Controller (or Car Communication Computer) and Head Up display are fitted in the MOST ring, the stability of the ring cannot be checked at this time.
RENDER: 1.0x
NO RELATED
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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.