Standard Ignition Starter Relay P/N:RY-478
The Standard Ignition Starter Relay RY-992 uses a low-current signal from the start circuit to switch power to the starter circuit. It is a direct-fit replacement for the listed applications and fits many BMW models, including the 2012-2015 BMW M5 and the 2011-2013 BMW X5. See the "Vehicles it fits" section for the full list and engine details.
A starter relay lets a low-current control circuit switch the heavier current the starter circuit needs. These are signs the relay may need replacing: a click with no crank, a starter that does not engage when you try to start the engine, or an intermittent no-start. The same symptoms can come from the battery, cables, start control circuit or starter, so diagnose the starting system first. If the relay is the cause, the RY-992 replaces it.
Interchange: 61367661503 · R6498 · AR6498
This part cross-references / interchanges with the following part numbers:
What does a starter relay do?
It uses a small control signal from the start circuit to switch power to the starter circuit. That way the control circuit does not have to carry the starter's heavier current directly.
Is this the right M5 relay for my 2012-2015 BMW M5?
Yes, it is listed for the 2012-2015 BMW M5 and fits many other BMW models, including the 2011-2013 BMW X5. See the "Vehicles it fits" section for the full list.
What are signs a starter relay may need replacing?
Common signs are a click with no crank, a starter that won't engage, or an intermittent no-start. These can have other causes, so diagnose the starting circuit before replacing the relay.
What is the relay housing made of?
The housing is a high-quality composite, designed to protect against harsh temperatures and demanding under-hood conditions.
What part numbers does the RY-992 interchange with?
The Standard Ignition RY-992 cross-references to 61367661503, R6498 and AR6498.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.