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OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Coolant Temperature Sensor
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
3L I6 Naturally Aspirated N52B30 (240hp).
Quick reference
Verify mounting bracket differences across model years.
Some JDM models may have different specifications.
Context
When replacing the coolant temperature sensor on a 2011 BMW 528i with the N52B30 engine, it's crucial to consider the OEM part number 13621433017. This sensor plays a vital role in monitoring engine temperature and ensuring optimal performance. During installation, check for proper sealing and connector integrity to prevent coolant leaks. Other compatible models include the 2006-2010 BMW 325i and 2006-2011 BMW Z4 3.0i, which may use the alternate part number 13627525777. Inspect the sensor for signs of corrosion or damage, as these are common failure points that can lead to inaccurate readings and engine overheating.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2011 | BMW | 528i | 3L I6 Naturally Aspirated N52B30 (240hp) | 80% |
Available parts

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