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Dusting off the service manual...
đź’ˇ This page improves over time as the community adds casting photos and confirms fitment
Mass Airflow Sensor (MAF)
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
đź’ˇ This page improves over time as the community adds casting photos and confirms fitment
Wiki page
3L I6 Naturally Aspirated N52B30 (240hp).
Quick reference
2011 528i transitioned from N52 to N20 turbocharged engines mid-cycle in some markets; verify engine code before ordering
USDM and EUDM part numbers may differ despite identical sensor specifications
Verify 5-pin connector configuration; early N52 variants (2004-2005) used different pin counts
Context
The BMW N52B30 hot-film MAF sensor is a critical intake component for 2011 528i F10 chassis vehicles. Primary OEM BMW part number 13-62-7-566-984 (superseded by 13-62-8-515-284) serves this generation, though interchange spans 2006-2013 N52 applications including E90 328i, E60 530i, and E82 128i. When junkyard hunting, cross-reference Bosch casting 0 280 218 240 or Siemens 5WK96421 stamped on the sensor housing rather than relying solely on BMW box labels. Inspect the hot-film element for oil saturation—a common N52 crankcase ventilation system failure symptom that causes lean mixture faults and rough idle. Installation requires meticulous handling: the 5-pin connector must click fully, and mounting screws need only 1.5 Nm torque to avoid cracking the composite housing. Verify the intake boot seal isn't torn, as unmetered air post-MAF triggers immediate drivability issues. While mechanically similar across N52 variants, verify mounting bracket geometry matches F10 specifications versus E90 chassis applications.
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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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The wiki gets better with every install.
Sign in to contributeOil contamination from failing crankcase ventilation valve is endemic to N52 engines; replace CCV system when replacing MAF to prevent recurrence