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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
Front Subframe/Cradle
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
Quick reference
Verify the compatibility of subframes between different engine variants.
Check for differences in production years that may affect fitment.
JDM vs USDM specifications may vary; confirm local market part numbers.
Context
When replacing the front subframe in your 2011 BMW 528i, which features the N52B30 engine, it's essential to reference the OEM part number 31126765444. This component plays a critical role in the vehicle's structure and suspension. During installation, inspect the subframe for any signs of wear or stress fractures, especially around the mounting points. Common failures may include corrosion or bending due to impacts. If you're sourcing a replacement from a junkyard, look for compatible models from 2008 to 2016 within the 5 Series (F10/F11) lineup, ensuring you also check part number 31126765445 for potential interchangeability. Verify the condition of any used parts and match the mounting brackets closely to avoid misalignment issues during installation.
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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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