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Immobilizer/Anti-Theft Module
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 software version compatibility with your vehicle's VIN to ensure the immobilizer/anti-theft module functions correctly.
Inspect physical condition of the module for any signs of damage or tampering.
Context
When sourcing an immobilizer/anti-theft module for your 2011 BMW 528i (3L I6 N52B30), BMW part number 65129184056 is the OEM option to look for. Ensure that the module matches engine code N52B30. This part is also interchangeable with other BMW 5-series models from 2008 to 2016 (E60/E61), but compatibility should be verified with both the module type and the vehicle's VIN to ensure the software version matches. During installation, it's crucial to follow BMW's protocol for coding the new module to your vehicle to prevent any security system issues. Common failures include module malfunction due to software corruption or physical damage, so inspect the module carefully before purchase.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2011 | BMW | 528i | 3L I6 Naturally Aspirated N52B30 (240hp) | 80% |
Available parts

Seller: Marketplace seller
$39
Asking
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