OEM Safety Box – OEM 61278844217 | For G20 G30 G11 F45 F48 F39 X3 X5 X1 530e 745e xDrive (2021–2023)

Part Information:

• Part Number: 61 27 8 844 217
• Part Name: Safety Box (High-Voltage Disconnect & Monitoring Unit)
• Supersedes (Replaces):
    61-27-8-857-381, 61278844217, 61279470054, 61279846612
• Condition: 100% New 
• Package Includes: 1 × Safety Box Module

Exact Vehicle Fitment:

This Safety Box is used across multiple BMW plug-in hybrid (PHEV) and select gasoline models from 2021 onward:

• BMW 2 Series Gran Coupé: F45 (PHEV variants)
• BMW 3 Series: G20 (including 330e)
• BMW 5 Series: G30 – 530e / 530e xDrive (2021–2023)
• BMW 7 Series: G11 – 745e xDrive (2021–2022)
• BMW X1: F48 (PHEV models)
• BMW X2: F39 (PHEV models)
• BMW X3: G01 – including X3 30e & X3 M (2021)
• BMW X5: G05 – X5 xDrive45e / X5 M (2021–2023, all engine types)

⚠️ Primarily installed on vehicles equipped with high-voltage hybrid systems (PHEV).

What Is the "Safety Box"?

The Safety Box is a **critical safety component in BMW plug-in hybrid vehicles**. It serves as the central high-voltage monitoring and emergency disconnect unit. Key functions include:

• Monitors insulation resistance of the high-voltage system
• Automatically disconnects the high-voltage battery in the event of a crash or fault
• Enables safe service access by disabling high-voltage circuits during maintenance
• Communicates with the vehicle’s central control modules (CAS, BDC, etc.)

A faulty Safety Box can cause:

• “High-Voltage System Malfunction” warning
• Vehicle fails to start or enter drive mode
• PHEV functions disabled (electric-only mode unavailable)
• Stored DTCs such as 930B10, 930A10, A8F1

Important Installation Notes:
• This module **MUST be programmed and coded** using ISTA/P or equivalent BMW diagnostic software after installation.
• Improper handling of high-voltage components can be dangerous—installation should only be performed by certified BMW technicians.
• Always follow BMW’s high-voltage safety procedures (lockout/tagout, discharge verification, etc.).
• Not required on non-hybrid (gas-only) models unless originally equipped.

⚠️ California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Note: This is an authentic BMW OEM part. Not an aftermarket replica. Designed, tested, and approved by BMW for use in hybrid electric vehicle safety systems.