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The black box you are referring to is likely a factory-installed or aftermarket module related to the vehicle's electronic systems, such as a powertrain control module or a tuning device. The part number BD 25173339 C indicates it could be specific to your vehicle's model and year. The two harness connectors are typically used for connecting the module to the vehicle's wiring harness for power and data communication. If you're unsure about its specific function, consulting a dealership or an automotive technician would provide clarity.

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4mo ago

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