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Where is the BMW 320 OBD interface located?

1 Answers

DiBlakely

07/30/25 3:08am

The BMW 320 OBD diagnostic interface is located near the driver's footwell. Bend down, position your head near the clutch area, look upwards while using a flashlight, and you will see the interface, which is the OBD port. OBD translates to "On-Board Diagnostics" in English. Below is relevant information about OBD: 1. "OBD-II" stands for On-Board Diagnostics II. To standardize the diagnosis of emissions and drivability-related faults, starting from 1996, all new vehicles sold in the U.S. must have similar diagnostic tools, fault codes, and repair procedures, complying with OBD-II regulations. With increasing economic globalization and automotive internationalization, OBD-II systems, as the foundation for drivability and emissions diagnostics, are being implemented and applied more widely. 2. OBD devices monitor multiple systems and components, including the engine, catalytic converter, particulate filter, oxygen sensors, emission control systems, fuel system, EGR, etc. 3. OBD connects various emission-related component information to the Electronic Control Unit (ECU), which has the capability to detect and analyze emission-related faults. When an emission fault occurs, the ECU records the fault information and related codes, and alerts the driver by illuminating the malfunction indicator lamp.

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