G01 (3rd generation X3, CLAR platform)
Key reference: 66128708368
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Diagnostic port location (OBD)
Driver's side footwell, beneath the lower edge of the dashboard adjacent to the bonnet release lever, to the left of the steering column (right side on UK/RHD vehicles). Behind a small plastic flap that must be opened to access the 16-pin port. A plastic insert may be present in the port and must be removed before plugging in a scanner. Location confirmed consistent across the full G01 production run 2017–2024 including the 2021 LCI facelift.
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