F15 (incl. F85 X5 M)
Key reference: 66125A407A5
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Key
Compatible tools
ConfirmedOBD port
Illustration — use it to know where to look.
LHD (all US and Canadian cars): driver's footwell, low on the lower dash trim to the left of the steering column, directly above the left footrest and next to the hood release handle. The 16-pin socket faces down and back towards the seat, so look up at it from the pedals with a torch. Same position on sDrive35i, xDrive35i, xDrive35d, xDrive40e, xDrive50i and the F85 X5 M. If a tool powers up but will not talk to the car, check fuse 11 (7.5 A) in the BDC fuse carrier in the passenger footwell, which feeds the diagnostic socket.
Usually behind a small clip-in cover in the lower dash trim - hook a fingernail under its lower edge and pull it down and off, no tools. Many cars have lost the cover and the socket is bare. Do not lever on the hood release surround.
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