I've towed it to a specialist and they've found the wiring harness to have been wired incorrectly by the shop, causing it to rub on the steering column which likely shorted the ECU. We've bench tested the ECU and are not getting any communication which indicates the unit is likely fried/damaged.

UPDATE: The car now cranks/turns over but won’t start…

Notes:
The engine cranks over resiliently but no spark or fuel (yet to pull the plugs to verify)
The fuel pump is constantly priming/circulating fuel when the car is in auxiliary

As mentioned, the gearbox has been manually placed into neutral ...

Thanks for the input gents, I can't see any physical damage/burn marks on the ECU pins nor the connector. I would have thought the DME fuse/relay would have shorted before damaging the unit itself? One thing I did forget to mention - immediately after the car stalled out, when I tried restarting I ...

G’day I recently purchased a E70 2011/12 BMW X5M 4.4L TT,

The engine was just pulled and rebuild by a reputable specialist in Brisbane, QLD. After 2 months and over $18K the car was ready, so I thought… 950KMS after collection I experience an issue with the TCM where the car displayed DSC and ESC ...