I think Dr Bert uses this one, I personally have operated the Launch X431 (large as a briefcase) and it was pretty slow but worked and could get the deep level codes from MBs (The owner told me he paid extra for it)

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)