Hope you have super long extensions, takes about 3 long ones to reach the top bolts from behind the transmission.

Also get a HF trans jack or make a wooden saddle that can bolt to a floor jack to cradle the transmission as you remove 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)