If you encounter a rounded nut - buy yourself a knipex cobra head pliers - I have not met a single nut that won against it.

It grips harder than a pipe wrench but has a thinner profile.

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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)