Quote:
Originally Posted by diegoX
2010 x5 35d. Excuse my ignorance guys but is this the drain plug for the engine coolant? It's next to the oil drain plug. The radiator doesn't have any of those blue drain plugs It's a torx screw, anyone know the size? It's definitely more than T55, 15.87 mm to be exact measured by caliper. Thanks

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No. Its drain for the front differential.
There is no drain plug for the coolant on E70 35D.atleast not on mine.You will have to undo one of the bottom hose to drain the coolant out.
And it's allen keyed plug not torx..