The best way to fill up these old engines is to first fill the engine from the top radiator hose into the engine, then connect it and fill from the tank. The radiator then fills up.

You can fill from the tank alone, but very slowly to prevent gurgling air locks.

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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)