Originally Posted by snik

Got it on a lift at my buddies shop.
Got to see progress of the E39 M5 wagon he's building. I can't wait. Engine is out of the donor M5 and the touring is gutted. They're currently trying to figure out if they can use the touring harness, or if a harness transplant will be necessary.

Anyway. X5 shows no sign of coolant at the back, around he bell housing, and no sign of leaks from the weep hole by the pump. So all things point to the expansion tank. I'm telling myself I spotted residue on the tank. But my boy isn't so sure.
I'm home for a few weeks before I deploy, so I'm gonna monitor it and see if it goes away. A part of me really wants to just replace the damn thing, but I hate throwing money at shit that doesn't need it.



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