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WTB/WTT / WTB: E30 M42 oil pickup
« on: July 31, 2019, 08:39:36 PM »
Looking for the oil pickup, must be from an E30.
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Sure. I just pull off the heater hoses, radiator hoses, and the block & rad drain plugs. I then use a garden hose to flush the old coolant out of the block drain, the heater core and the radiator. I then re-connect the hoses and flush the heater core & radiator with a bit of the new coolant mix. Finally, I replace the drains and fill as much of the system with coolant as possible, finally reconnecting the hoses to seal the system up again.
I'm sure it leaves a bit of tap water in the system, but I'm figuring spent coolant is worse for the system than a bit of chlorinated water. I'd guess you could alternatively do this with distilled water and a short length of hose too.