Just make sure the thermostat comes with new gasket. Easiest coolant to get is the Zerex G05... get the premixed one and you don't have to worry about water. Also get new clamps.
I could only get to the passanger side drain, flushed it 3 times and it was clear.
95 E34 530I V2.37
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Those who make peaceful revolution impossible will make violent revolution inevitable.
John F. Kennedy
Just make sure the thermostat comes with new gasket. Easiest coolant to get is the Zerex G05... get the premixed one and you don't have to worry about water. Also get new clamps.
For coolant either use the Zerex mentioned above, or the BMW blue coolant along with distilled water.
Pelicanparts.com has a pretty good price on the 'stat & housing. Might want to get the upper & lower radiator hoses from them as well. And stuff from Pelican gets up here to WA pretty quick. And I'd stay away from the aluminum 'stat housing, stick with the OE composite plastic style. The aluminum ones are poorly cast and frequently leak. And they'll also warp.
Cosmos Black/Black 1995 540iA M-Sport
BMW Individual Exclusive Edition, 1 of 65 total, 9/25/95 Build