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      08-12-2019, 11:01 AM   #123
Lor443
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Drives: 2010 M3
Join Date: Apr 2012
Location: Brooklyn

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Quote:
Originally Posted by pbonsalb View Post
The problem is the mess you make if you just let coolant spill all over the front of the engine onto the belts and pulleys. I suppose you could rinse it down after. I drained down some, maybe 2-3 quarts.
Also, if I just siphon some of the coolant out, change the thermostat and sensor and then refill am I good?

Do I need to touch the bleed screw or just siphon and refill?
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