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      12-12-2020, 08:38 AM   #20
SilverSlug
Hey, where have you been all my life?
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Drives: 2011 M3 6MT
Join Date: Jul 2018
Location: San Francisco, CA

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Quote:
Originally Posted by pbonsalb View Post
The expansion tank is above the highest coolant level in the motor so it should be self bleeding. I used no special procedure after draining my coolant out of the block drains. I would run the heater circuit to make sure it is full. Turning the ignition on but not the engine may allow the auxiliary pump to help circulate some but I forget how much good that did.
Nice. Thanks. How much coolant will I need after replacing the fuel pump?

Does the entire system get drained during the process?

Do I need the full 3 gallons?
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