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      02-23-2020, 10:58 AM   #7
MightyMouseTech
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Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

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Quote:
Originally Posted by gjm120 View Post
Quote:
Originally Posted by MightyMouseTech View Post
Easiest way is to remove the small coolant line than runs from the upper rad hose to the coolant reservoir at the reservoir end. Put that end into a bucket. Start the bleed procedure and keep topping up the coolant as it cycles. Keep going till you have run a couple of gallons through. Reconnect the line and done.
This sounds like the best idea I've heard. Minimal mess and no splash shield removal.

I assume you have to run the 50/50 mix thru so you're tossing out about 1/2 gallon of antifreeze?

Also assume the car needs to be brought to temperature where the thermostat opens up - right?
Yup. Just dump in premixed. Put heater on full heat, fan speed 1. Remove the intake snorkel to allow more movement for the line. You will also need to disconnect the rad fan electrical connector. Will make sense when you go to do it. Can do it warm or cold. Normally mix one jug of concentrate with water, which is 8 L total.

Super easy, and no mess.
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