Thread: Name that leak
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      10-22-2020, 04:36 PM   #17
B50AteYourRide
a bit obsessed
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Drives: '16 340i x Drive
Join Date: Nov 2019
Location: Mid-Atlantic

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Quote:
Originally Posted by kern417 View Post
For the aux radiator, you need the engine running so that the mechanical pump is flowing too. That's why they rev the engine up, to increase the pumps flow and push out air in the system. For the intercooler system you can do it without turning on the car.
Thanks so much! You are an asset to the community.

It also says I should plug the battery to a charger. If the engine is running, why would I need to do that? Wondering if I can safely skip that step.

Just checked, the N55 has an electric water pump. I didn’t know that.

Last edited by B50AteYourRide; 10-22-2020 at 05:02 PM..