Thread: White Smoke
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      09-18-2021, 10:01 AM   #12
RoccoMarcellus
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Drives: F82 BMW M4
Join Date: Jul 2021
Location: Singapore

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Quote:
Originally Posted by CanAutM3 View Post
Quote:
Originally Posted by MatRempit View Post
I saw that the engine coolant and the IC coolant are two seperate systems on a different thread

Is this true ?

My engine coolant ( larger reservoir ) is empty but my IC reservoir is fairly filled up


I dont see any leaks on the larger reservoir. Will a leaking IC cause my engine coolant to drop ? Or are they seperate independant systems ?
They are two distinct cooling systems with no interconnection between them. So no, a leaking IC would not cause your main system to come low.

Sorry, I jumped to conclusion thinking it was your low temp IC cooling system that was leaking because it is a recurring problem with the S55.
Gotcha

So that would mean that my IC is actually fine?

Anyone know what are the common reasons why the Engine Coolant Reservoir will suddenly go empty ?

Summary
- no fault codes yet
- engine oil still at max
- engine coolant tank empty
- IC tank low just by a very little bit
- occasional white smoke from exhaust, very faint and only comes for about 2-4 seconds
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