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      02-14-2020, 12:20 PM   #1
Benjt2
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Low Coolant

Alright so I have a 2013 335i PWG, just recently my low coolant light came on, I had a flush early last year, so I checked and yeah its low, still some in res. But not a lot. Car is on a stage 2 custom tune.

How often do head gaskets fail? And Turbos? Idk where I'm losing coolant but I haven't found any leaks yet and the only thing I have noticed is my exhaust smells different then what i remember idk though. I don't know how to start diagnosing this and I want to before it gets worse and starts causing a lot more damage. Any help or insight will be greatly appreciated and I can give out as much info as needed.

Thanks to anyone who has anything to say!
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      02-14-2020, 12:34 PM   #2
Solidjake
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Do you have any signs of coolant mixing in with the oil? That would be a good way to check for the headgasket. (in addition to a compression test)
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      02-14-2020, 01:30 PM   #3
Benjt2
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Quote:
Originally Posted by Solidjake View Post
Do you have any signs of coolant mixing in with the oil? That would be a good way to check for the headgasket. (in addition to a compression test)
Yeah I did an oil test last oil change was good, didn't do one this most recent one though, oil looked fine. I think im gonna get a compression test at a shop or at the dealer some time next week.
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      02-14-2020, 01:31 PM   #4
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Quote:
Originally Posted by Benjt2 View Post
Yeah I did an oil test last oil change was good, didn't do one this most recent one though, oil looked fine. I think im gonna get a compression test at a shop or at the dealer some time next week.
Yes - compression test would be the next logical step. Also ask the shop to check turbo bearings and seals.
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