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      09-07-2020, 12:02 PM   #1
TENCHI
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Engine Coolant warning...go to Dealer or fill myself?

2019 740ix and i got a low coolant warning. Called up the dealers and they said they would top it off. One advisor was pretty open about and said all they are going to do is add water. The dealers are a bit ways away as well. I am thinking just buying coolant and doing it myself. thoughts?
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      09-07-2020, 01:38 PM   #2
JustinP
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I would insist the dealer pressurise the system to see if itís leaking before they just top it up.
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      09-07-2020, 02:20 PM   #3
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Well, you can do it yourself, but if you get the warning on again in a short time, then maybe it is leaking like JustinP said or it is just a sensor problem. Also, check for anomalies like presence of oil residue.

Whatever you do, do take the necessary precautions as recommended in the manual (engine turned off and cold to avoid any spillage or accident but also to fill it to the required level as it is different when hot and cold).
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      09-07-2020, 04:01 PM   #4
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Quote:
Originally Posted by TENCHI View Post
2019 740ix and i got a low coolant warning. Called up the dealers and they said they would top it off. One advisor was pretty open about and said all they are going to do is add water. The dealers are a bit ways away as well. I am thinking just buying coolant and doing it myself. thoughts?
Do both. Buy coolant. Add it (when cold only). If the light doesn't clear, you may have a sensor problem. Check again in a week. If the level is down, you may have a leak and should head for the dealer. Make sure to tell them you added fluid.
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      09-08-2020, 09:18 AM   #5
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Go to the dealer and ask for a pressure test.

I was adding a bit of coolant - 1/2 quart every 5k miles on my 750.
Ended up being 2 turbo coolant lines leaking a little bit. You won't see anything in your garage floor as it leaks onto the engine and quickly evaporates.
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      09-10-2020, 07:19 PM   #6
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thanks guys. I wound up adding a little distilled water until my BMW coolant comes in. dealer wanted $180 to top off since I am not the original owner.
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      09-20-2020, 07:33 AM   #7
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Probably the intercooler coolant lines. On my 2016 I had this warning and the dealer covered replacing all the intercooler coolant lines under warranty. This is a known problem by BMW. The whole thing should be covered, labor, parts, coolant.
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      09-24-2020, 01:06 PM   #8
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There shouldn't be a loss of coolant as part of normal operation. I've had this happen 3 different times under warranty, and each time there was something the dealer had to fix.
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      10-01-2020, 06:52 PM   #9
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Quote:
Originally Posted by jstewart View Post
Probably the intercooler coolant lines. On my 2016 I had this warning and the dealer covered replacing all the intercooler coolant lines under warranty. This is a known problem by BMW. The whole thing should be covered, labor, parts, coolant.
This happened to me last month, too. They replaced the 4 turbo coolant lines although only 1 was leaking. Covered by warranty.
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      Yesterday, 06:15 AM   #10
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Going through the same issue, seems to be a known issue, sickness with the EGR according to my mechanic who worked for BMW. But so soon? Top it up first and see if it comes up again.
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