How to add coolant

amt7565

Registered

Hi All,
My coolant indicator turned on today (yellow). Any advice on how to fill it up? I did get a gallon of antifreeze from the dealership.

First I am trying to identify the coolant reservoir. Is it located on the right side of the engine? On opening the cap I see a yellow colored interior with Max/Min level indicators. Also heard a little pressure being released.

In the picture attached is it the top right reservoir with a tube connected to the radiator?

Thanks for any advice.
:thumbup:

Attachments

Regards
AMT :thumbup:

2013 X5 White| Base Model|

boostedX5SAV

Registered

Yes, it is the top right reservoir with min and max on the inside. Fill the coolant when the engine is cold, warm engine will have inflated coolant readings. Also, make sure you dilute the coolant 1:1 with distilled water. BMW coolant should be blue color.

Sent from my SM-N910T using Tapatalk

amt7565

Registered

Regards
AMT :thumbup:

2013 X5 White| Base Model|

amt7565

Registered

Regards
AMT :thumbup:

2013 X5 White| Base Model|

Registered

Bottled distilled water, yes. It will probably be less than $1 for a gallon at any supermarket.

Also, you should figure out where the coolant is going and fix whatever is causing the coolant loss.

amt7565

Registered

Regards
AMT :thumbup:

2013 X5 White| Base Model|

Resident Curmudgeon

If it is under warranty you should have taken it to the dealer. Absolutely

It is not ‘usual’ nor ‘normal’ to lose coolant.

If you had brought it to the dealer with the light on, then you have a documented issue. Now all you have is a story to tell them. They may or may not do the same investigation for this new complaint. depends on the dealer/SA/Tech

OE is Original Equipment aka ‘BMW Original Parts’ aka ‘What you buy at the BMW dealer with a BMW label’

OEM is Original Equipment Manufacturer. EITHER the company that made the OE part or. A part this is identical to the OE part, but is sold by the OEM under their own label

OEM is not what BMW sells

amt7565

Registered

OK I already filled it up.
Initially the indicator came on when I started the vehicle and then went away immediately. But it was there in the Vehicle check status settings.

Now it’s gone. I will take it anyway to the dealer. The computer logs should still show that the indicator came on I suppose?

Regards
AMT :thumbup:

2013 X5 White| Base Model|

amt7565

Registered

Btw- I drive 50 miles everyday for the past 9 months. The summer temperature is about 97-100 in Texas

Also a question; doesn’t the dealer top off the coolant everytime you take it for service? Won’t that mask any coolant issues assuming they are topping it off every 15K miles.

Regards
AMT :thumbup:

2013 X5 White| Base Model|

Resident Curmudgeon

I havent added coolant in 75k miles. It is 95-100 pretty regular here too.

I dunno if it is tracked on the computer. Coolant expansion tanks are known to be a failure point.

OE is Original Equipment aka ‘BMW Original Parts’ aka ‘What you buy at the BMW dealer with a BMW label’

OEM is Original Equipment Manufacturer. EITHER the company that made the OE part or. A part this is identical to the OE part, but is sold by the OEM under their own label

OEM is not what BMW sells

amt7565

Registered

So I took my vehicle to the dealer and had them do a check on the coolant. The agent, with a lot of conviction, told me that losing coolant is normal and unless it happens often- weeks/months, it really should not be of any concern. Yes, when I explained about the closed loop process he seemed to know about it but asserted that there would still be loss.

They ran a check and told me that they could not locate any leaks.

It was time for service as well, so that got that done in the process.

Regards
AMT :thumbup:

2013 X5 White| Base Model|

Doug Huffman

Nuclear engineer

Losing coolant is NOT normal.

The usual test for cooling system integrity is a pressure test. Pressurize the coolant system to rated pressure and monitor for no change in pressure for 24 hours. If it fails then the lost fluid should be visible on the cold engine.

The BMW engine cooling system is integrated with the HVAC system, the hot coolant flow is throttled to AC set temperature.

amt7565

Registered

Losing coolant is NOT normal.

The usual test for cooling system integrity is a pressure test. Pressurize the coolant system to rated pressure and monitor for no change in pressure for 24 hours. If it fails then the lost fluid should be visible on the cold engine.

The BMW engine cooling system is integrated with the HVAC system, the hot coolant flow is throttled to AC set temperature.

Regards
AMT :thumbup:

2013 X5 White| Base Model|

Doug Huffman

Nuclear engineer

A visual inspection of what? Half of the joints and components of the cooling system are buried inside the AC system. Or did they look under the car and, «Yep, no puddles here, boss!»

Sorry, that’s argumentative. Ask the SERVICE MANAGER to defend his allowed leak rate with a BMW technical document.

eeyore8

Registered

amt7565

Registered

They claim a pressure check was done. See attached their findings. I turned the car in at 7AM. By 12;30 pm they called to say no leaks. Not sure what kind of pressure check was done.

At this point I guess I have to wait and see.

Attachments

Regards
AMT :thumbup:

2013 X5 White| Base Model|

amt7565

Registered

I read a copy of the electronic manual and in the ‘Coolant’ section describes the steps to fill the coolant tank. Step 6, states to «Have the cause of the coolant loss eliminated as soon as possible» after filling the coolant. This seems to indicate that the loss is not normal per BWM manual.

The SA called to follow up on the service and I brought this up again. He asked to bring it in if it occurs again and emphasized that the pressure check revealed no leaks. He also said that considering the hot temps and the 50/50 coolant/water ratio, it was possible for some evaporation.

Did not mean to revive this topic, but thought would share the latest.

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