07-31-2022, 09:43 PM | #45 |
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Can someone confirm if the coolant tank sensor is replaceable? I noticed sensors for the coolant tank for sale separate from the tank, but I thought the sensor was molded into the tank which would make zero sense.
I have contacted a custom tank manufacturer whom indicated they can manufacture an aluminum tank but will need to determine how to integrate the sensor. |
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10-04-2022, 12:47 AM | #46 |
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Just got my 2nd low coolant warning in 6 months/2k miles of ownership. First one was literally the day after I brought it home. Thanks to this thread I checked for that residue around the coolant cap and it’s pretty bad. I’ll be calling the dealer tomorrow to get this addressed before my warranty runs out next month.
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11-09-2022, 04:00 PM | #47 | |
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12-08-2022, 08:55 AM | #48 |
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My car is at the dealer getting Dinan X-pipes installed and I asked them to look at the coolant reservoir.
They are going to replace it under warranty. I hope the new reservoir is designed better. |
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12-08-2022, 09:02 AM | #49 |
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your dealer is cutting your oem exhaust and putting on an x-pipe? did you buy it from them?
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12-08-2022, 09:09 AM | #50 |
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12-09-2022, 10:38 PM | #51 |
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Nice
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01-03-2023, 11:12 AM | #52 |
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My car is approaching 36.000 miles and I'm wondering if I should replace preventively the cooling tank...
What would be your advice, considering I have had a low cooling fluid message when the car had about 13.000 miles ? I've added cooling fluid at the time and the warning went away. It's been fine since then. |
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01-03-2023, 02:06 PM | #53 | |
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01-04-2023, 05:53 AM | #54 | |
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No signs of coolant leaks in the area of the tank. My car is soon going in for service and I'm debating if I should replace the tank preventively or not. |
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01-05-2023, 07:24 PM | #55 | |
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I just hit 15k miles on my 2020 and have found white crystal splattering around the engine bay a couple times now with some caked on around the cap. Took pics and cleaned it up. Sent them to my SA and asked him to order me the new part number version for my next oil change in February. Which he is.
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02-11-2023, 07:52 AM | #56 |
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I finally had it changed yesterday while my car was in for maintenance.
BMW has certainly improved it and the new part number is this one : 17137889450 and new cap : 17117639021 |
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02-13-2023, 06:42 AM | #59 |
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How do we know BMW has certainly improved it? A part number change after 6 years of production is not uncommon and does not necessarily mean the part is improved.
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02-14-2023, 10:57 AM | #60 |
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02-14-2023, 12:20 PM | #61 |
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02-14-2023, 03:16 PM | #62 |
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Time will tell. Some never have had problems, some have problems after several years and some have problems in a matter of months. We need data from new cars with the new tank and old cars with the new tank as a replacement.
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02-14-2023, 03:23 PM | #63 | |
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Actually needing coolant more than normal, though? Definitely. Burning through it fast, but not due to a leak.
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02-18-2023, 09:23 PM | #64 |
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Just got my annual service on my 2020. 17k miles.
Replaced coolant tank and cap Replaced spark plugs (found this a bit early) Replaced brake fluid Replaced light switch due to flicker
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02-20-2023, 07:34 AM | #65 |
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02-20-2023, 07:53 AM | #66 |
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I asked them too after seeing dried coolant splattered through the engine bay and around the cap and top seal.
Had to take pictures for proof since I clean it up as quick as possible.
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