Photo of one or Marissa please? I guess you like these ducks an awful lot, huh? Me? I enjoy watching the hawk migration, but that's another story, I don't get emotionally involved with them too much, you know. iTrader: ( 0) To comfort you, if the coolant is too low and the engine would start getting too hot, the car will let you know, tell you to pull over and shutoff the engine, and if you dont, itll do the engine shutdown for you and let you roll out to get to the side of the road. If you're losing coolant and not seeing leaks, start reading fanatics a lot e advanced/title search.īTW, I've never seen an Arctic Mallard. Now you should monitor the level manually carefully and properly until you get this sorted out. Clean things up while you're there, keeping an eye out for tell tale residue. Clean with electric cleaner according to label instructions-įive-you'd naturally seep some coolant from some places. I don't think your level is fine, but if it is, then swap/replace sensor and check wiring heading back from the connector. Check it's function carefully when you check in the a.m. It might have gotten low too many times, gunk built up where it's supposed to slide freely. Not sure where it is haven't pulled mine yet.anyway, you can easily swap to test if need be.įour-your dipstick might just be stuck. Three-this sensor is identical to the level sensor on the windshield reservoir. 90 degrees to one way to unclip after you've removed electric connector. If the BMW engine coolant level is low or you can’t see the floating device, add the recommended BMW coolant. Two-the temp level sensor is easily replaced if need be. One-assume your coolant level isn't fine. Curious as well as to where the coolant fluid has been disappearing to.I'm sure others have experienced this, but good luck finding the threads! Maybe someone will stop by, otherwise I'll just toss out a few ideas for you. Im not aware of any leaks, engine hasn't ran hot by any means. Once last year at this time and this year today actually. If the level falls below a critical amount of. Your European car has a coolant level sensor with a floating-level which rises and falls with the coolant level in your radiator. I have a 15' 320 xi (95k) and have had to add coolant twice. As you have probably already guessed, the most likely reason for your Low Coolant Light to be on isbecause your car is low on coolant. Ĭan someone with this exact same problem post a copy of the repair invoice (minus PII)? Or - PM me? I asked BMW NA to escalate and pay for turbocharger removal and inspection to see if coolant has been leaking through the bearing. So low coolant warning may appear later than expected. This problem was noted before the warranty expired so I was assured that future repairs will be covered.Īgain - both warm and cold pressure tests revealed no leaks. The service technician put tamper proof seals under both large and small reservoir caps and asked to return when coolant warning appears again. The dealer just advised me that the field engineer hasn't heard / could not find any instance of a problem where coolant loss was due to turbocharger leaking coolant through the bearing.Ĭan someone with this exact same problem post a copy of the repair invoice (minus PII)? I would ask the dealer to specifically investigate this issue. The coolant leaking through the turbo bearing (and evaporating) has been reported in the past. The reservoir cap on my 2017 440i GC was replaced. If present, the main tank reservoir cap needs to be replaced. When the car is cold, remove the main tank reservoir cap and look for white residue. I suspect that one of the possibilities is coolant leaking through the reservoir cap or - more complex - through a faulty turbo bearing. ![]() I rolled my eyes as my 435 and 535 engines were turbos.Īnyone out there know if this is something to ignore or something to get shop to investigate further on? If ignore, I'm happy to keep topping off, just want some peace of mine. ![]() I asked the dealer service center about it and they said that was common for turbo engines. I have not noticed any liquids in the garage, albeit, this might be such a small leak that it burns off unnoticeably. ![]() Given my previous 435, 535 and 645 never had coolant warnings between services, it got me wondering if there is something either unique about the engine in the 440xi where coolant leaks out super slow as designed or if I have a defect somewhere. I've got a 2018 440xi with M-tune with 29k miles and about every 4-6 months, I am getting a coolant low warning.
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