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BMW M5 F90 (2018+) General Forums Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls    Strange Antifreeze-like smell and constant limp mode actiavation

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      06-07-2019, 06:27 AM   #1
av.7447
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Strange Antifreeze-like smell and constant limp mode actiavation

Finally received my car in Canada from the long shipping after the European delivery and got a few tiny issues. I am right around 3700km(2300miles) on the car now and every time the car gets hot there is a strange antifreeze-like smell coming from underneath the car... had the same issue during my euro delivery trip but back then I thought that maybe it was some weird new car smell during the break in period and would eventually go away... Another thing that I have experienced is a momentary limp mode activation where the car limits the rpms to like 3500 and stays like that for a few minutes, then goes back to normal. In Germany that limp mode activated only at very high speeds of 200km/h:120mph plus... in Canada it happened only once but at a much lower speeds (around 80km/h:50mph) while I was accelerating at wide open throttle. Obviously I let the dealer know about all those things while they were doing the first service on the car and they said everything was ok! Other than that the car had been perfect so far. Anyone else experienced something similar?
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      06-07-2019, 11:32 AM   #2
josec70
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Car should not be going into limp mode; certainly not normal. I would have them take another look or try another dealer.

If the smell's indeed antifreeze you may have a leak; again not normal and they need to take another look.
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      06-13-2019, 12:10 PM   #3
av.7447
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Update: https://f90.bimmerpost.com/forums/sh...8#post24907208
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