[M5 F90 (2018)]

Hi all and just looking for thoughts as you all know you cant trust all BMW dealerships. When i spoke to the service department, they said the levels do rise/fall depending on the temperature outside and the engines temperature and that the levels in the picture are fine.

I cant actually see the minimum level being reached and its not wet to the touch there either. Im thinking this needs a little top up as i tested it after the car had been off for a good while.

Anyone have any experience and or thoughts?

Thanks

[FatRear08]

I routinely check mine when it’s been sitting overnight. Drastic temp changes can make it fluctuate a little but I always make sure I’m within the Min and Max no matter what. When I bought the wife’s G82, both reservoirs were below the Min line. Ironically my daughter just picked up a new 330 yesterday and I checked both reservoirs before she headed back to school. Just the opposite happened…I removed close to 10 ounces from the main reservoir and a bit from the intercooler tank. I couldn’t believe it was filled that high.

[italiabrain]

You're probably good here. The car will give you an indicator on the screen when it's low. Also note that there are two separate cooling loops with two separate fill locations.