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      11-19-2019, 01:23 PM   #14
Miller uk
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Drives: 2018 M5 Comp
Join Date: Nov 2018
Location: United Kingdom

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Didn't get the warning but checked my coolant levels due to posts about this a few months ago. The main system needed topping up by 3/4 of a litre, secondary system was fine. Asked dealer and they sent me the below. I was advised that if I have topped up then that's all that is needed unless levels dropped again. Been fine for several months now.

They will recheck at next visit.

This is the number of the enhancement 0017930100 : Correcting the coolant level F90 G1x G30 N63B S63M

Situation
The coolant level may be very low due to the design of the coolant expansion tank and filling process in the plant.

Effect
If the mileage is very low, the coolant level being too low can cause a Check Control message.

Vehicles concerned
According to the vehicle selection.
Production Period: May 2017 to March 2019.

Measures
Check the coolant level and top it up to the maximum, if necessary.
Appreciate 0