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Steve, BMW Expert
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Bmw: code 599/279c thermostat map cooling activationwhat..z4

Resolved Question:

code 599/279c thermostat map cooling activation
what usally goes wrong with that code
03 bmw z4
Submitted: 6 years ago.
Category: BMW
Expert:  Steve replied 6 years ago.

Hi there,


Do you by chance have the P code for this fault?



Customer: replied 6 years ago.
p0599 is fault code
Expert:  Steve replied 6 years ago.



p0599 = "Thermostat Heater Control Circuit High"


Probably a bad thermostat. I would start by replacing the thermo.


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