Scotland
My Z4 E85 2008 (2.0i) is blowing lukewarm air. When I bought the car, it was in "Transport mode" and blower and other things weren't working. Purchased a car scanner and cleared the mode and everything working as should. The blow heaters are lukewarm and car temp never sits in middle balanced when running (always near cold scale or above). Am I correct in thinking this is the thermostat as I have checked coolant levels and squeezed the hoses and they're lukewarm too.
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South Lanarkshire