Bmw 335i Running Hot. A failing radiator can cause the engine to run hot or overheat. Most radiators are made of metal and plastic.
On a hot day the temp reaches just under 250 degrees. Degrees blow hot air malfunction warning come on i have a 2008 bmw 335i and yesterday the outside temp was about 110 to 115 degrees. While there are a variety of reasons your bmw 335i is overheating the most common 3 are a coolant leak water pump radiator hose etc the radiator fan or a failed thermostat.
If a component of your cooling system fails the engine is at risk of suffering permanent damage.
After running 5 minutes there is no overheat warning and oil temperature is at about half operating temp after 5 minutes of. The overheating can ruin a trip. Bmw engine malfunction reduced power problem warning is a common problem that affects bmw models including 335i 535i 745i x1 x3 x5. Each engine has its own unique cooling system designed to moderate the engine temperature so the car does not overheat.
