2007 X5 3.0si detuned and overheat message.

[haddot1]

Hello All,

My 07 X5 3.0si had an overheat message and de-tuned the car. Generic OBD II gave a 134b code. The radiator fan runs on extreme high mode.

I've replaced thermostat, valvos solenoids, temp sensor in front of oil housing and still high fan with codes cleared. I purgred the air and water pump kicks in but not a strong stream shooting out into reservoir like the videos I saw.

Temp when started was 22c. Drive and didint climb. Shut off car and back on and at 88c. Went up to 111c then I shut it off and back on. Drive and dropped to 80c and it stayed there for 5-10 miles until I got home.

Any ideas before buying the water pump. Thanks in advance for any insight you can offer.

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[jclausen]

Electric water pump, that's what you should have replaced first along with the thermostat

[haddot1]

Electric water pump, that's what you should have replaced first along with the thermostat

Thx for the reply. I ordered two days ago, be here Fri. This is my first bmw bought because of third row. I did the OEM, but do you know metal fin brand off hand.

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