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105C thermostat replacement

Dimitris

By Dimitris,
in BMW 7 Series Forum

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Dimitris Rookie

Dimitris

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Hello all

I got myself a 1996 E38 735i back in August and I, as expected, run into some probs. I have seen the engine temperature dial, when cold, it was rising to maximum for a short period and then dropping back to normal after a few min. when the car was hot it was running OK.

What I have done, back in August when I got the car, was to remove the 105C thermostat and replace it with a non 88C Map thermostat. The electrical connector on the thermostat is not connected – free plug.

Will the non use of the MAP thermostat through a fault like the temperature dial raising to max when running cold?


 
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Greydog Grand Master

Greydog

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Good to have you back Dimitris

I would think there will be an internal fault recorded but if the Thermostat is working it will simply open earlier so I would think gauge wise you will see nothing unusual

Dave

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      Good to have you back Dimitris I would think there will be an internal fault recorded but if the Thermostat is working it will simply open earlier so I would think gauge wise you will see nothing unusual Dave
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      105C thermostat replacement

      Hello all I got myself a 1996 E38 735i back in August and I, as expected, run into some probs. I have seen the engine temperature dial, when cold, it was rising to maximum for a short period and then dropping back to normal after a few min. when the car was hot it was running OK. What I have done, back in August when I got the car, was to remove the 105C thermostat and replace it with a non 88C Map thermostat. The electrical connector on the thermostat is not connected – free plug. Will the non use of the MAP thermostat through a fault like the temperature dial raising to max when running cold?
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