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Overheating issue

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New User

Feb 22, 2014, 11:39 PM

Post #1 of 2 (1010 views)
Overheating issue Sign In

Hey guys, my car is slowly overheating. It's a 1997 BMW 318is.

I've replaced:
- Thermostat & Housing
- All hoses and coolant fittings
- Water pump that has metal impellers
- Radiator
- Permaseal Head gasket (Block and head shaved - head pressure and crack tested all OK)
- Electric fan

I've also tried bleeding on huge hills and tried several different methods. The normal running temp of the engine is 95 degrees or 203°F. My car will hit 97 and take 10 minutes to reach 98 then another 10 to reach 99. At 99 I have to turn it off as I don't want to risk wasting all the money/effort.

Any ideas would be greatly appreciated as I'm seriously out of options. Thanks guys

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Feb 23, 2014, 6:27 AM

Post #2 of 2 (971 views)
Re: Overheating issue Sign In

Many engine operate at close to the Fahrenheit boiling point. Please use at least a "F" or "C" so it's clear. 98C or 99C depending on where you are checking and accuracy is about right is it not?

If the car's gauge doesn't agree with actual temps at the sensor on engine pursue fixing that. This could be just a thermostat just a couple degrees off but please re-explain what scale you meant and where you checked and how,


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