Question about 1983 BMW 3 Series

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Engine running hot

My '83 BMW 320i runs hot nearly all the time. The other day it smoked, so I pulled into a lot and shut it off. I smell a burning smell with this as well. On cold days it starts and the guy I bought it from told me I have to replace the cold air sensors. I plan to, but do not have the investment money for those parts as of yet. The belts squeal when I do this also, which tells me either they need replaced or they are loose.

My main concern, aside from the belts, is that the burning smell is something major. I wonder also, if the thermostat is all but gone as it rarely cools back down with any visual acknowledgement that the system is running coolant. Will replacing the thermostat help remedy the smell and the running too hot?

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Anonymous

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Change the thermostat it is stuck in closed position

Posted on Jun 01, 2009

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Hello.

The first option is to to flush the coolant and replace the thermostat, if you are unlucky and this doesn't get your problem solved then the next step is your water pump.

Posted on Mar 07, 2009

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White smoke from the tailpipe is usually attributable to an engine combusting either antifreeze or water. Black smoke is caused by burning too much fuel and blue smoke is caused by burning oil...So I would say that your BMW is burning coolant of some kind. Does it smoke all the time the engine is running or just when it is cold?

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You don't mention the colour of the "smoke" and you didn't say whether the engine is petrol or diesel?

You don't mention whether the road behaviour/performance is normal?

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Burning oil smells a bit like burned eggs in the frying pan.

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http://www.pelicanparts.com/bmw/techarticles/Mult-Code_Reading/Mult-Code_Reading.htm

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