I have recently bought a BMW 318i SE 1999. Everything seems fine except for the fact that it emits warm air from the area located near the windscreen and nowhere else. I have to turn on the AC to neutralise the temperature in the car. The temperature gauge is also static and stationary and it remains in the middle even when the car is at a halt. Any help appreciated.
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Re: Heating problem, temperature gauge
There should be a dial to control the center vents. i believe its in between the vents or just below it. it should have blue and red marks on it. move the dial towards the blue indicator and the air should now be cool. in cold weather, move this dial towards the red indicators for warm air. you can adjust temp at these vents by moving the dial between red & blue.
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i see answers to other questions here except the question asked about no heat in a 325 xi 2001 blower works great fluid is full no leaks,fuses are fine,get a lil heat while at a stand still but as soon as you drive cold air only temp on max 91, engine temp right in the middle takes about 8 mins for temp gauge to reach the middle can anyone help with this..PLEASE !!!!!!
When the coolant flush was done, did you have the thermostat changed as well? I would have the thermostat replaced. If the temperature gauge was reading properly, but you still had warm, not hot air, it would lean more towards the heater core being clogged, but that deosn't seem to be the issue your having, so i would go with the thermostat replacement. And whereever you have the repairs done at...make sure they fully bleed all the air out of the cooling system, this could also cause poor warm-up / heating problems. Hope this helps...
Your description of the problem is not very clear. It seems as if your temp gauge does not work, or does not indicate the correct temperature.
If you disconnect the wire from the sensor unit and put it to battery negative (ground), the gauge should move to the full hot position. If this does not happen the best chance is that the gauge does not work. If it does work, the sensor is faulty. In a very unlikely situation, the wire could be faulty..
this problem is most commonly caused by the rotating contact under the steering wheel (also called the clock-spring contact), it has developed and open circuit, the airbag control/diagnostic monitor senses this and disables the airbag system
The below is taken from another site written a year ago:
What you are looking at is the Service Indicator. The green, yellow and red lights let you know when service needs to be performed. The green lights mean everything is still good. The yellow lights mean "anytime you're ready." The red lights mean do the service ASAP. There are also two other lighted areas. One says "inspection," the other says "oil change" (or oil service.) An oil change is an oil change. However, there are two inspections: Inspection 1 is normally at every other 15,000 miles; Inspections 2 is at every 30,000 miles. Your local BMW dealer should have a pamphlet listing all duties performed for each of the services. Inspection 2 can run you around $400-$800 depending on the service station/dealership's labor rates. Inspections 1 should be around 1/2 of that. You should have your oil changed about every 5000 miles. Dealership oil changes can range from $35-$65. A BMW that is well taken care of will last a long time.
FYI, don't be surprised if the SI (service indicator) board decides to **** out one day. I'm surprised to see yours is still working (they usually die within 10 years unless someone went thru the expense to have it replaced.) If/when it does go, just gauge your services by the mileage intervals I've listed above. I'd also recommend when you stop into (or just call) the dealership, go to the parts department and order an owner's manual for your BMW. Should be less than $20 and get to you in about a week unless they have one in stock. When the service tech has performed the necessary service(s), he will reset your SI board so that only green lights are showing.