Heater Noise
09-23-2005, 04:20 AM
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Hi All
Since I first got my UK spec 520 it has had a noise coming from the heater unit which is like a humming pulsing sound as if a valve is constantly opening and shutting. This only lasts about 3 or 4 miles or until the car warms up. It is more noticeable when you come to a halt ie,traffic lights when there is no road noise etc,. I spoke to the dealer soon after buying the car and was told this is normal and is supposed to help the car heat up quicker ???.
If I switch the heater of it stops. This is not a major problem but I just wondered if anyone else has had this and is it indeed normal for this car.
Since I first got my UK spec 520 it has had a noise coming from the heater unit which is like a humming pulsing sound as if a valve is constantly opening and shutting. This only lasts about 3 or 4 miles or until the car warms up. It is more noticeable when you come to a halt ie,traffic lights when there is no road noise etc,. I spoke to the dealer soon after buying the car and was told this is normal and is supposed to help the car heat up quicker ???.
If I switch the heater of it stops. This is not a major problem but I just wondered if anyone else has had this and is it indeed normal for this car.
09-23-2005, 05:58 AM
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Mine does that. It's supposedly an auxiliary electric water pump for the heating system. Mine gets worse once it warms up in the winter. I had them replace the pump, but it still does it. So I guess it is "normal." It can be quite loud. Passengers have asked what the sound is.
09-23-2005, 10:24 AM
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Originally Posted by tab545' date='Sep 23 2005, 01:58 PM
Mine does that.? It's supposedly an auxiliary electric water pump for the heating system.? Mine gets worse once it warms up in the winter.? I had them replace the pump, but it still does it.? So I guess it is "normal."? It can be quite loud.? Passengers have asked what the sound is.
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Thanks for that info,I guess we will just have to live with it...but at least it goes away after a few miles.
09-24-2005, 03:07 AM
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Originally Posted by Evenflow545' date='Sep 23 2005, 09:39 AM
Unfortunately, most things on an e60 seem to make some sort of noise, some good and some not so good.
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09-24-2005, 03:34 AM
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Originally Posted by Peter530i' date='Sep 24 2005, 12:07 PM
[quote name='Evenflow545' date='Sep 23 2005, 09:39 AM']Unfortunately, most things on an e60 seem to make some sort of noise, some good and some not so good.
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09-24-2005, 04:17 AM
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I had an E60 520i and there was a pulsing sound when the a/c was on. 
Probably the same as your own. However, it lasted for the whole duration the a/c was switched on irrespective of temperature settings.
I have a 523i now and haven't noticed it on it.
Probably the same as your own. However, it lasted for the whole duration the a/c was switched on irrespective of temperature settings.
I have a 523i now and haven't noticed it on it.
09-25-2005, 11:58 PM
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Mine also does the same, it drives me nuts. Here is earlier post:-
http://forums.e60.net/index.php?showtopic=...climate+control
http://forums.e60.net/index.php?showtopic=...climate+control
09-26-2005, 11:43 AM
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Originally Posted by BMWJIMT' date='Sep 26 2005, 07:58 AM
Mine also does the same, it drives me nuts. Here is earlier post:-
http://forums.e60.net/index.php?showtopic=...climate+control
http://forums.e60.net/index.php?showtopic=...climate+control
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