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#1
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E53 making bubbling sounds, only heats intermittently
Recently, I started hearing bubbling or gurgling sounds, that seem to come. right in front of the driver. Not sure what that means. I have checked the coolant within the last 3-4 weeks, will check again tonight. after it cools down. Thought maybe it might be low. Any thoughts. appreciated. |
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#2
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E53 making bubbling sounds, only heats intermittently
Lots of cabin heat is one of the first signs of low coolant
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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bubbling sounds like air in the system, probably cause is low coolant level as suggested.
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#4
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The two things may not be connected.
Bubbling sounds from in front of the driver was a dying vacuum pump on my 4.8iS. The intermittent heat.... tons of possibilities, from aux to bowden cables Sent from my SM-A730F using Tapatalk
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"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#5
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On my 2001 3.0 M54, the coolant was slowly oozing from the ends of the two coolant hard pipes behind the oil filter. I swapped them when I did the head gasket and it's been good ever since. I did a pressure test and saw no coolant leak, only a very slow leak down of pressure that I chalked up to "probably the seal at the cap or quick connect on my Harbor Freight pressure tester". When I pulled off the hard pipes, the ends were bretty mucg disintegrated around the O rings where they enter the block.
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2001 x5 3.0 (sold with broken motor), 1990 e30 M3, 1991 318is, 2002 325i, 2008 335i Dinan stage 3 6 speed, |
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