Question about 2000 BMW 5 Series

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2000 bmw 528i overheating

Could a bad heater core cause overheating.and how do you check to see if the heater core is bad.

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The only way a heater core can cause overheating is if it's leaking and the engine is low on antifreeze. To check it for leaks it would help to use a cooling system pressure tester.

Posted on May 23, 2009

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1 Answer

What would approx. cost be to change the timing chain on a 2000 BMW 528i


The tools alone will be $1000. Not something you will want to do yourself. I good BMW specialist will charge about $1500. Its also highly unlikely your chain is bad. It normally is going strong after 300,000 miles and is the LAST thing that will break. Why do you think yours is bad?? If it is because the car won't start, then I will tell you there's 99 things that it could be and if timing chain is even on the list its dead last. A BMW ain't no Toyota.

Oct 16, 2014 | 2000 BMW 528i

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I have a 1997 bmw 318i that is overheating. Steam comes from back of engine compartment and the fan is not engaging. What could the problem be?


It is likely that the heater core has sprung a leak, or the hoses leading to the heater core have failed. This would cause a loss of coolant that would make the coolant temperature sensor think it wasn't necessary to turn the fan on, and would cause steam to appear to rise out of the back of the engine. If you turn the heater on inside the passenger compartment and get steam through the vents, it's DEFINITELY a heater core breach. Otherwise, check the hoses leading to the heater core and make sure they are still connected and not leaking. Good luck!

May 25, 2014 | 1997 BMW 318

1 Answer

I have a 1998 bmw 528i as long as i am moving the heater in warm but when i stop it put out cold air.


Heater core is cloged. Try flushing the anti freeze and changing the thermostat

Mar 04, 2013 | 1998 BMW 5 Series

1 Answer

Heater slow to warm up 2000 528i


Have your thermostat checked, sound like it is not working when cold.

Nov 13, 2012 | 2000 BMW 5 Series

1 Answer

Heater not working on 1994 528i bmw but ac blower works


Hi it sounds like either the thermostat or the heater matrix, although if there is air in the system then this would also cause this fault. get the thermostat checked first as this could cause more damage if not fixed quickly.

The heater matrix or heater core may be blocked or not circulating the warm air, This is a more expensive job if it will not unblock.

Hope this helps
regards
dan

Jan 12, 2010 | 2008 BMW 528i Sedan

1 Answer

I have a coolant leak on my 2000 BMW 528i and now it overheating.


Pressure test cooling system to determine origin of leak. Radiator and coolant reservoirs are common problems. Vehicle is very difficult to purge air from cooling system and may take multiple times of idling until thermostat opens. Sometimes help to rev engine to about 2500 rpm 5-8 times to help build heat and move coolant through system. Must have heater on while performing this task.

Mar 29, 2009 | 2000 BMW 5 Series

1 Answer

Cant find location of heater fan


replace the resistors. they're everywhere. google or bentley manual to find out where.

Mar 25, 2009 | 2008 BMW 528i Sedan

1 Answer

Overheating


Generally when the heater isn't heating anything and putting out cold air the heater core is bad. I have never worked on a BMW before and have never heard of a heater core causeing overheating, but because they are linked, it maybe a clog in the core causing poor coolant circulation.

Nov 10, 2008 | 1997 BMW 328

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