Question about 1997 BMW 328

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My bmw compact is overheating it leaks water from the radiator expasion tank when it gets hot aswell any ideas

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How to find out why your BMW overheats is a great article that has helped millions of people in your situation.

Posted on Dec 27, 2010


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When driving for at least 15min engine overheating indicator lights up not on red but yellow get back home takes about 1hr to cool down i do notice that the engine is very hot

How is the water flow, bet you that it is poor and this is normally caused by 2 things, thermostat siezed shut and the other is a faulty water pump, both are urgent matters

Jan 03, 2014 | 2005 BMW 325i Sedan

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2005 mini cooper s

Check that your radiator fan is working if not check fan belt if it has one , if not check fuse . Next suggestion if all these are ok you may have a thermostat fault check the wires to this it may need relacing..

Feb 15, 2013 | 2005 Mini Cooper S

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My vehicle is overheating and found that there is a water leak behind the engine or behind the fuel injection unit, how can I get to the leak?

fit antyfreeze on radiator start engine to get hot place spot light 12 volt to thet poind and when is leak give a shot with camera on 3 positions and check on computer wat it is? head gasket,inlet manifold,or bay pass pipe good luck.

Aug 08, 2012 | BMW Cars & Trucks

1 Answer

Expansion tank overheating, have had the water pump, thermostat, radiator changed, now smoke is appearing from the engine and there is residue apparent aswell. Does this sound like a head gasket problem??...

It is most likely pressure from the cylinder that is leaking into your expansion tank, and with all the misdiagnosis, you have probably overheated the engine and severely damaged the gasket. I am afraid that you expenses are not at an end yet. You are looking at at least a cylinder head gasket replacement and a head skim. Plus a lot of flushing and cleaning out of the engine. I wish fir your sake the news could have been better.

Apr 22, 2011 | BMW Z4 Cars & Trucks

1 Answer

Why is my car overheating and wen i blow down expasion tank it leaking water out back ov my engiene

Hello, astill17 and thank you for asking your question on Fixya!

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your
1999 BMW 318 ti, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose your overheating
BMW 318

Get more great money saving tips and tricks about your vehicle from:

Thanks for the vote, and good luck!

Nov 20, 2010 | 1999 BMW 318 ti

1 Answer

Hi i have a 2007 bmx x3 , and i was driving my car suddenly the temperature light appeared ant the car stopped for security, then, when it cooled down it started again, but after 3 blocks the same thing...

check the water level in the radiator and in the expasion tank,
I reckon the thermostat has failed (very very likely).

when it fails it never opens to circulate water to the radiator, if this is true your temp gauge will read HOT but the radiator will be quite cool compared to the engine. ------ Thermostat is around $60 / £48 from BMW only!!, a non-bmw part is false economy and will invalidate your warranty.

Jan 25, 2010 | 2007 BMW X3 3.0si SAV

1 Answer

How do i put coolant in a polo 1.4 year 2000

open radiator and fill the radiator. open expasion tank and fill it to the FULL mark.
start the engine with the radiator cap off. keep topping the radiator up as the air comes through the system and the level goes down. keep it FULL. top up the expansion tank if necessary back to the full mark, do not fill it to the top you will only get coolant all over your engine bay!
gently rev the engine for 20 seconds just to send the water round and get some air out of the system. top up both radiator and tank again if required. refit the radiator cap and expansion tank cap. go for short drive. check the levels again (be careful with the radiator cap since the coolant will be hot now!) - should be settled now.

ready for the road!

Jan 16, 2010 | Volkswagen Golf Cars & Trucks

1 Answer

1991 bmw 318is 4 door 16 valve motor, runs hot and radiator cold

you may have bad waterpump,the impeller on pump may be borken, just because it doesnt leak doesnt mean its good.also could have exhaust entering cooling system (bad headgasket) if pump is good have a block test done.

Sep 29, 2009 | BMW 318 Cars & Trucks

1 Answer

Bmw compact 1996 radiator fan overheating

hook up the fan striaght see if it helps

Jun 21, 2009 | 1996 BMW 318

1 Answer

2004 honda civic overheats

You might have a sticking thermostat. If it's sticking shut, it won't open when needed and the engine will overheat. Even though the water in the radiator is not hot then, the water in the block of the engine is boiling.

After that overflow, the cooling system was underfilled, so when the thermostat finally did open, it had plenty of room to refill, which is what you saw when the water got "suddenly sucked in".

My recommendation is to replace the thermostat (and gasket), because as a point of diagnosis, it is a relatively cheap part but can have terribly inconvenient consequences when malfunctioning. If you're handy, get a Haynes or Chilton manual from the auto parts store and do it yourself.

Also, the radiator cap is not good to mess with when the engine is hot. Doing as you did by opening it while overheated upsets the balance between the coolant in the block and radiator. There's a small rubber hose from the top corner of the radiator to a plastic (probably translucent) overflow tank on one side of your engine compartment. Under normal circumstances, you should check the coolant level there, as it exists to keep the system in balance. Note that I said "normal" - which means anytime it hasn't overheated to the point of leaking out of the radiator cap or leaking elsewhere.

Jun 10, 2009 | 2004 Honda Civic

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