Question about 1994 BMW 3 Series

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I LOST MY OWNERS MANUAL AND I NEED TO KNOW WHERE DO I PUT COOLANT FOR MY 1994 BMW SERIES. IS IT NEAR THE FAN BY THE RADIATOR ON THE DRIVER SIDE?

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It should be on the passenger side connected to the radiator, looks like a tank attacked to the radiator with a big cap on it

Posted on May 13, 2009

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Look for the over flow tube from the ill neck to the reservoir, that is where the coolant goes.

Posted on May 13, 2009

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I have a 1994 bmw 525i series it is over heating with a new waterpump and thermostat


Suspect #1 - air in cooling system. These can require several bleeding attempts to get all the air out. If the overflow reservoir is old and cracked inside, it will keep getting air back into the system.
Suspect #2 - radiator plugged internally with mineral deposits from hard water or silicates from using the wrong coolant. Does the radiator feel hot all over when the car is hot?
Suspect #3 - radiator plugged externally with organic material or the hair from the long haired cat that sleeps in your garage. Put a light behind the radiator and see how well you can see through it from the front grill.
Suspect #4 - failed fan clutch and/or failed electric fan. Does the overheating happen on the highway, or only when stopped or moving slowly? Does the electric fan kick on whenever the air conditioning compressor kicks on? The most common failure point on the electric fan is the relay.
A defective new thermostat is possible but unlikely.

Jun 25, 2011 | 1994 BMW 3 Series

1 Answer

2004 bmw 325i how to remove a radiator


I have done my other 3-series cars but not yet my '04 325iT, and the procedure is a bit different depending on whether you have an automatic or manual, and depending on whether you have HID headlights, but this should get you headed in the right direction.
It will be really helpful if you have ramps and can run the front end of the car up on the ramps.
First remove the plastic cowling on top that feeds in the air from the grill to the air box. It is held on by four plastic expansion rivets. Then remove the splash guard from beneath the engine.
Hardest part is draining the water without getting it all over the garage floor. You need only drain the radiator, but you will most likely want to drain the engine as well since you will want to replace the coolant. The engine drain plug is on the exhaust manifold side of the block, inconveniently near near one of the oxygen sensors.
Remove the air filter box and the HID igniter (if you have HIDs).
Now start disconnecting water hoses and electrical connectors and the rest should be apparent. Be glad you have a 325 and not a 330 automatic.
Six years is a little young to need to pull the radiator on a 3-series. I'm guessing that either you bumped the front end, or someone put long-life organic acid coolant in your radiator (that stuff destroys BMW cooling systems). BMW branded coolant is very expensive at the dealer but can be purchased on-line for a bit less.
If your coolant temperature sensor is original, try putting a bit of teflon tape around it because the O ring that seals it has shrunk and hardened. It WILL leak after you disturb it. The O-ring is a metric size that is not available in the US unless you are willing to buy 144 O-rings for $80, so you end up buying a new sensor to get the new O-ring, unless you find another way to seal it.

Jan 22, 2011 | BMW 325 Cars & Trucks

1 Answer

1) Coolant/owners manual comes on when car is started. new rad and water pump replaced a few moths ago. also I get a slight antifreeze smell. 2)drivers side seat only raises on the left side


If you can smell it then it's leaking or overflowing from reservoir. The dash light on most cars isn't for the radiator itself but the coolant reservoir telling you it's empty. Which could be the case if coolant is leaking and each time it cools it sucks more out of the reservoir until empty and then you end up with air pockets in the radiator which will overheat the car.

Sep 02, 2010 | 1992 BMW 7 Series

2 Answers

1995 BMW 525I over heating issue. I repaired head


Hi, Sounds like you have tried about everything. Ok the aux. coolant switch is for the electric pump for the heater core will not cause an over heating condition just a longer warm up of the heater core. Has the cooling system been bleed properly if there is a trapped air pocket it will not let coolant circulate. Was the new thermostat installed correctly? They have a vent that needs to be towards the top or they trap air on the back side and cant take an accurate reading to open and close. Other areas to look at would be proper operation of the fan clutch, if they fail they can cause the fan to not lock up properly and supply enough air movement through the radiator. The aux. electric fans and their temp switches do you hear them coming on are they coming on at the right temp.

Aug 26, 2010 | 1995 BMW 5 Series

1 Answer

What would make a 1994 bmw 325i run hot?


my friend owned this car and it got hot and he warped the head and the car was ruined... you should get it looked at right away. make sure the radiator fan is working .. check the fuses.... sometimes when you put the car on max a/c this will automatically turn the fans on.

Aug 13, 2010 | 1994 BMW 3 Series

2 Answers

93 bmw car is running HOT, what s going on?


bad thermostat and coolant maybe low. when a engine gets to hot at certain boiling point it evaporates

May 31, 2010 | 1993 BMW 5 Series

1 Answer

Strange overheating


Change the thermostat put in a lower degree one like if it has a 195 put in a 180 if it has a 180 go to like 160-170

Dec 19, 2009 | 1994 BMW 3 Series

1 Answer

I lost my owners manual. Where is the power


It is a black cylinder with a fluted cap if it is not just behind the fan check your fenders near the strut towers it will have a dipstick attached to the inside of the lid do not open the cylinder with the large 36mm bolt on top as this is your oil filter.

Jun 30, 2009 | 1986 BMW 3 Series

1 Answer

Overheating


Have you tried the 8 mm bleeder screw on top of the thermostat housing? You may have air trapped behind your thermostat. Also, overheating can be caused by a collapsed lower radiator hose. If it's soft and you can squeeze it together, then under acceleration it closes down on itself thus preventing the flow of your coolant. Also check your radiator cap. It's supposed to be a 1.1 Bar cap but if it's not functioning correctly, by having to add coolant to the coolant reservoir bottle or the coolant overflow bottle overflowing, usually says it's the radiator cap. These are the simple fixes that you ,may have overlooked.

Good Luck,

~Stillin~

Jun 05, 2009 | 1992 BMW 3 Series

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