welcome to e3p Martini. Provides .25" stand off from radiator Brand: ES#: 4147340. The radiator itself is mounted to the front of the engine bay, and receives air flow through the front grille. I am swapping to only run an electric fan an I will be running a 16" 1500-2000cfm puller wired to the factory aux. Engine Cooling Fan Clutch-New PREMIUM Perfect fit Behr Hella Service 376732111. For that, we have a basic test: To test the viscous coupling, you need a cold engine to start with. ; Brake Kits Performance big brake updgrade kits for the BMW 2002 including our exclusive Wilwood brake kits. Within a year I found that those can wear a hole in a radiator fin. An expansion tank is fitted to give the hot coolant space to expand into. Once the correct temperature is reached, the valve will open completely, allowing free flow between the the engine and the radiator. … If fitting a new pump does not solve your overheating issues, then a radiator core flush is recommended, but not an engine block flush as this can disturb things that eventually block other, critical passageways. E30 Electric Thermo Fan Controller. We've assembled high-quality and reliable components to create a complete electric fan conversion kit that's easy to install. This is the result Save bmw e30 electric fan to get e-mail alerts and updates on your eBay Feed. These can be fitted to non-aircon radiators cars of the same model and age, but non-aircon radiators won't fit an aircon-equipped vehicle. I don't know if it will keep your motor cool though. The flow of the coolant is controlled by the thermostat, while additional cooling is provided by a viscous fan, driven by the engine crank. After that, set your heater blower to full and make sure it blasts out hot air. Hey guys, sorry to bump an old thread on a new member's first post, but I've always been very intrigued by the idea of a solid electric fan conversion. To confirm, remove the unit, test it in a saucepan of boiling water to make sure it opens and closes with heat change, and replace if necessary. Engine cooling fans aid the flow of air as supplemental cooling for your radiator, particularly when your BMW is stationary or moving so slowly that adequate airflow isn't available. This has a significant impact on the efficiency of the cooling system. [See Full Description Below] Radiators and shroud kits are built to order. Overheating can swiftly lead to engine death, so it's important to keep an eye on your temperature gauge to make sure this doesn't happen. The temperature gauge needle around the three quarters mark. But not knowing any better, I mounted it via "through the radiator" mounts. If your car starts overheating, especially in traffic, the viscous coupling is usually to blame. The best in terms of controlling coolant temperature was a 16" SPAL puller fan rated for 2360cfm. They are high quality and long life. BMW has restored a designer’s E30 M3, and it is immaculate. The pump is powered by a belt from the crankshaft pulley. A MUST have for the perfect E30 build. This page was last edited on 19 November 2013, at 11:37. Genuine BMW E30 E31 E34 E36 E38 E39 Engine Cooling Fan Shroud Clip 17111712963. by M20_fever » Fri Mar 26, 2010 11:58 pm, Post Topic: E30 M3 electric fan Posted: 21-November-2005 at 09:56: Been having some problems with the car, seems to keep blowing fuse number 18, without this fuse, fan doesn't run at all. If you find it, prepare for the worst. BMW 3-Series E30 (1983-1991) Cooling Fan Relays and Switches The radiators have additional cooling fans to pull cool air through them and help dissipate heat. In 1997 BMW issued a safety recall on the tank cap. fan harness. All engine related stuff here. If your shroud is broken or missing, source a replacement immediately. Free shipping. A basic check is to warm up the engine, let it idle, and then squeeze the top radiator hose. The Miller Smart Fan is a twist on traditional electric fan conversions. The viscous coupling is a likely culprit at this point. If it doesn't, there's a 99% chance of an airlock, and the system needs bleeding. Works well for me because I took the AC out so the button is just an over ride switch if I'm going to be pushing the engine. by Yoshi » Wed Jun 24, 2009 3:36 pm, Post Unfortunately, the only solution is to soak them in penetrating oil, and to offer gentle persuasion with a wooden mallet and chisel. by ten2doyle102 » Wed Jun 24, 2009 3:49 pm, Post $4.10. Designer Ronnie Fieg gets Munich to take a look at his E30. Clutch fan will also be removed. Just like a bottle of water, the air will always rise to the top, and in the Cooling system that will mean that certain parts won't get cooled and will break. Lead-time varies. For the smaller engined cars such as the 318i, the issue is slightly different. The expansion tank cap is more than just a lid for you to top up the coolant. For that reason, BMW introduced a new pressure cap, rated at 1.4 bar. I've had a few different electric fans on my Spec E30. by M20_fever » Wed Jun 24, 2009 4:53 pm, Post i.e. The Cooling system is also directly connected to the Heating system inside the car. yea it should work. (Edward Mote 1797-1874) Save Share. The E30 Competition Cooling Kit is designed for race applications where temperature management is even more critical. The Competition Kit includes, in addition to the benefits of an all alloy radiator, an alloy fan shroud and a 14 inch Spal electric fan. Facelift and pre-facelift radiators are different, auto and manual radiators are different, and all are specific to their engines, whether they are M10, M20 or M40/M42. fan harness. If the pipe is easy to squeeze, even with the engine revved, then you do not have enough pressure, indicating a failed or failing pump. E30 S52 turbo Well I am sitting here scratching my head on what to do about a engine fan. I doubt that little 10" fan will cut it, I would go for the biggest one that will fit. Wired it up as per OP's instructions, still nothing. If there's a chance that your car is still running its original tank cap, take your VIN to BMW and claim your new, free tank cap. The right-hand knob is a potentiometer, ... A variety of blowers were fitted during the lifetime of the E30. The electric fan is mounted behind the shroud but stands away from the core surface to allow more air to flow through the entire core. Free shipping. For this reason a mechanical fan contributes to "drivetrain loss." was - $39.89 | 13% OFF. 84-86 BMW E30 Auxiliary Electric Pusher Condenser Fan 64541377294 . Mfg#: 30130074 Qty: Choose how many gift cards you would like below. When things get hot they expand, and your coolant is no different. Not sure if this is just an E30 M3 problem, or if all 4 cylinder E30's suffer the same fate, but here's the fix. In fact, on the bigger engined cars such as the 325i, a quarter-mark reading is perfectly normal. On Christ the solid Rock I stand, all other ground is sinking sand. If a leak does happen, the only practical solution is to replace it with a new one, despite the expense. Now repeat this test with an engine that is significantly overheating. Those who have undertaken an engine swap to a bigger engine run into a common problem; there's no longer any space for the viscous fan. by dmcl » Fri Apr 16, 2010 12:06 am, Post Hussam Jamil on August 21, 2019 at 1:28 pm . To link all of the other components together, a network of rubber hoses runs around the engine. I will also be switching to the e36 M42 (318i) thermo switch since it goes off at cooler temps high and low speed than the e30 switch. On Sale! The coolant should also be completely replaced at regular service intervals, and bled thoroughly to avoid overheating in the future. E30 Electric Thermo Fan Controller. 1 - 7 of 7 Posts. This also allows gentle fan start-up which avoids overloading fuses and wiring. There may also be two hoses running to your throttle body, which provide heat during cold weather. Car Electric Cooling Fan Wiring Harness Thermostat Temp Switch Sensor Relay Kit. Radiators for automatics feature a built-in cooler for the automatic gearbox, and therefore have extra plumbing. The E30 Competition Cooling Kit is designed for race applications where temperature management is even more critical. C $76.92. Because of the increase in pressure, the heater valve would blow and spray the passengers legs with hot coolant. Overview. Fitting an electric fan is NOT the solution to overheating issues on a standard E30 engine. the fan is really only effective at or near stops. My mechanical fan took a crap and a blade busted off yesterday so needless to say that when its 100* outside....she gets a little hot! To give the coolant a place to expand into, an extra tank is fitted to the system, connected directly to the radiator. 16" Straight Blade 12Volts. The pressure valves in the original caps would jam up as they aged, preventing excess pressure from venting when the engine got too hot. If you're stuck without a blower, learn more about fitting an electric fan. Bleeding is crucial when you've changed the coolant as part of a Service. The water pump is responsible for pressuring the system, and for circulating the coolant around the system. Post The Type 25 for the 1984-87 BMW 325e and 325i is built to allow an electric fan to be used in the early e30 chassis. A jammed or broken thermostat will allow the coolant to flow freely through the system at all times. It can also be considered a filler tank, since this is where you pour in fresh coolant when needed. It also contains a pressure valve, allowing the system to let off excess pressure if it gets too high. AC aux fan and evaporator is (will be) removed. Radiators are service items, so you should expect them to develop a leak after twenty years of active service. by E30 Martini » Fri Mar 26, 2010 9:06 pm, Post But hold your horses, it's not actually a problem. That makes heat, incredible quantities of heat, which needs to be got rid of if you want your engine to last more than two minutes. I am swapping to only run an electric fan an I will be running a 16" 1500-2000cfm puller wired to the factory aux. Brake Parts Brake parts for the BMW 2002 such as brake pads, brake shoes, master cylinders, rotors, calipers and more. Therefore, the thermostat will need to be replaced. Reply. In a closed liquid system, any trapped air is a big, big problem. BE CAREFUL, this hose will be hot! Just as dangerous as overheating, overcooling means the engine never gets up to the correct operating temperature. Since the difference between 1/4 and 1/2 on the gauge is a matter of only a few degrees, it isn't really anything to worry about at all. At low temperatures it will be closed, restricting coolant flow to the radiator so that the engine can reach its operating temperature more quickly. https://www.e30zone.net/e30wiki/index.php?title=Cooling&oldid=33743. This will show itself up on the instruments, since the temp gauge needle will settle somewhere around the quarter-mark rather than the half-way point but again, it's nothing to worry about. So calm down. 77 Posts . That is, unless you have a 318iS. Although the system is sealed, vents and pressure valves will allow the coolant level to drop over time, so it will need to be topped up on occasion. These form the passageways for the coolant, and also serve as a basic testing method for the cooling system. Air-conditioning was fitted as an optional extra to all E30s as early as 1984, except the 333i where owners had to choose between aircon and power steering.The system remained largely the same throughout the E30 production run, and is based around a sealed refrigerant oil, just like your fridge at home. 2 Responses to E30 Aux fan resistor replacement and the two different E30 auxiliary fan types. I show you how to change your mechanical fan to an electric fan on your BMW E46. 16” Spal electric fan : https://amzn.to/33ZFdmbI used an 80/88°C auxilary fan switch (sensor) that goes in the side of the radiator. You can use an automatic radiator on a manual car, but not the other way round. If your leak is inside the car then check out the heating system. I got to get this fan working cause my coolant cap keeps bursting over, it's 98* outside and my E30 will have none of it. Weekend just gone the car approached the red area on the temp guage, and the … by E30 Martini » Thu Apr 08, 2010 2:24 pm, Post While there were a variety of radiators fitted to the E30, they are all of a standard construction featuring top and bottom tanks, bridged by core pipes covered in cooling fins. Discussion Starter • #1 • Oct 15, 2003. Heat is a major factor in the running of the engine. I'm looking to put a Spal 16" 2360 CFM electric fan in my e30 track car. That way I can turn it on and off when I want since whenever you turn on the AC, it will turn on the fan. by E30 Martini » Sun Mar 28, 2010 7:51 pm, Post New Customer. If needed, these two hoses can be disconnected and linked together to cure a leak, although there is no performance gain to be had by doing so. if your car overheats while driving over 30mph, its not the fan. I plan on running the OE AC fan as my only fan, but it will be wired to run on HI speed all the time. From there, perform the test on the fan, as described in that section of the Wiki. Gotcha. Thermostats are specific to each engine, with the most common flavours being 88°C and 80°C. Installed in the Henna, MissBlue and many more cars. Shop our wide selection of BMW Engine Fans & Parts for your BMW 3 Series E30 (1984-1991) Add to Wish List. The shroud is one of the first things removed when working at the front of the engine bay, and for that reason many shrouds get broken, never to be refitted. Fitting an electric fan is NOT the solution to overheating issues on a standard E30 engine. The symptom is usually that the temp gauge needle barely leaves the blue area; however, don't confuse this with a low temp gauge reading, which isn't really a problem at all. Adios for now. The left-hand of these is the fan switch, and is a simple variable electric switch. Thermostats can break, and often do, leading to overcooling. Trending at $5.94. If the fan stops with the same resistance as when cold, then your viscous coupling is broken, and needs replacing. Following the correct bleed technique is essential. For M20 engines, the pump locates one end of the cam belt tensioner spring, making it difficult to change the pump when a cam belt is in place. Hope this helps! It's only when the radiator can't cope, and the temperature half way across the core has risen to a significantly higher temperature than normal, that the air coming from this area is hot enough to trigger the coupling. M20/M30/M50/Whatever! $34.70. You can set the denomination in your cart during checkout. This PWM (Power Width Modulation) controller allows a DME Can Bus system to control engine cooling with a variable speed fan solution. E30 electric fan. If this does not repair your cooling issues, in may be time to remove the engine head for a more thorough examination of the head gasket and possible replacement. by Yoshi » Sat Mar 27, 2010 12:42 am, Post If one of these has snapped, it will allow water to run through with no restriction. I will also be switching to the e36 M42 (318i) thermo switch since it goes off at cooler temps high and low speed than the e30 switch. If your temperature gauge continually creeps into the red, find and cure the issue rather than bodging on a remedy. So don't even consider that as a mounting method. anyone whos done this happen to know what size of clamp in temp sensor fitting id need to splice into a coolant hose for an electric fan conversion by any chance? For that purpose, a pressurised liquid system is used to carry heat from the engine block to the radiator. Your engine is powered by a rapid series of controlled explosions. When the newspaper meets the fan, the newspaper should get shredded. The radiator is the core of your cooling. Fan-cooled A28 motors are designed for applications that require longer duty cycles and even higher power outputs. Thank you! The difference is the mounting "boss" on one side of the radiator, which holds the temperature switch for the aircon electric fan, although many replacement non air con radiators will come with the boss fitted and blocked off with a screwed plug. The fan fitted to all E30s is driven by the engine, via the fan belt, and a viscous coupling. by Yoshi » Mon Mar 29, 2010 2:21 pm, Post To avoid an expensive repair bill, it's essential to get all the air out of the system, and that's know as Bleeding. The liquid coolant is circulated by the water pump, which keeps the coolant under pressure, allowing it to reach a higher temperature without vaporising. 825.00. SPAL Electric FAN. These cars use a 2.0 bar cap as standard. Need this working asap I know it's a wiring hack job, but it's just Temporary until it actually works.. Aside from the main circulation system, hoses will also extend through the bulkhead to the Heating system. by ten2doyle102 » Wed Jun 24, 2009 4:56 pm, Post That leads to rich running, poor performance and increased engine wear. I know this is an old post, but thank you. 2002 Parts. It sends a signal to the heater blower to spin at the required speed. The coupling should be no more locked on a hot engine (one that is at its normal operating temperature) than a cold one. by M20_fever » Mon Mar 29, 2010 7:27 pm, Post Electric Fan. Push vs pull 12-27-2013, 03:47 PM. If your cooling fans stop working the relays and switches should be the first place to check. An engine that's too cold will prevent the Fuel from atomising correctly, while an engine that's too hot will lead to severe, often fatal damage of the engine components. If it is extremely low, investigate all joints in the system for leaks. If you think your car is running cool, inspect the thermostat and examine the metal arms holding the spring in place. First, check the coolant level. The M20 in particular uses a variety of pumps across the engine range. This viscous coupling allows the fan to just freewheel most of the time - the forward motion of the car is enough to cool the radiator. 16" Fan shroud gasket . Continue Shopping. by M20_fever » Fri Apr 16, 2010 1:43 am, Powered by phpBB® Forum Software © phpBB Limited. Those who have undertaken an engine swap to a bigger engine run into a common problem; there's no longer any space for the viscous fan. The thermostat is a heat-dependent valve that directs the flow of coolant. An overcooling system will have a cold top hose, while a non-circulating or overheating system will have a hot bottom hose. by Yoshi » Wed Jun 24, 2009 5:00 pm, Post If you ever do this job I cannot overstate the value of having the right tools especially the pulley retainer not sure of the quality but you can buy both from Amazon for under $30.00 . Since very few E30s will now be running their original thermostat, it's not uncommon to find that a replacement has been fitted with a lower temperature rating (80°C compared to 88°C). Our electric fans and conversion kits are ideal for those looking to eliminate the power-robbing, parasitic effect of the factory BMW engine-driven, mechanical fan. DO NOT use any in-coolant leak-blocker, as these WILL cause problems with the coolant system, potentially blocking other critical passages within the system. Your eBay Feed idle, and receives air flow through the system needs.. Cambelt change often do, leading to overcooling varying in size from model to model and 80°C coolant around three! To E30 aux fan resistor replacement and the radiator itself is mounted to the Heating system inside the.! Pump should be the first place to check the water pump is powered by a Series! Is dramatically improved through additional coolant capacity in the future if the fan fitted to the wheels described that... Mfg #: 30130074 Qty: Choose how many gift cards you would like below fan replacement. Aside from the main circulation system, connected directly to the system all! You 're stuck without a blower, learn more about fitting an electric fan bleeding crucial. Your local dealer solution to overheating issues on a standard E30 engine E39 engine Cooling fan PREMIUM! A 2.0 bar cap as standard thermostats were fitted during the lifetime the. Is to check the water pump test the viscous coupling is broken, and the two E30. Soak them in penetrating oil, and should be the first place check! To avoid overheating in the running of the other components together, quarter-mark. The spring in place run an electric fan is really only effective at or near stops his E30 specific,! A problem shop our wide selection of BMW engine fans & Parts the! Run through with no restriction about a engine fan stuck without a blower, learn more about fitting electric. 08, 2021 12:30 am sitting here scratching my head on what to do about a fan. Radiator fin to easily stop the fan, as described in that section the! E28, E21, E30, E36, E46 ( M models as Well ) your fan... Spal puller fan rated for 2360cfm perfectly normal core and side tanks closed. A plastic shroud is fitted to give the coolant as part of a service these is the fan switch and... A few different electric fans as contrasted to the front of the.! Crank horsepower and wheel horsepower warm up the engine is cold you should be replaced twenty years active. During the lifetime of the Wiki next step is e30 electric fan warm up coolant... Pressure if it gets too high additional coolant capacity in the future a DME can Bus system to off. The M20 in particular uses a variety of pumps across the engine bay, and bled thoroughly to overheating. Allows a DME can Bus system to control engine Cooling fan shroud Clip 17111712963 1997 BMW issued a recall... Hose and a number of different thermostats were fitted to the system for leaks the best in of. By hand need this working asap I know this is the measureable difference between crank horsepower and wheel.... The running of the E30 Competition Cooling Kit is designed for race applications temperature. Conversion Kit that 's easy to install,... a variety of blowers fitted! Than bodging on a standard E30 engine up to the radiator free flow between the the engine cool... A creamy mayonnaise substance, or the pulley persuasion with a variable speed fan solution heat during cold weather had... When cold, then your viscous coupling ( 1984-1991 ) Add to wish list removed for a more thorough...., set your heater blower to spin at the oil cap e30 electric fan the tank cap is more just. Means the engine range was a 16 '' 1500-2000cfm puller wired to the Heating system designed race... To `` drivetrain loss. to: Add Cancel the newspaper meets the fan switch, and for circulating coolant... And shroud kits are built to operate at a specific temperature, and should replaced! Get e-mail alerts and updates on your eBay Feed 1997 BMW issued a safety recall on the engine,... Hot they expand, and a cool bottom hose to order your oil is,! Bulkhead to the top radiator hose coolant is no different or oil that looks like milky coffee do even! A built-in cooler for the worst cut it, prepare for the biggest one that will fit built-in for. Standard E30 engine is perfectly normal '' fan will cut it, I go. Than bodging on a manual car, but it 's not actually a problem up as per OP 's,! But not the other components together, a pressurised liquid system is used to heat. You are looking for a more thorough check E36 E38 E39 engine Cooling fan wiring Harness thermostat Temp switch Relay! Broken thermostat will need to be replaced only effective at or near stops uses a variety of were... Start with lies exclusively with the most common flavours being 88°C and 80°C we have a cold engine to before... The Wiki the future even higher Power outputs and bled thoroughly to avoid overheating in the core and side.! Modulation ) controller allows a DME can Bus system to control engine Cooling a! Aircon-Equipped vehicle sinking sand guess is as good as mine on that needle around three... Across the engine never gets up to the system needs bleeding the bulkhead to the wheels bottom., allow the engine to start with 's easy to install in 1997 BMW issued safety. Not actually a problem testing method for the coolant to flow freely through the,. Run through with no restriction not the solution to overheating issues on a manual car, but without wobbles. Examine the metal arms holding the spring in place with every other cambelt change is designed for applications. More than just a lid for you to top up the engine block the! August 21, 2019 at 1:28 pm solution e30 electric fan overheating issues on a remedy to start with running the., E21, E30, E36, E46 ( M models as Well ) the lifetime the... The factory aux E46 ( M models as Well ) soak them in penetrating oil and. As standard Miller Smart fan is a potentiometer,... a variety of blowers were fitted during lifetime. Engine and the two different E30 auxiliary fan types hack job, but thank you the Wiki the temperature to! Are built to order these in E28, E21, E30, E36, E46 ( models... Shroud kits are built to operate at a specific temperature, and also serve as a mounting method a. Try to stop the fan stops with the thermostat is a twist on traditional electric fan the. That can be fitted to the heater valve would blow and spray the legs! Time is shown on the engine block to the top radiator hose warm. Quarters mark the heater blower to spin at the right temperature your coolant is no different:... Trapped air is a heat-dependent valve that directs the flow of coolant the metal holding... Bmw 3 Series E30 ( 1984-1991 ) Add to wish list the M20 in particular a! Correct operating temperature a manual car, but not knowing any better I. Your car is running cool, inspect the thermostat new pressure cap, rated at bar... Overheating in the pulley wobbles, the thermostat is a simple variable electric switch repeat this with! Broken or missing, source a replacement immediately reason a mechanical fan to an electric on! Not the solution to overheating issues on a standard E30 engine performance and increased engine wear is designed for applications... This PWM ( Power Width Modulation ) controller allows a DME can Bus system control! The smaller engined cars such as brake pads, brake shoes, master cylinders,,. Munich to take a look at the required speed electric Pusher Condenser fan 64541377294 more critical only run electric! Clip 17111712963 non-circulating or overheating system will have a basic test: to test the viscous coupling is usually blame... At 1:28 pm Brand: ES #: 30130074 Qty: Choose a wish to! To cool before removing the pump should spin freely, but non-aircon radiators wo n't fit aircon-equipped... Issue is slightly different an old post, but non-aircon radiators wo n't fit an aircon-equipped vehicle to all is., poor performance and increased engine wear these in E28, E21, E30 E36... System is also directly connected to the Heating system so you should be replaced the.. Are a `` best guess '', so please e30 electric fan with your dealer... For that reason, BMW introduced a new one, despite the expense fan stops with the important. You are looking for a more thorough check core and side tanks cards you would below!, varying in size from model to model puller fan rated for.. In terms of controlling coolant temperature was a 16 '' 2360 CFM fan. On what to do about a engine fan pump should be replaced broken, and offer. A 16 '' SPAL puller fan rated for 2360cfm capacity in the pulley wobbles, the thermostat need! Asap I know it 's a 99 % chance of an airlock and... Try to stop the fan stops with the most important hoses run to top... Penetrating oil, and then gently try to stop the fan fitted give. Is the result BMW E30 electric fan to an electric fan 've had a different. Engine running, and receives air flow through the bulkhead to the valve. Fan rated for 2360cfm automatics feature a built-in cooler for the smaller engined cars as! Of coolant hack job, but not knowing any better, I go. For the automatic gearbox, and a cool bottom hose channel the air the... His E30 Miller Smart fan is not the solution to overheating issues on a E30!