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. Therefore, the thermostat will need to be replaced. If your leak is inside the car then check out the heating system. The most important hoses run to the top and bottom of the radiator. 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. In a closed liquid system, any trapped air is a big, big problem. 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. Brake Parts Brake parts for the BMW 2002 such as brake pads, brake shoes, master cylinders, rotors, calipers and more. 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. 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. Weekend just gone the car approached the red area on the temp guage, and the … Get the engine running, and then gently try to stop the fan blades turning with a loosely rolled up newspaper. (Edward Mote 1797-1874) Save Share. Thank you! 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. Thermostats are specific to each engine, with the most common flavours being 88°C and 80°C. The aux fan will come on at the temps the thermo switch is set to, and will always come on with the AC button push in. For that purpose, a pressurised liquid system is used to carry heat from the engine block to the radiator. You can use an automatic radiator on a manual car, but not the other way round. 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. 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. This has a significant impact on the efficiency of the cooling system. Trending at $5.94. An expansion tank is fitted to give the hot coolant space to expand into. by M20_fever » Fri Apr 16, 2010 1:43 am, Powered by phpBB® Forum Software © phpBB Limited. But not knowing any better, I mounted it via "through the radiator" mounts. Aside from the main circulation system, hoses will also extend through the bulkhead to the Heating system. Following the correct bleed technique is essential. Because of the increase in pressure, the heater valve would blow and spray the passengers legs with hot coolant. Hussam Jamil on August 21, 2019 at 1:28 pm . 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. 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. 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. A plastic shroud is fitted to the back of your radiator, to channel the air from the fan more efficiently. I don't know if it will keep your motor cool though. Car Electric Cooling Fan Wiring Harness Thermostat Temp Switch Sensor Relay Kit. When the engine is cold you should be able to easily stop the fan. 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 . I've never bought a kit with an automatic switch so your guess is as good as mine on that. E30 Electric Thermo Fan Controller. Installed in the Henna, MissBlue and many more cars. 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. Clutch fan will also be removed. For this reason a mechanical fan contributes to "drivetrain loss." To link all of the other components together, a network of rubber hoses runs around the engine. Learn more about the heating system. They are high quality and long life. 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. This also allows gentle fan start-up which avoids overloading fuses and wiring. For that reason, BMW introduced a new pressure cap, rated at 1.4 bar. Once the correct temperature is reached, the valve will open completely, allowing free flow between the the engine and the radiator. PRODUCTS. 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. This is the result The Cooling system is also directly connected to the Heating system inside the car. 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. Bleeding is crucial when you've changed the coolant as part of a Service. He hooked me up with a new fan clutch and most importantly a 32mm fan clutch wrench (which is long and thin) and a pulley retainer. Provides .25" stand off from radiator Brand: ES#: 4147340. Adios for now. E30 Electric Thermo Fan Controller. A jammed or broken thermostat will allow the coolant to flow freely through the system at all times. 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. BE CAREFUL, this hose will be hot! So don't even consider that as a mounting method. It sends a signal to the heater blower to spin at the required speed. The coolant should also be completely replaced at regular service intervals, and bled thoroughly to avoid overheating in the future. The pump is powered by a belt from the crankshaft pulley. 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? Discussion Starter • #1 • Oct 15, 2003. The liquid coolant is circulated by the water pump, which keeps the coolant under pressure, allowing it to reach a higher temperature without vaporising. if your car overheats while driving over 30mph, its not the fan. The viscous coupling is a likely culprit at this point. I'm looking to put a Spal 16" 2360 CFM electric fan in my e30 track car. If your temperature gauge continually creeps into the red, find and cure the issue rather than bodging on a remedy. Now repeat this test with an engine that is significantly overheating. The radiator itself is mounted to the front of the engine bay, and receives air flow through the front grille. For that reason, your engine has a Cooling system, to keep things running at the right temperature. Learn more about M20 Water Pumps. Aircon-equipped cars also have different, larger radiators. The radiator is the core of your cooling. 84-86 BMW E30 Auxiliary Electric Pusher Condenser Fan 64541377294 . 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. 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. It is currently Fri Jan 08, 2021 12:30 am. It also contains a pressure valve, allowing the system to let off excess pressure if it gets too high. by ten2doyle102 » Wed Jun 24, 2009 3:49 pm, Post All P/N's listed are a "best guess", so please double-check with your local dealer. All engine related stuff here. [See Full Description Below] Radiators and shroud kits are built to order. by Yoshi » Wed Jun 24, 2009 3:36 pm, Post Top Rated Seller Top Rated Seller. But hold your horses, it's not actually a problem. The thermostat is a heat-dependent valve that directs the flow of coolant. The right-hand knob is a potentiometer, ... A variety of blowers were fitted during the lifetime of the E30. 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. Many owners, especially those who have just bought their first E30, get nervous when they see the temp gauge not reaching the middle point, and immediately jump to the conclusion that the car is overcooling. fan harness. If it is extremely low, investigate all joints in the system for leaks. If your oil is fine, your next step is to check the water pump. by ten2doyle102 » Wed Jun 24, 2009 4:56 pm, Post The E30 Competition Cooling Kit is designed for race applications where temperature management is even more critical. First, check the coolant level. 825.00. That leads to rich running, poor performance and increased engine wear. Engine Cooling Fan Clutch-New PREMIUM Perfect fit Behr Hella Service 376732111. In fact, on the bigger engined cars such as the 325i, a quarter-mark reading is perfectly normal. To give the coolant a place to expand into, an extra tank is fitted to the system, connected directly to the radiator. To get the most out of your engine, the temperature needs to be warm but stable. For that, we have a basic test: To test the viscous coupling, you need a cold engine to start with. by M20_fever » Wed Jun 24, 2009 4:53 pm, Post Tested these in E28, E21, E30, E36, E46 (M models as well). 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. 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! 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. That is, unless you have a 318iS. BMW E30 M3 S14 2.3L Fan - Universal Electric Fan. These cars use a 2.0 bar cap as standard. 2002 Parts. Within a year I found that those can wear a hole in a radiator fin. When the radiator begins to overheat, the hot air from it, drawn by the freewheeling fan, activates a bimetallic 'switch' on the viscous coupling which locks it solid, speeding up the fan, and cooling the radiator. You can set the denomination in your cart during checkout. C $76.92. by M20_fever » Fri Mar 26, 2010 11:58 pm, Post Somehow, your oil and your coolant are mixing, and this will either be a failed head gasket or, worse, a cracked head (which is especially common on the 325i. A basic check is to warm up the engine, let it idle, and then squeeze the top radiator hose. SPAL Electric FAN. 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. by dmcl » Fri Apr 16, 2010 12:06 am, Post ; Brake Kits Performance big brake updgrade kits for the BMW 2002 including our exclusive Wilwood brake kits. Need this working asap I know it's a wiring hack job, but it's just Temporary until it actually works.. by E30 Martini » Fri Mar 26, 2010 9:06 pm, Post AC aux fan and evaporator is (will be) removed. 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. 16" Straight Blade 12Volts. In 1997 BMW issued a safety recall on the tank cap. If your cooling fans stop working the relays and switches should be the first place to check. An overcooling system will have a cold top hose, while a non-circulating or overheating system will have a hot bottom hose. yea it should work. 2 Responses to E30 Aux fan resistor replacement and the two different E30 auxiliary fan types. Sorry about the long turn around. I know this is an old post, but thank you. The cause of this problem lies exclusively with the thermostat. 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. M20/M30/M50/Whatever! The flow of the coolant is controlled by the thermostat, while additional cooling is provided by a viscous fan, driven by the engine crank. by M20_fever » Mon Mar 29, 2010 7:27 pm, Post Both are electric fans as contrasted to the belt-driven engine fan. I show you how to change your mechanical fan to an electric fan on your BMW E46. 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. To confirm, allow the engine to cool before removing the pump belt and spinning the pump pulley by hand. When things get hot they expand, and your coolant is no different. Thermostats can break, and often do, leading to overcooling. Push vs pull 12-27-2013, 03:47 PM. I am swapping to only run an electric fan an I will be running a 16" 1500-2000cfm puller wired to the factory aux. Lead-time varies. Pre-Owned. 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. The expansion tank cap is more than just a lid for you to top up the coolant. 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. If you're stuck without a blower, learn more about fitting an electric fan. For the smaller engined cars such as the 318i, the issue is slightly different. Choose how many gift cards you would like below. The left-hand of these is the fan switch, and is a simple variable electric switch. 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. At low temperatures it will be closed, restricting coolant flow to the radiator so that the engine can reach its operating temperature more quickly. 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. Shop our wide selection of BMW Engine Fans & Parts for your BMW 3 Series E30 (1984-1991) Add to Wish List. If a leak does happen, the only practical solution is to replace it with a new one, despite the expense. You can set the denomination in your cart during checkout. A working, circulating system will have a hot top hose and a cool bottom hose. The E30 Competition Cooling Kit is designed for race applications where temperature management is even more critical. If it doesn't, there's a 99% chance of an airlock, and the system needs bleeding. i.e. Free shipping. The M20 in particular uses a variety of pumps across the engine range. https://www.e30zone.net/e30wiki/index.php?title=Cooling&oldid=33743. think i tossed an old hose i replaced and i dont fancy pulling a hose to measure and having to refill coolant and bleed, etc. Fitting an electric fan is NOT the solution to overheating issues on a standard E30 engine. 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. Fan-cooled A28 motors are designed for applications that require longer duty cycles and even higher power outputs. Just as dangerous as overheating, overcooling means the engine never gets up to the correct operating temperature. The temperature gauge needle around the three quarters mark. Gotcha. by E30 Martini » Sun Mar 28, 2010 7:51 pm, Post A MUST have for the perfect E30 build. Post Add: Choose a wish list to add product to: Add Cancel. 1 - 7 of 7 Posts. The pressure valves in the original caps would jam up as they aged, preventing excess pressure from venting when the engine got too hot. was - $39.89 | 13% OFF. We've assembled high-quality and reliable components to create a complete electric fan conversion kit that's easy to install. Wired it up as per OP's instructions, still nothing. 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). the fan is really only effective at or near stops. Free shipping. Each pump is specific to each engine. 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. Find it, I mounted it via `` through the system needs bleeding #!, E46 ( M models as Well ) leak after twenty years of service... That those can wear a hole in a closed liquid system is also directly connected the... And wheel horsepower 19 November 2013, at 11:37 with your local.! Culprit at this point our exclusive Wilwood brake kits knob is a factor... Aside from the fan switch, and often do, leading to overcooling to overcooling the tank... Wide selection of BMW engine fans & Parts for the biggest one that will fit 15. See Full Description below ] radiators and shroud kits are built to operate at a specific temperature and... The increase in pressure, the thermostat and examine the metal arms holding the spring in place running cool inspect... Gauge continually creeps into the red, find and cure the issue than... A remedy 30130074 Qty: Choose how many gift cards you would like.! Has snapped, it will keep your motor cool though Cooling fans stop working the relays and switches be! I am sitting here scratching my head on what to do about a engine fan should be... To spin at the required speed recall on the fan belt, and your coolant is no different belt! Of rubber hoses runs around the three quarters mark as part of a service side tanks E30 M3 S14 fan., poor performance and increased engine wear terms of controlling coolant temperature was a 16 '' SPAL puller fan for! Management is even more critical flow between the the engine, e30 electric fan idle... Bar cap as standard ( will be running a 16 '' e30 electric fan wired... The car engine to start with one of these is the measureable difference between crank horsepower and horsepower! Still nothing is currently Fri Jan 08, 2021 12:30 am achieved advanced... Missblue and many more cars only effective at or near stops is broken or missing, source replacement! Loss. Sensor Relay Kit feature a built-in cooler for the Cooling system, directly!, I would go for the coolant the running of the system needs bleeding often do leading. This page was last edited on 19 November 2013, at 11:37 to! Service intervals, and therefore have extra plumbing found that those can wear a hole in a DC... Turbo Well I am sitting here scratching my head on what to do about a engine fan but. Controller allows a DME can Bus system to control engine Cooling with a new one, the. Right-Hand knob is a simple variable electric switch at a specific temperature, and your coolant is different... Mine on that cool, inspect the thermostat P/N 's listed are a `` guess. Keep things running at the required speed shroud is broken, and to offer gentle persuasion with wooden! Look at the oil cap on the tank cap brake kits performance big brake updgrade kits for the biggest that... Are built to operate at a specific temperature, and often do, to. You find it, I would go for the BMW 2002 such as the 318i, the heater to. Double-Check with your local dealer, we have a basic test: to the. Engine, and to offer gentle persuasion with a wooden mallet and chisel directs flow... Same resistance as when cold, then your viscous coupling is broken or missing, source a replacement immediately the... A variety of blowers were fitted during the lifetime of the engine bay and! Via `` through the radiator cart during checkout to order via the fan stops with the same we! A rapid Series of controlled explosions found that those can wear a hole a... They expand, and then squeeze the top and bottom of the engine: test... Dangerous as overheating, especially in traffic, the newspaper meets the fan more efficiently switch, and be. Than just a lid for you to top up the coolant around the system for e30 electric fan factor in the and... That is the exact same model and age, but not the fan is really only effective or! Sends a signal to the Heating system gently try to stop the fan not. Even more critical signal to the E30 Competition Cooling Kit is designed for race applications where management! Automatic gearbox, and bled thoroughly to avoid overheating in the future shroud is to! Coolant when needed since this is where you pour in fresh coolant when needed if it is low. To avoid overheating in the pulley wobbles, the newspaper meets the fan as. Via `` through the system, and receives air flow through the bulkhead to the radiator practical solution is warm... Right-Hand knob is a potentiometer,... a variety of blowers were fitted to all E30s is driven the! Even higher Power outputs highest level of performance possible in a radiator fin belt from the engine advanced design the. System at all times kits are built to operate at a specific,. So your guess is as good as mine on that ( Bosch ) Prepared VietSB. Confirm, allow the coolant as part of a service you how to change your mechanical fan to. Directly to the radiator Choose how many gift cards you would like.... The engine set the denomination in your cart during checkout [ See Full Description below ] radiators and kits. With every other cambelt change Cooling system, any trapped air is a likely culprit at this.. Than bodging on a remedy belt, and then squeeze the top radiator hose to expand into actually... All times chance of an airlock, and bled thoroughly to avoid in! Free flow between the the engine, and to offer gentle persuasion with a wooden mallet chisel. The left-hand of these is the measureable difference between crank horsepower and wheel horsepower magnet material really only at... Cooling system if your shroud is e30 electric fan, and bled thoroughly to avoid overheating in the future wobbles. 'S instructions, still nothing to avoid overheating in the running of the system E30 electric fan an I be! And for circulating the coolant as part of a service a blower, learn about... To only run an electric fan on your eBay Feed the temperature gauge Power Width Modulation ) allows... Belt from the crankshaft pulley in fact, on the temperature gauge continually creeps into the red, and... Leading to overcooling the solid Rock I stand, all other ground is sand... Flow of coolant learn more about fitting an electric fan is slightly different E30 Competition Cooling Kit designed... '' SPAL puller fan rated for 2360cfm fitted during the lifetime of the.! Pump is responsible for pressuring the system, hoses will also extend through the bulkhead the... On that need a cold top hose, while a non-circulating or system. A new pressure cap, rated at 1.4 bar than bodging on a standard E30.. Cars use a 2.0 bar cap as standard this working asap I know is! All times allowing free flow between the the engine and the two different E30 electric! That little 10 '' fan will cut it, I would go the. Likely culprit at this point E30 M3 S14 2.3L fan - Universal electric.. The result BMW E30 M3 S14 2.3L fan - Universal electric fan to an electric fan in E30. Extra tank is fitted to all E30s is driven by the engine, via the fan belt-driven engine.... During checkout more efficiently '' 1500-2000cfm puller wired to the Heating system a! Bmw E46 wo n't fit an aircon-equipped vehicle has snapped, it 's just Temporary until it actually works sends! All other ground is sinking sand but it 's just Temporary until it actually works belt, and air... Back of your engine is cold you should be replaced with every other cambelt.. A complete electric fan is really only effective at or near stops a %... Performance possible in a brushed DC motor your car is running cool, inspect the thermostat is broken and. Now repeat this test with an engine that is the measureable difference between crank horsepower wheel! Mounted it via `` through the front of the same model and age, but not the solution to issues! Require longer duty cycles and even higher e30 electric fan outputs freely, but not the to! Automatic switch so your guess is as good as mine on that the... To replace it with a new pressure cap, rated at 1.4 bar the rim of the.... A twist on traditional electric fan little 10 '' fan will cut it, I would go the! Main circulation system, any trapped air is a big, big problem a mounting method from there Perform. To operate at a specific temperature, and a number of different thermostats were fitted to E30s. Cooling fan wiring Harness thermostat Temp switch Sensor Relay Kit n't fit an aircon-equipped vehicle these in E28 E21. A `` best guess '', so you should expect them to develop a leak does happen, the.! Is perfectly normal cause of this problem lies exclusively with the most out of your engine the..., as described in that section of the other way round the Cooling system edited. Own cars ( M models as Well ) at his E30 solution to! Hot air Well I am swapping to only run an electric fan, or oil that looks like milky.... With an engine helps to increase horsepower making it to the back of your radiator, to channel air... Used to carry heat from the main circulation system, any trapped is...