E46 cooling fan temperature?

I plan to take this a step further. Sent from BimmerApp mobile app Feb 21, 2014 · Either your coolant temp sensor or wiring to the coolant temp sensor is faulty. The temperature data from from the sensor in the lower radiator hose are ("data" is plural) used by the DME to determine engine output. Nov 20, 2022 · I would be happy if I were you, because even 96-98 C is too high and negatively affects the plastic under the hood and rubber seals. DIY: Aux/mechanical fan to electric fan swap. The E85 Z4 is close enough to the E46 that its fan may be used in the E46. The fan switches on once. Jul 19, 2016 · You likely want to verify that the electric fan is functioning correctly as part of the diagnosis. I believe turning on the A/C should override the lower temp sender and the aux fan should come on regardless of coolant temp. A. May 2, 2023 · In this guide, we’ll cover some of the most common BMW E46 cooling system problems as well as how to fix them. The logic and firmware supports everything from a European diesel e46 (low op temp) to the US M5x e46 (high op temp). BMW E90 models utilize a radiator outlet temperature sensor that's located in the right side radiator hose. In my case the pressure that the sensor was reading was 35bars which is over 500psi The load and cooling requirements of the automatic were deemed higher. Often a bad lower rad hose outlet coolant temp sensor (CTS) can cause erratic fan operation. More About Engine Cooling Fans & Parts If you're overheating in traffic or while idling, you may need to check your radiator fan. The wiring to the fan has been modified and it seems like the fan would not work at all the way it is now wired. Another symptom of a bad or failing ambient temperature sensor is inconsistent cooling. The electric fan is a critical element in an E46 circuit diagram - and understanding how it works can be crucial for taking care of your car. Coolant temps on the highway ranged from 85-97C (185-207F) ambient temp was 3C (37F). It seems like the electric cooling fan has stopped working, so I'm looking for a replacement. When the ambient temp showed 122f the fan would come on normaly. INPA is a BMW diagnostic tool - you might not have that but it's the best for delving into fan issues. Do not add a second fan. And I bought it with no auxiliary fan or cooler fan or whatever you wanna call the fan. Unplugged thermostat - still runs. It will typically develop a hairline crack anywhere from 60-95k miles (give or take a few). Temp sensor's resistance changes with coolant temperature so I think its fine. The pusher and puller fans are essentially identical. The failures: How, why, and when do the failures typically occur? Plastics. FWIW I just had the upper and lower radiator hoses, radiator, expansion tank, and viscous fan coupling replaced at 113K miles on my 2003 M3 cabrio. I've seen threads, where people. (automatic transmission) In the summer w/ ambient around 85F or so, my coolant temps typically run at 86-95C at operating temp with fairly hard driving (even without the mechanical fan in place); temps actually decrease with hard driving where my temps are more in the lower 90's to high 80's under hard driving. If it helps any, the car is a 320i 98' with the mechanical fan for cooling (early 98 model - march). It seems BMW took some shortcuts when it came to radiator design and used weak materials like plastic for critical connection points. Apr 21, 2011 · Turn the ignition on but do not start the engine. Made me watch my temps. We include products w. Jul 2, 2012 · I believe it's also recovering a signal from the ambient temperature sensor. BMW E46 3 Series 320Ci M54 engine 2000, 2001, 2002, 2003, 2004, 2005 and 2006 TobyB said: Radiator outlet is going to vary from anywhere from ambient temperature to. There is also a coolant temp sensor in the lower radiator hose, for fan control only. Slowly pour coolant into the expansion tank until coolant runs out of the bleed screw hole. When it comes to comm. Should radiator be spinning always? No, it should not - the engine reaches its normal operating temperature. The coolant, the radiator, the fan and water … On manual e46’s the electric fan is situated behind the radiator in front of the water pump and thermostat – in this setup it acts as a “puller fan” – pulling air through the radiators. Liquid nitrogen resembles water when it boils, but. It should only engage when the coolant is hot and there isn't enough airflow. So my electric fan died today. The old evaporator temperature sensor tested bad. The coolant, the radiator, the fan and water … On manual e46’s the electric fan is situated behind the radiator in front of the water pump and thermostat – in this setup it acts as a “puller fan” – pulling air through the radiators. For more E46, M52 and M54 information, check out our Complete BMW M52 Engine Guide, our Most Common BMW M54 Engine Problems Guide, and our E36 vs E46 Comprehensive Guide. If temp goes to 97/98C and stays there, then something is causing the DME to activate the tstat heater and over cool the car. Slowly pour coolant into the expansion tank until coolant runs out of the bleed screw hole. Most common causes are: - wiring or connector open, blown fuse. Apr 11, 2012 · As such, it is absolutely imperative that you maintain your BMW E36/E46 3-Series cooling system. Here is a quick recap: BMW states the "normal" operating temperature for these inline 6 cylinders with the heated thermostat to be 75-113C or 167-235F. Attacking Mid Discussion starter. DIY: Aux/mechanical fan to electric fan swap. Often a bad lower rad hose outlet coolant temp sensor (CTS) can cause erratic fan operation. optimum operation by switching on an off as the car is driven. A possible air pocket in the cooling system, proper coolant system bleeding can resolve this. Often a bad lower rad hose outlet coolant temp sensor (CTS) can cause erratic fan operation. 7719 posts · Joined 2003 Yes that is the power connector for the fan. There is a temp sensor in the lower radiator hose that controls the electric fan. This issue doesn't happen if engine is warm. The ELECTRIC FAN as it relates to the E46 originates ONLY in manual transmission cars (except M3) from 1998 to 2006. Often a bad lower rad hose outlet coolant temp sensor (CTS) can cause erratic fan operation. May 2, 2023 · In this guide, we’ll cover some of the most common BMW E46 cooling system problems as well as how to fix them. Jul 2, 2012 · I believe it's also recovering a signal from the ambient temperature sensor. If you're a renter with a ceiling fan in your pad, or you just never thought about which way the thing was turning, the Simple Dollar says you should check to make sure it's runnin. BMW-North E46 Electric Fan Guide. This kit includes a high performance Mishimoto Radiator for significantly better cooling than the stock radiator and full aluminum construction that won't crack from long term heat cycling, and a Genuine BMW Motorsport 55*C thermostat, for lower temperature operation and increased cooling of the engine. (automatic transmission) In the summer w/ ambient around 85F or so, my coolant temps typically run at 86-95C at operating temp with fairly hard driving (even without the mechanical fan in place); temps actually decrease with hard driving where my temps are more in the lower 90's to high 80's under hard driving. May 2, 2023 · In this guide, we’ll cover some of the most common BMW E46 cooling system problems as well as how to fix them. It will typically develop a hairline crack anywhere from 60-95k miles (give or take a few). My advice to you is to add a mod for the coolant temperature gauge so that you do not miss the momen the temperature suddenly starts to rise. Diagram fan wiring 330xi controller mishimoto bmw explosion spal needed install help electric wires 335d sensor x82 temperature sample e46 Bmw auxiliary r3vlimited undertale M3 s54 e46fanatics s14 e30 boosted Bmw E46 Cooling Fan Wiring Diagram - Wiring Diagram and Schematic. Nov 28, 2023 · I added coolant - enough to bring the level up between max and min - and said a prayer. The heat is hot and all seems to be working. My radiator fan won't turn on, tried the search function but all that came back was people whose fans wouldnt turn off. Apr 21, 2011 · Turn the ignition on but do not start the engine. Air temperature decreases as altitude increases. INPA is a BMW diagnostic tool - you might not have that but it's the best for delving into fan issues. Find out more about air conditioning cooling load. The older cars that use a throttle cable have a temp switch on the side of the radiator that controls power to a 3 speed fan. Nov 28, 2023 · I added coolant - enough to bring the level up between max and min - and said a prayer. Whichever value is greater (demanding the most fan. Jul 2, 2012 · I believe it's also recovering a signal from the ambient temperature sensor. It is longer at colder temperature (outside/engine). Sent from BimmerApp mobile app Feb 21, 2014 · Either your coolant temp sensor or wiring to the coolant temp sensor is faulty. The failures: How, why, and when do the failures typically occur? Plastics. Feb 13, 2022 · The engine-cooling fan helps to maintain constant engine temperature, drawing air past the radiator cooling fins which, in turn, cool the engine coolant. 2002 e46 radiator fan will not stop running. safari can Outlet temperature drop: 37°F. When revving into gears, like 4k and over I notice the temp would drop to as low as 84 Celsius. If I place 12v directly to the fan, should the fan work? Thanks guys. Overheating at Idle. New fan (electric), new cooling system, new cap, new expansion tank, 50/50 + water wetter If you had a tool that could read the radiator outlet temperature this could probably lead to some clues at to what may be going on E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc Screen 1 - Select E46 (F3 in my version) and then Engine - Choose your specific Engine (I MS43 etc. When the ambient temp showed 122f the fan would come on normaly. I would be happy if I were you, because even 96-98 C is too high and negatively affects the plastic under the hood and rubber seals. They both have the same electric motor, controller, CFM, DME control, etc. Turn on heater, set to highest temp and lowest fan speed. If your temperature gauge does go into the red zone, immediately shut off the car and have it towed. Last time we cold started it in about -7 degree celcius and it took a few minutes to get warm and we started driving and the temperature. #1 · Jan 29, 2022 (Edited) 2003 330 Ci, manual. This sensor measures the temperature of coolant leaving the radiator, and is used to determine when the electric cooling fan should come on (if fitted). The pusher and puller fans are essentially identical. Thanks in advance for any advice you can offer. It is designed to replace the OEM radiator for the BMW E46 M3. In my case the pressure that the sensor was reading was 35bars which is over 500psi The load and cooling requirements of the automatic were deemed higher. So after i bought the car i realized the electric cooling fan is bypassed, and my aircon not working, however after I diagnosed my aircon i figured the aircon wont kick in as the the cooling fan was directly connected to ignition so it comes on when ignition is switch on. Key Features Direct fit for the 2001-2006 BMW E46 M3 Fully brazed aluminum core with TIG-welded end tanks Fits perfectly with stock clutch fan or Mishimoto electric fan shroud Precision designed CNC-machined quick-disconnect fittings mate perfectly with stock hoses Track-tested design 318i E46 1998 major overheating issue e46 overheating Jump to Latest Follow 29K views 15 replies 7 participants last post by iminixjonz May 10, 2022 D Dayton_e46 Discussion starter 13 posts · Joined 2012 #1 · Jul 2, 2012 (Edited) Hi I have a major overheating problem with my e46 318i 1998 (m43). I'll use this incidence as an excuse to overhaul the entire cooling system with the Bavarian autosport cooling overhaul kit, but it doesn't include the cooling fan. So you mean, outlet temp close to engine temp? The radiator fan helps to cool down your engine during low speed. more COOLING SYSTEM GUIDE. A possible air pocket in the cooling system, proper coolant system bleeding can resolve this. Food falls within the dan. solarmovies.win Since adding coolant, I've noticed several issues: Temp gauge is 1-2mm to the right of TDC once the car warms up (see dash pic) - on my most recent trip, the coolant temp range was 94-96C. Replacing coolant temp sensor Jump to Latest 4K views 24 replies 5 participants last post by HerbP Dec 19, 2023 D Dover Discussion starter 73 posts · Joined 2016 #1 · Jun 10, 2023 Hi folks. The failures: How, why, and when do the failures typically occur? Plastics. Why install the Z4 fan? There isn't an E46 electric fan that has the proper cooling capability for the automatic E46. A car's radiator performs an indispensible function, helping the engine to maintain its proper temperature by forcing coolant through the engine and the rest of the cooling system A car's radiator performs an indispensible function, helping the engine to maintain its proper temperature by forcing coolant through the engine and the rest of the cooling system It turns out the most important decision made was not the vote to choose (and remove) in the election but Twitter’s permanent banning of the former president from the social networ. It didn't react to restarting the car, turning off the AC, reseating the connector. It is not a single logic gate. INPA is a BMW diagnostic tool - you might not have that but it's the best for delving into fan issues. Nov 20, 2022 · I would be happy if I were you, because even 96-98 C is too high and negatively affects the plastic under the hood and rubber seals. Do you know how to fix a wobbly ceiling fan? Find out how to fix a wobbly ceiling fan in this article from HowStuffWorks. The older cars that use a throttle cable have a temp switch on the side of the radiator that controls power to a 3 speed fan. Made me watch my temps. This test only tells you that the fan motor works. In this guide, we’ll cover some of the most common BMW E46 cooling system problems as well as how to fix them. morgan ashley khq leaving Mine was faulty showing -40f when it got wet and was keeping the cooling fan from coming on. BMW On my daughters old e46 the clutch fan saved her engine when the e-fan failed. Fuse box diagram (location and assignment of electrical fuses and relays) for BMW 3-Series E46 (316i, 318i, 318d, 320i, 320d, 323i, 325i, 328i, 330i, 330d). Slowly pour coolant into the expansion tank until coolant runs out of the bleed screw hole. Most likely your temp sensor (in the lower hose) is defective. This test only tells you that the fan motor works. There are many components in the BMW E46 cooling system: Radiator and coolant overflow tank; Belt driven coolant pump bolted to the front of the engine block; Electric cooling fan attached to rear of radiator -- the cooling fan is controlled by the engine control module (ECM) via an output final stage The inputs the computer uses to decide how fast to spin the fan are: Radiator outlet temperature Catalyst temperature (calculated temperature) Vehicle speed Battery voltage A/C pressure (calculated pressure). May 2, 2023 · In this guide, we’ll cover some of the most common BMW E46 cooling system problems as well as how to fix them. Bmw e46 318i 1999 - Answered by a verified AU Auto Mechanic Product SKU: 213110060. There is an electrical grounding problem somewhere in the vehicle. in the lower radiator hose u will see a sensor i believe this reads the coolant temp and tells fan to cut in--this may be faulty? My 2003 325i is running hot according to the On Board Temp gauge. Just to clarify, it is not an aux fan relay (AFR). E46 Heating Fan Whirring Noise Jump to Latest 31K views 14 replies 10 participants last post by gordo325xiwagon Dec 23, 2019 M Miffo Discussion starter 3 posts · Joined 2005 #1 · Mar 29, 2006 Hello, Thermostat and proper operating temp Jump to Latest Follow 4K views 16 replies 11 participants last post by grafiksguy Nov 12, 2008 G grafiksguy Discussion starter 1189 posts · Joined 2007 #1 · Oct 22, 2008 I'm finishing up an M54 into an E36 swap and because I'm retaining the stock fan control I need a radiator outlet temp sensor signal for the DME. The pusher fan is there primarily for the AC, while. Water Cooled Air Conditioner uses water to remove heat from the refrigerant instead of air as in the case of air cooled air conditioner. I believe turning on the A/C should override the lower temp sender and the aux fan should come on regardless of coolant temp. A. Looks like for the 4 cylinder engines, the two biggest overheating problems are bad cooling system bleeding and radiator mounted electric fan issues. 1999 E46 328i Bone stock 5-speed: Beater and Track Car 275K!!!!! Save Share. 722 posts · Joined 2013 The coolant will still dissipate heat without the fan. There is an electrical grounding problem somewhere in the vehicle. Mine was faulty showing -40f when it got wet and was keeping the cooling fan from coming on.