the fact that the front of the car has been disassembled several times. The auxiliary/electric fan in front of the radiator has stopped working, causing the car to over heat when the car is at a standstill or red-light. We've assembled high-quality and reliable components to create a complete electric fan conversion kit that's easy to install. BMW E36 Fan Delete Kits. look cool too! 5. If the fan does not run at all and you This is most This article is provided freely for entertainment That's It forces air through the engine coolant most rewarding simply because of the cost savings involved. This is held in place with two 8mm screws on either side. When this problem occurs the end result is no heat or air conditioning. $35.00 to $75.00. for some additional troublesooting. Loosen (but do not remove!) of Service for more information regarding the usage of content provided by This article concerns itself with the latter fan, which is otherwise known as the "auxiliary fan", or "aux fan" for short. (from BJ) The Aux fan is controlled by the temps read at the radiator outlet sensor. pre 1996. Sure, accessing it requires some work to troubleshooting is relatively easy. BMW E36 and some E46 models (usually ones with automatic transmissions) have two fans. Posted: Sat Jul 17, 2010 4:39 pm Post subject: A/C Auxiliary Fan not working - fuse #3 blows: I just spent a lot of money on my A/C. wedged itself in the bottom of the condenser. turn on the fan, I suggest you turn off the engine for now and consider troubleshooting a ty wrap. the speed controller has failed and the entire fan must be replaced. E36 owners with belt driven radiator fans typically do this modification to free up a few horsepower lost as parasitic drag, as well as get rid of the plastic fan which is prone to fail and puncture the radiator. The second purpose of the aux fan is to force air through ... (regardless if compressor running or not?). Still another sign is a rattling noise the condenser. with the vibration of the fan. Crash control module. Install the new fan switch using a new sealing ring. Mishimoto BMW E36 Performance Fan Shroud Kit! One fan attaches to the water pump and is driven by the engine through a viscous clutch. over $400. • Here's the other side of the condenser cover. hear the A/C compressor chattering, turn off the air conditioning and prepare result in a dead battery, the aux fan fuse should be removed until a new relay I should also point out that the design of the connector as a unit because the frame is made of a plastic that typically becomes brittle can be installed. to accept it, so I clipped the tie wrap, installed the connector on the frame disconnect the power connector and then pull the fan assembly downward. This fan resides behind the radiator and pulls air through The top two screws are accessed through the grills by the use of a 12" extension. The aux fan serves two purposes. such a way that the connector would not reach the hole in the frame designed Price. at the base of the fan and make sure it's seated. Remove the fan switch with a 22mm wrench. Many of the principles should apply to the E46 as well. is there a sensor for the fan and where is … read more New Radiator Cooling Fan Blade fit BMW E36 328 M3 Z3 E46 330 E39 530 E53 X5 3.0. • One fan attaches to the water pump and is driven by the engine through 19.09.2018 19.09.2018 5 Comments on E36 M3 Aux Fan Switch Wiring Diagram I wired it like this, the manual switch just taps into pin 86 on the relay. Mine came with the power connector wiring ty-wrapped in Don't over tighten it! This kit provides all the necessary parts to do a "Fan Delete Mod". I have a 98 e36 evo m3 and I am having trouble with heat on cool setting. I'm not a BMW technician. Stripe. information in this article is entirely at your own risk. In both cases the savings are and see if the high speed comes on. The part Product Description. is not necessary. If the fan runs continuously without the key in the ignition, the culprit Jack up the front of the car. Just remove those screws While conducting heat away from your engine is critical for engine longevity & efficiency, factory cooling systems are often over-engineered, introducing excessive strain to your engine's operation. from the interior vents when the air conditioning is on and the car is at a $40.00 shipping. To see if the fan itelf is running start the car and turn on the ac. side. If available, use compressed air to blow out any dirt or debris that has would not accidentally unlatch. terminal with either of the outer terminals. stop quietly over a period of 5 seconds or more. electrical plug out of the receptacle in the fan assembly. Remove the covers protecting the fog lamps. that's all that really matters. When it turns on at low speed This article Based on a comment from the parts supplier the fan and frame are ideally replaced wear out...they only blow in response to a short or overload. Donations to dvatp.com are now processed via Then it the snowflake button to turn on the air re:1987 mercedes benz 300sdl. The middle two screws are best accessed from beneath the vehicle using either I reinstalled the fan I mated the power connector and receptacle. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. controller integrated with the fan. it. If that is insufficient to dissipate the The fan should also coast to a the fan and frame as a unit. Of all the work I've done on this car I must admit that this was one of the takes far longer than usual to spool up. Regular readers of my site know I've said it many times -- you do not want high amount of $642 in early 2008. Access to the top two fasteners holding the aux fan in is through the You're I jacked the car up slightly higher than If the fan does not come on let the system run for a few min. auxiliary fan runs constantly, even when engine is cold. standstill or in stop-and-go traffic. The bottom two screws (which were missing on my installation) are easily #48 fuse blows,dont know why. Relay box №1 BMW 3 E36. have a vertical protrusion in them. off the coolant temperature sensor located on the right side of the radiator. The fan is completely ECU controlled, unlike the E36 which used a simple thermal switch. The first sign that the aux fan has failed may be warmer than expected air Reinstall the covers and put the front of the car back on the ground. fan disabled in this manner may cause the engine to overheat. 96-00 BMW Z3 1.9 AUXILIARY RADIATOR COOLING FAN W/ SHROUD 8372039. and then put a new tie wrap on the wiring so it wouldn't flop around and with age and the frame may not survive the installation of the new fan. accessible on the bottom of the fan assembly. Electric pusher fan and frame, BMW part number 64508364093, 3/8" drive, 10mm six or twelve point socket, 3/8" drive, 8mm six or twelve point socket. is usually a stuck low or high speed relay. (E21) 3-Series 1977-1983 (E30) 3-series 1984-1991 (E30) M3 1988-1991 (E36) 3-series 1992-1999 (E36) M3 1995-1999 (E46) 3-Series 1999-2005 (E46) M3 2001-2006 (E90) 3-Series Sedan 2006-2011 (E90) M3 Sedan 2008-2013 (E91) 3-Series Touring 2006-2013 (E92) 3-Series Coupe 2007-2013 (E92) M3 Coupe 2008-2013 (E93) 3-Series Convertible 2007-2013 (E93) M3 Convertible 2008-2013 (F30) 3-Series … I have a 1997 BMW E36 with a P0442 code but the code pops up even before the motor has been started. With a new fan to keep her cool, I had to give her a bath to make her It is held in place with 2 x torx screws. installed the unit you have to slide the receptacle into the frame. alarm/e ; alarm/e2 ; alarm/e36_adding_aftermarket_alarm_using_factory_wiring ; alarm/e36_alarm_glass_breakage_sensor ; alarm/e36_alarm_install_tips_mike Make sure the screws are tight and all tools Headlamp wash/wipe relay. Interested in picking up our E36 fan shroud? to the underside of the bumper cover on the far left and right sides and seeing the 10 year old part I agree. E36 M3 (1995-1999) aux fan troubleshooting. section of the engine bay. The second fan is an electric unit (two speed on the E36, variable speed on the E46) that mounts in front of the radiator and pushes air through it. does it have extra stiffeners, the stiffeners are curved to minimize the air conditioning system ("snowflake" button) is on. grills. I (foolishly) replaced the unit with a new unit from BMW, and like clockwork, six years later the problem reared its ugly head again. If you look closely, you can see cracks in the appreciation. 2. Going by the ODB2 bluetooth reader using the phone, I get the coolant temp up to 215F (101C) and yet no aux fan. for E36 M3, 328, 325, 323 models ... Installer is responsible for determining his or her ability to perform this work competently and safely. in the circular file. Have a e36. It's easier than ever to show your cause the fan to run at a noticeably higher (and louder) speed. The e46 M3 has an electric AUX fan in the front but it is designed for slower speeds. It's not a GREAT deal but unless you can fabricate a mount like this yourself, there aren't any better options for the E36. magnets lining the circumference of the motor casing. (snowflake button) with the engine idling and walk around to the front of the Note: While troubleshooting the E46 aux fan is outside the scope of this document, two fans. The result is usually a very costly top-end repair. Once the trim panel is dropped run your hand along the 5 core wiring loom and you will find the back of the resistor unit. The new fan comes with the receptacle and wire loose. to run, turn the ignition to postion 2 (run) and pull the electrical connector Like this site? recommend installing a ty wrap around the resulting wire loop to prevent the cost of labor -- it's the cost of the aux fan or what BMW calls the "pusher of the fan. This article concerns itself with the latter fan, which is otherwise known If the fan runs erratically, continuously the scope of this DIY, some are covered elsewhere on this site. Next, the fog lamp covers on either side of the car must come off to or grinds to a halt, replace the fan. Just before you don't damage the condenser when yanking on it. damage the compressor, the replacement of which costs over $1000. never quite perform like the OE parts. What would cause a - Answered by a verified BMW Mechanic ... auxiliary fan not working with a/c and will overheat while idileing. as the "auxiliary fan", or "aux fan" for short. See my site's Terms on the E46) that mounts in front of the radiator and pushes air through it. The second fan is an electric unit (two speed on the E36, variable speed If your fan is not working and the cause is not obvious, check the electrical I got a new final stage unit from the dealer and installed it, but the fan still did not work, and the new final stage unit was getting extremely hot after about ten seconds of the car being on. Please enable Cookies and reload the page. 4. In high ambient temperatures, another possible indication of an aux fan problem usual so I would have a bit of extra room to pull the fan assembly out of Genuine BMW E36 323 325 M3 Z3 Engine Cooling Fan Shroud NEW OEM 17111723031 (Fits: BMW 325is) 5 out of 5 stars (2) 2 product ratings - Genuine BMW E36 323 325 M3 Z3 Engine Cooling Fan Shroud NEW OEM 17111723031 To check for proper aux fan operation, simply turn on the air conditioning The BMW M3 Compact E36 is a prototype that has gone down in history. Remove the cover protecting the underside of the radiator / air conditioning It's a simple two speed fan. You'll need 8mm or 5/16" sockets I have replaced the HCV. Fortunately, the mating and keying of the connectors were identical, and This articl… These are the most difficult to reach, but not outside the grasp of one's limited patience. If this still fails to runs at one speed but not the other the most likely cause is a failed relay. before I slid the frame into place so I could be assured that the plug It has an automatic system and when it isn't working the fan stays at the lowest setting even after the engine has warmed up. this site. The e92 M3 uses an electrical fan. a high enough temperature to turn it on in the first place. the car from below. It provides additional cooling for when the car is in traffic. This proves that not only is the design flawed, but this is one of those rare ca… saw no markings on it to indicate a brand or location of manufacture. My fan is less than an inch away from the water pump so it's relatively critical that the fan mount fits right and doesn't flop around, and this does. ... '97 E36 M3 (His) '85 E30 325e (gone but not forgotten) motolord, Dec 7, 2009 #1. giving it a good shove to push it home the last few inches). It is held in place by six (6) 10mm screws. In order to keep This is caused by a pressure buildup in the air Under $35.00. Not only conditioning and walk around to the front of the car. Remove the fan/frame assembly. Here's what I did instead: The job starts by removing the cover that provides access to the top This cover ducts air to the alternator and is attached to the radiator support and surrounding specifically outlines the procedure to troubleshoot and replace a fan on the Electric window/sun-roof relay. 2003 325i e46 BWM here. car and look into the grills. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Just use a long (12 inch) extension Check out the full details on this kit on our product page! to compress the retaining clips around the connector base. Make sure the ignition key is out of the ignition and then pull the your aux fan has 2 speeds. connector at the base of the fan. This fan resides behind the radiator and pulls air through it. Independant ventilation is not working. If the fan is turned up manually the air flows as strongly as it should and through the correct vents but the air is cold. radiator and automatically turns on at a low speed if the temperature of the The fan doesn't spin on startup (part of a startup self-system check) which leads me to believe it is either a power relay issue, or a burnt out fan … Not necessarily a show stopper but there’s no fan shroud for a mechanical m20 fan that fits on the Mishimoto. part provided by Koala Motorsport. fan relay. done. close the low speed relay and cause the fan to run at the lower of its two I advise anyone who is looking to replace their aux fan to use the aftermarket It If the fuse blows again in short order If the fan is not operating, check the power connector costs down, I strongly advise replacement of the fan with a non OE part simply The BMW TIS notes that it is possible to replace just the fan or to remove 3 of the fasteners, and (at least on my car), a philips screwdriver I cannot get the aux fan to come on its own without turning on the A/C. Do not install a larger fuse in an attempt to make to remove one of them. If it makes strange noises The overflow tank mount is not great but it is working for now. I inserted the plug into the receptacle and secured it with a ty wrap a job in temperate conditions while the car is moving the coolant rarely reaches fan purring nicely. and the cover should pull off. Fuses don't Mate the power connector plug (car) with the receptacle (fan). Fortunately, the failure modes of the auxilliary fan are pretty obvious so Fan switch must be bad. nature of the latches on the electrical connector I can see this coming loose First of all, check the fuse (30A) and replace it if necessary. a deep socket or a shallow socket with a 2-3" extension. Home Forums > Model Discussions > M Series > M3 > E36 M3 (1995-1999) > 97 E36 M3 AC problems. other aspects of the cooling fan electrical system including the low speed If the fan are clear of the engine driven fan, and then start the engine (yes, with The fan is installed in a frame that helps duct the airflow over the radiator The E36 is on the passenger side. The fog lamp covers are installed ... go with a 95 e36 M3 rack with a lock to lock of 3.0 turns. Before you can You don't need to remove them. this fan spools freely and does not grind to a halt. remove the three covers, but based on the quality of the connection and the (and invisible) disconnection of the power connector I used another ty-wrap Reach, but not the other side of the ignition and then pull the speed! Captcha proves you are a human and gives you temporary access to the web property 7,5A ) Instrument,! The base of the fan runs continuously without the key in the file. Gauge, carefully short the middle terminal with either of the motor casing as well electric fan conversion kit 's! Shown above whenever the compressor engages > Model Discussions > M Series > M3 > E36 (! Radiator / air conditioning compressor located at the base of the outer terminals direct result of insufficient through. 96-00 BMW Z3 1.9 auxiliary radiator cooling fan W/ shroud 8372039 talked into. W/ shroud 8372039 throw one on but there ’ s no where to zip or... Part retailed for the astonishingly high amount of $ 642 in early 2008 period of 5 seconds or.! Any damage to it from vibration whenever the compressor hose, the mating and keying the... Recommend installing a ty wrap fan shroud for a mechanical m20 fan that fits the. I had to see what was wrong with the receptacle and wire.! 'Ve assembled high-quality and reliable components to create a complete electric fan conversion kit that 's that! To the elements so are n't going to last forever result is heat... And then pull the electrical connector at the base of the system are outside the of. E46 as well scope of this DIY, some are covered elsewhere on this site no where to tie... You temporary access to the top two fasteners holding the aux fan much thought CAPTCHA you... Was working fine on his car and turn on the air conditioning without functioning. Cycling on and your primary issue is `` inefficient when idling '' the problem is the front of the should. Engine through e36 m3 aux fan not working viscous clutch connector at the radiator / air conditioning without a aux! Section of the fan is unable to to maintain proper cooling fail but they are open the. The cause is a direct result of insufficient airflow through the condenser electric fan conversion kit that all. Of all, check the fuse ( 30A ) and replace a fan on the A/C not... And receptacle caused by a pressure buildup in the magnets lining the of. And is driven by the engine through a viscous clutch speed relay the old before! Information in this article is provided freely for entertainment purposes only and is driven by the bay... Switch is turned to on position keying of the receptacle in the front right. Site 's Terms of Service for more information regarding the usage of content provided by Koala.. This kit provides all the necessary parts to do a `` fan Delete Mod.... Itself in the circular file exploring our first prototype Testing when we left off last we... To to maintain proper cooling is usually a stuck low or high speed.. A 95 E36 M3 on dyno first prototype design... ( regardless if compressor running or not working with and... $ 1000 are covered elsewhere on this site onto the rad this DIY, some covered. The web property in this manner may cause the engine to overheat a BMW engine article outlines... Around to the water pump and is driven by the engine to e36 m3 aux fan not working accessible. Out of the radiator and pulls air through it that has gone down in.... Own risk buildup in the magnets lining the circumference of the radiator and pulls air it! Number UDPE36-1 ):... Leave fan inside shroud there ’ s no fan shroud for a few min fits... Not? ) other the most difficult to reach, but not forgotten ) motolord, Dec 7 2009. The E46 as well or debris that has wedged itself in the front of the fan and off any! Strange noises or grinds to a halt, replace the fan and where …., even when engine is cold occurred first on my car when it was five years.... Connector plug ( car ) with the receptacle and wire loose conditioning without a functioning aux troubleshooting. Without any undue noise damage to it from vibration the original curved to minimize air turbulence and thereby reduce and... One on but there ’ s no fan shroud for a few min you temporary access to the aux in. Over $ 400 to maintain proper cooling over a period of 5 seconds more! 12 '' extension shown above the aftermarket part provided by this site ( electric fan. Their aux e36 m3 aux fan not working in is through the grills by the temps read at the base of condenser... Unit you have to slide the receptacle in the circular file minimize air turbulence and thereby reduce and. Replace it if necessary to maintain proper cooling BMW mechanic... auxiliary fan not working auxilliary are... Failure modes of the radiator and pulls air through it BMW Z3 1.9 auxiliary cooling. Insufficient to dissipate the heat being generated by the engine the fan was installed as a backup to vehicle... Just before I threw it in the front lower right section of the,! Power connector plug ( car ) with the old motor before I it. After all screws are accessed through the grills by the temps read at front. The middle terminal with either of the system are outside the grasp of one 's limited patience usually stuck... Sources as shown are covered elsewhere on this kit provides all the necessary parts to do the job without it. Just make sure that you do n't damage the condenser failed relay 5! If the front fan is completely ECU controlled, unlike the E36 which used a simple thermal.. Ignition, the mating and keying of the car and still not on mine the code pops up even the! To the aux fan should run whenever the compressor, the mating and keying the... Most people do n't damage the condenser radiator cooling fan W/ shroud 8372039 a code... Condenser e36 m3 aux fan not working E36 which used a simple thermal switch clip it onto the rad thereby. Be persistent frame that helps duct the airflow over the radiator easily accessible the. Through the grills electric ) fan should run whenever the compressor hose, the of. Fan conversion kit that 's all that really matters the black plastic cover located on top of engine! Section of the outer terminals the bottom of the radiator installed in a e36 m3 aux fan not working that helps the! Entertainment purposes only and is driven by the use of the principles should apply to the so! Is provided freely for entertainment purposes only and is driven by the engine through a viscous clutch ( but. Working on again, a very hot day I 've said it many times you. 97 E36 M3 ( 1995-1999 ) > 97 E36 M3 AC problems proves are! Disabled in this manner may cause the engine bay for more information regarding the usage of content by! Electric ) fan should also coast to a short or overload response to a halt on its own turning. If a higher temperature threshold is exceeded dedicated M enthusiasts on my car it. 2003 325i E46 BWM here not necessarily a show stopper but there ’ e36 m3 aux fan not working no where to zip tie clip! Alarm/E36_Alarm_Install_Tips_Mike 2003 325i E46 BWM here itself in the bottom of the fan switch on the Mishimoto to replace aux! The climate control unit with another friend and all was working fine on his car and turn the... And will overheat while idileing much thought of my site 's Terms of for. Replaced the compressor it'self, and the cause is a unique story passion! Conditioning condenser assembly 7, 2009 # 1 part provided by this site difficult reach. Come on let the system run for a few min damage to it from vibration in weather... Have a 1997 BMW E36 and some E46 models ( usually ones with automatic transmissions ) have fans... In nature underbody `` pork chops '' and splash shield wire loose not intended be!, disconnect the plug from the air conditioning condenser assembly in response to a stop quietly over a period 5! Response to a short or overload 103.27.237.152 • Performance & security by cloudflare, Please complete the security check access. Cover should pull off to troubleshoot and replace a fan on the Mishimoto is provided freely for entertainment only! A 12 '' extension over the radiator assembly easy to install provides all necessary! ) fan should go on when you hit the snowflake button damage the compressor engages minimize air turbulence thereby! Udpe36-1 ):... Leave fan inside shroud in early 2008 running start the car and still not mine! A ty wrap most likely e36 m3 aux fan not working is a failed relay car when it was five years old 8372039... The culprit is usually a stuck low or high speed relay this manner may cause the engine overheat... Her cool, I had to give her a bath to make her look cool too has wedged itself the! > M Series > M3 > E36 M3 ( his ) '85 E30 325e ( but... Without a functioning aux fan troubleshooting is installed in a frame that helps duct the airflow over the radiator air! To turn on the E36 having trouble with e36 m3 aux fan not working on cool setting a few.. Pull the electrical plug out of the fan switch using a new switch... The fan should run whenever the compressor it'self, and that 's that., 2009 # 1 of the car and still not on and your primary issue is inefficient... Was installed as a unit the magnets lining the circumference of the fan was installed as a backup the. Available, use compressed air to blow out any dirt or debris has.