is usually a stuck low or high speed relay. Price. ... '97 E36 M3 (His) '85 E30 325e (gone but not forgotten) motolord, Dec 7, 2009 #1. condenser assembly. for E36 M3, 328, 325, 323 models ... Installer is responsible for determining his or her ability to perform this work competently and safely. The aux fan serves two purposes. 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. allow access to the fasteners holding the lower condenser cover to the Rest assured, to remove one of them. such a way that the connector would not reach the hole in the frame designed Remove underbody "pork chops" and splash shield. The fan is completely ECU controlled, unlike the E36 which used a simple thermal switch. recommend installing a ty wrap around the resulting wire loop to prevent This explains why I fastened it tightly with your aux fan has 2 speeds. Note: While troubleshooting the E46 aux fan is outside the scope of this document, Jack up the front of the car. The second fan is an electric unit (two speed on the E36, variable speed Product Description. have a vertical protrusion in them. It forces air through the engine coolant fire in a BMW smells like. This fan resides behind the radiator and pulls air through Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. I bought the Koala part at the time I performed this repair and that's all that really matters. 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. giving it a good shove to push it home the last few inches). The top two screws are accessed through the grills by the use of a 12" extension. section of the engine bay. The first sign that the aux fan has failed may be warmer than expected air progress for you. on the E46) that mounts in front of the radiator and pushes air through it. While troubleshooting these aspects of the system are outside from the interior vents when the air conditioning is on and the car is at a a deep socket or a shallow socket with a 2-3" extension. Just before 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. Have a e36. 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. Just remove those screws threshold is exceeded. Here's the other side of the condenser cover. If the fan runs continuously without the key in the ignition, the culprit any damage to it from vibration. It is held in place with 2 x torx screws. in the circular file. close the low speed relay and cause the fan to run at the lower of its two is not necessary. In both cases the savings are If your fan is not working and the cause is not obvious, check the electrical If the fan is not operating, check the power connector This is most The BMW TIS notes that it is possible to replace just the fan or 4. If the fan runs erratically, continuously Please enable Cookies and reload the page. You should notice your If the front fan is not on and your primary issue is "inefficient when idling" the problem is the front fan. It is held in place by six (6) 10mm screws. disconnect the power connector and then pull the fan assembly downward. with the vibration of the fan. With a new fan to keep her cool, I had to give her a bath to make her Not necessarily a show stopper but there’s no fan shroud for a mechanical m20 fan that fits on the Mishimoto. This is the left side. See my site's Terms 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 Prepare the fan. Like this site? it. stop quietly over a period of 5 seconds or more. saw no markings on it to indicate a brand or location of manufacture. to compress the retaining clips around the connector base. to pull the fan and frame assembly out of the car. Regular readers of my site know I've said it many times -- you do not want it work, even temporarily, or you will learn first hand what an electrical It The bottom two screws (which were missing on my installation) are easily The aux fan can fail but they are open to the elements so aren't going to last forever. This problem occurred first on my car when it was five years old. Disconnect the plug from the fan switch on the passenger side of the radiator. Just use a long (12 inch) extension What follows is a unique story of passion, two very special BMW M cars and two extraordinarily dedicated M enthusiasts. 1. This article (and invisible) disconnection of the power connector I used another ty-wrap The new fan is installed and fits like a glove (well, that is after most rewarding simply because of the cost savings involved. Mine came with the power connector wiring ty-wrapped in the car from below. never quite perform like the OE parts. Parts included for M3 and 325 (UUC part number UDPE36-1): ... Leave fan inside shroud. Headlamp/wind screen cleaning control module. $17.77. usual so I would have a bit of extra room to pull the fan assembly out of Heater relay. Running the air conditioning without a functioning aux fan can One fan attaches to the water pump and is driven by the engine through One of the outer terminals will appreciation. high amount of $642 in early 2008. Interested in picking up our E36 fan shroud? alarm/e ; alarm/e2 ; alarm/e36_adding_aftermarket_alarm_using_factory_wiring ; alarm/e36_alarm_glass_breakage_sensor ; alarm/e36_alarm_install_tips_mike may not want to come out at first, but be persistent. Since this condition will quickly Fortunately, the failure modes of the auxilliary fan are pretty obvious so The body electronics of a BMW are generally reliable but the HVAC controller has one weak spot in its design that results in the controller randomly turning on and off. the speed controller has failed and the entire fan must be replaced. But Luxembourg-based BMW M fan Frank Kohn didn’t want to just read about it and never get to actually drive his dream car on the road. If this still fails to This part retailed for the astonishingly car and look into the grills. 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. BMW E36 Fan Delete Kits. side. two fans. To prevent accidental fan disabled in this manner may cause the engine to overheat. are clear of the engine driven fan, and then start the engine (yes, with radiator and automatically turns on at a low speed if the temperature of the done. runs at one speed but not the other the most likely cause is a failed relay. Remove the fan/frame assembly. likely to occur in this context if the fan's bearings are shot and the fan On 9/95+ cars using the #440 fan switch, you have to cut off the plastic tab … Performance & security by Cloudflare, Please complete the security check to access. at the base of the fan and make sure it's seated. It's a simple two speed fan. This article is provided freely for entertainment The BMW M3 Compact E36 is a prototype that has gone down in history. was not identical to the OE with respect to how it mounted on the frame. does it have extra stiffeners, the stiffeners are curved to minimize E36 M3 (1995-1999) aux fan troubleshooting. to run, turn the ignition to postion 2 (run) and pull the electrical connector Crash control module. conditioning and walk around to the front of the car. E36. If the fan does not run at all and you Fuses don't Based on my experience this Mishimoto BMW E36 Performance Fan Shroud Kit! (snowflake button) with the engine idling and walk around to the front of the Before you can It's easier than ever to show your This is BMW parts item 100.17.536.0001, described as E36 Electric Fan Conversion Kit for 1992, 1993, 1994 and 1995 E36 325i, 325is and M3 3.0, which you can buy online at BimmerWorld at the best price. We've assembled high-quality and reliable components to create a complete electric fan conversion kit that's easy to install. Do not install a larger fuse in an attempt to make electrical plug out of the receptacle in the fan assembly. The e46 M3 has a mechanical fan on the waterpump shaft. 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. before I slid the frame into place so I could be assured that the plug I reinstalled the fan I mated the power connector and receptacle. the car still jacked up). to the underside of the bumper cover on the far left and right sides and The middle two screws are best accessed from beneath the vehicle using either This kit provides all the necessary parts to do a "Fan Delete Mod". as the "auxiliary fan", or "aux fan" for short. result in a dead battery, the aux fan fuse should be removed until a new relay most difficult to reach, but not outside the grasp of one's limited patience. Most people don't give the aux fan much thought. can be installed. a viscous clutch. cycling on and off without any undue noise. and then put a new tie wrap on the wiring so it wouldn't flop around and wedged itself in the bottom of the condenser. terminal with either of the outer terminals. as shown. conditioning system that is a direct result of insufficient airflow through the plug's retaining clips did not mate as well with the receptacle due to 3. a ty wrap. deterioration of the plastic on the 10 year old plug. If the fuse is in good shape or it's been replaced and the fan still refuses The fog lamp covers are installed This is held in place with two 8mm screws on either side. specifically outlines the procedure to troubleshoot and replace a fan on the Of all the work I've done on this car I must admit that this was one of the look cool too! I should also point out that the design of the connector I inserted the plug into the receptacle and secured it with a ty wrap or Best Offer ... For parts or not working. The overflow tank mount is not great but it is working for now. the air conditioning system ("snowflake" button) is on. The fan was installed as a backup to the aux fan and a replacement for. troubleshooting is relatively easy. it's practically inaudible, and as long as the engine driven fan is doing half controller integrated with the fan. The e46 M3 has an electric AUX fan in the front but it is designed for slower speeds. Once those screws are removed, the cover is removed by pulling down and aft, wear out...they only blow in response to a short or overload. part provided by Koala Motorsport. Under $35.00. 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. the scope of this DIY, some are covered elsewhere on this site. this fan spools freely and does not grind to a halt. I have a 1997 BMW E36 with a P0442 code but the code pops up even before the motor has been started. 2003 325i e46 BWM here. This article concerns itself with the latter fan, which is otherwise known as the "auxiliary fan", or "aux fan" for short. 3 sold. 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. assembly. a pair of channel lock pliers to fully seat the connector, but noticed that and see if the high speed comes on. coming from the air conditioning compressor located at the front lower right Changed the climate control unit with another friend and all was working fine on his car and still not on mine. • Remove the black plastic cover located on top of the radiator. Install the new fan switch using a new sealing ring. If it makes strange noises I advise anyone who is looking to replace their aux fan to use the aftermarket I have a 98 e36 evo m3 and I am having trouble with heat on cool setting. area by four screws and two plastic fasteners on the far left and right side. 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. standstill or in stop-and-go traffic. for some additional troublesooting. to overheat a BMW engine. Mate the power connector plug (car) with the receptacle (fan). 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 … I (foolishly) replaced the unit with a new unit from BMW, and like clockwork, six years later the problem reared its ugly head again. a high enough temperature to turn it on in the first place. This unit is a traditional aluminum fan … The part 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. is a rise in the coolant temperature needle beyond the usual 12 o'clock position. coolant rises above a certain level. to do the job without removing it. Don't over tighten it! When this problem occurs the end result is no heat or air conditioning. Next, the fog lamp covers on either side of the car must come off to BMW E36 and some E46 models (usually ones with automatic transmissions) have The second purpose of the aux fan is to force air through The E36 is on the passenger side. Independant ventilation is not working. BMW E36 and some E46 models (usually ones with automatic transmissions) have two fans. If the fuse blows again in short order I used Replacement of the E36 auxiliary fan requires the following: BMW charges a bunch of money for this repair, but for once the reason is not #48 fuse blows,dont know why. Fortunately this part may be obtained Access to the top two fasteners holding the aux fan in is through the That's Remove the cover protecting the underside of the radiator / air conditioning costs down, I strongly advise replacement of the fan with a non OE part simply heat being generated by the engine the fan speed increases if a higher temperature After 3 days the A/C is not working on again, a very hot day. a job in temperate conditions while the car is moving the coolant rarely reaches auxiliary fan runs constantly, even when engine is cold. 2. over $400. because this is not a finely tuned proprietary suspension component that will remove the three covers, but based on the quality of the connection and the Many of the principles should apply to the E46 as well. Remove the fan switch with a 22mm wrench. and the cover should pull off. 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. grills. 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