e46 electric fan smoke box The main issue I had was verifying proper rotation of the new motor. Did some testing with a 12vdc power adapter and all is good. Old fan was loud and spun at a slow rpm. New fan should keep the ECU compartment nice . Find opening & closing hours for Varo Sheet Metal Design Works in 1317 Lawrence Dr, Newbury Park, CA, 91320 and check other details as well, such as: map, phone number, website.Varney #350 HO Scale New Haven Steel Side Metal Box Car Kit. Condition is New. Shipped with USPS Priority Mail. from
0 · e46 radiator electric fan troubleshooting
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2 · e46 electric fan troubleshooting
3 · 27a0 controll e box fan
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After some research I found out the e-box (electronic box) has a fan/blower that is attached to the same fuse. I took it out and discovered that it was indeed the fan that failed which was causing the fuse to blow. A . The main issue I had was verifying proper rotation of the new motor. Did some testing with a 12vdc power adapter and all is good. Old fan was loud and spun at a slow rpm. New fan should keep the ECU compartment nice .My car consistently pulls a lingering Error code 143 regarding the E-box blower fan. Seems the code isn't that the fan failed but may be having unexpected current and could be on its way . I tried to force activate the fan with a scan tool but it wont turn on. If i un plug the fan it reads 0v at the signal wire. I tried testing continuity between fuse 37 in the glove box and .
Make sure you bleed it properly. Pour in the coolant very gently (a stream the size of a pencil) and don't run the engine but use the secondary water pump by turning on the ignition and setting . the purpose of this conversion is to remove the mechanical fan (engine driven) and the electric aux fan in front of the radiator, and replace them with the single electric fan used .
Trying to figure out which wires on fan harness are for high and which are for low setting or how to check. High/low as in two settings based on engine coolant temp. The stock . some E46 non M3 cars came with just an electric puller fan, and the Z4 M came with a pretty big electric puller fan, so it can be done. But, depending on the location, running .
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If it is oil that is burning causing the smoke, then the smoke would be blueish, moreso than white. It could be a gasket, but if it is then it would most likely keep on smoking . After some research I found out the e-box (electronic box) has a fan/blower that is attached to the same fuse. I took it out and discovered that it was indeed the fan that failed which was causing the fuse to blow. A temporary remedy was to disconnect the fan and the CCU will function properly. The automatic has an electric fan on the grill side of the radiator plus a mechanic belt driven fan on the front of the motor. The one on the grill side should be nearly identical in troubleshooting to the electric fan on the manual. The fan is controlled by the computer (DME). This is a VERY easy, CHEAP (relatively costs nothing) and does not require any drilling or modding your lovely E46. The guide is intended to get your fan running again MANUALLY by hardwiring the fan to a switch so you can turn it on or off MANUALLY.
The main issue I had was verifying proper rotation of the new motor. Did some testing with a 12vdc power adapter and all is good. Old fan was loud and spun at a slow rpm. New fan should keep the ECU compartment nice and cool.My car consistently pulls a lingering Error code 143 regarding the E-box blower fan. Seems the code isn't that the fan failed but may be having unexpected current and could be on its way out? Read around and others have said the sign of failure is a chirping sound. I tried to force activate the fan with a scan tool but it wont turn on. If i un plug the fan it reads 0v at the signal wire. I tried testing continuity between fuse 37 in the glove box and the stripped back part of the signal wire and at the plug but it reads incomplete. Turn on the AC to force the radiator fan to actuate. A scantool that can read BMW codes will show a fan activation error code 2EFE if the fan is being commanded to turn on but isn't. A general OBD2 code reader most likely won't. If the fan is inoperable, it's much more likely that the fan has failed, rather than the ECU.
According to the dealer my E-box Fan is not working. I bought the Fan and ready to install. Which fan are you referring to - the electric fan at the front of the engine? I want to apologize for this lengthy reply before I even begin.
- Take your electric fan and slide it against the radiator and screw in the torx screw - Plug the electric fan to the connector where the aux fan was plugged into - Place back the control unit and the other wiring to the electric fan shroud Viola, you're done. I will make a DIY video later.
Make sure you bleed it properly. Pour in the coolant very gently (a stream the size of a pencil) and don't run the engine but use the secondary water pump by turning on the ignition and setting the heater temp to high and the fan to low. Install the bleeder screw when a solid stream of coolant comes out of the bleeding hole. After some research I found out the e-box (electronic box) has a fan/blower that is attached to the same fuse. I took it out and discovered that it was indeed the fan that failed which was causing the fuse to blow. A temporary remedy was to disconnect the fan and the CCU will function properly. The automatic has an electric fan on the grill side of the radiator plus a mechanic belt driven fan on the front of the motor. The one on the grill side should be nearly identical in troubleshooting to the electric fan on the manual. The fan is controlled by the computer (DME). This is a VERY easy, CHEAP (relatively costs nothing) and does not require any drilling or modding your lovely E46. The guide is intended to get your fan running again MANUALLY by hardwiring the fan to a switch so you can turn it on or off MANUALLY.
The main issue I had was verifying proper rotation of the new motor. Did some testing with a 12vdc power adapter and all is good. Old fan was loud and spun at a slow rpm. New fan should keep the ECU compartment nice and cool.
My car consistently pulls a lingering Error code 143 regarding the E-box blower fan. Seems the code isn't that the fan failed but may be having unexpected current and could be on its way out? Read around and others have said the sign of failure is a chirping sound. I tried to force activate the fan with a scan tool but it wont turn on. If i un plug the fan it reads 0v at the signal wire. I tried testing continuity between fuse 37 in the glove box and the stripped back part of the signal wire and at the plug but it reads incomplete. Turn on the AC to force the radiator fan to actuate. A scantool that can read BMW codes will show a fan activation error code 2EFE if the fan is being commanded to turn on but isn't. A general OBD2 code reader most likely won't. If the fan is inoperable, it's much more likely that the fan has failed, rather than the ECU.
According to the dealer my E-box Fan is not working. I bought the Fan and ready to install. Which fan are you referring to - the electric fan at the front of the engine? I want to apologize for this lengthy reply before I even begin.
- Take your electric fan and slide it against the radiator and screw in the torx screw - Plug the electric fan to the connector where the aux fan was plugged into - Place back the control unit and the other wiring to the electric fan shroud Viola, you're done. I will make a DIY video later.
e46 radiator electric fan troubleshooting
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e46 electric fan smoke box|e46 radiator electric fan troubleshooting