I originally posted this in another thread but thought it might be more useful on it's own.
The good: ZERO fabbing/trimming/modding, you're using BMW parts.
The bad: it takes up as much or more of your bay as the mech. fan.
For starters, unplug your existing aux. fan from it's connector at the LH side of the radiator. Also unplug and remove the fan temperature switch at the upper RH side of the radiator. Install the new e36 temp. switch and plug the connector back in.
Remove your mechanical fan and shroud and put them somewhere else, but save the plastic fasteners that hold the shroud to the radiator.
Then with the e36 e-fan:
1. Unscrew the hold down nut on the fan blade and remove the blade from the motor, don't loose the spacer.
2. Unbolt the motor from the plastic shroud assembly and remove the motor, don't loose the spacers.
3. Move the motor to the inside of the shroud and use the same hardware to reattach it to the plastic shroud.
4. Reattach the fan blade to the motor shaft using the same hardware.
5. Install the assembly onto the radiator using the existing hooks and plastic snaps that used to hold your plastic mechanical fan shroud there.
6. Plug the fan motor connector into the aux. fan connector at the LH side of the radiator.
Now moving to the fuse box, pull and replace fuse #3 with a 40 amp fuse. Pull and replace fuse #18 with a 40 amp fuse.
You're done.
Part #'s are
61318361787 (2 stage electric fan switch) $25
64508372039 (e36 primary elect. fan assy) $275 German, $110 Valeo brand, "not German".
The good: ZERO fabbing/trimming/modding, you're using BMW parts.
The bad: it takes up as much or more of your bay as the mech. fan.
For starters, unplug your existing aux. fan from it's connector at the LH side of the radiator. Also unplug and remove the fan temperature switch at the upper RH side of the radiator. Install the new e36 temp. switch and plug the connector back in.
Remove your mechanical fan and shroud and put them somewhere else, but save the plastic fasteners that hold the shroud to the radiator.
Then with the e36 e-fan:
1. Unscrew the hold down nut on the fan blade and remove the blade from the motor, don't loose the spacer.
2. Unbolt the motor from the plastic shroud assembly and remove the motor, don't loose the spacers.
3. Move the motor to the inside of the shroud and use the same hardware to reattach it to the plastic shroud.
4. Reattach the fan blade to the motor shaft using the same hardware.
5. Install the assembly onto the radiator using the existing hooks and plastic snaps that used to hold your plastic mechanical fan shroud there.
6. Plug the fan motor connector into the aux. fan connector at the LH side of the radiator.
Now moving to the fuse box, pull and replace fuse #3 with a 40 amp fuse. Pull and replace fuse #18 with a 40 amp fuse.
You're done.
Part #'s are
61318361787 (2 stage electric fan switch) $25
64508372039 (e36 primary elect. fan assy) $275 German, $110 Valeo brand, "not German".
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