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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 07-25-2015, 09:48 AM   #1
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Join Date: Feb 2015
Location: Scotland
Posts: 11
My Ride: 330i sport
is a 318i electric rad fan the same as a 330i rad fan ?

Trying to find out if the 318i electric rad fan is the same fan as the 330i fan and
is it interchangeable
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Old 07-25-2015, 03:34 PM   #2
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Join Date: Jan 2006
Location: Cyprus
Posts: 6,241
My Ride: ESS TS2 320ci
Are you talking about the fan between radiator and engine? If so, yes, they are interchangeable. However, check the number of wires first, I believe some E46 came with 4-wire fan, and the rest with 3-wire. Although I have never seen a 4-wire fan, when I was looking for a replacement for my 320, several wreckers asked me if I had a 3-wire or 4-wire. So just to have it in mind.


Turner Motorsport currently has some Behr units that are actually made in Germany, if going new, don't bother with anything else (Behr is now merged with Hella and made in China).

Last edited by paraklas; 07-25-2015 at 03:40 PM.
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Old 07-26-2015, 06:49 AM   #3
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Join Date: Oct 2012
Location: UK
Posts: 45
My Ride: 325ti / 320cd indv
I think they are identical, just check the part numbers on realoem.com. (I am running a 318 fan on my 330)
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