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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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Old 10-03-2011, 08:12 PM
JacobSkipper85 JacobSkipper85 is offline
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Location: Charleston, SC
Join Date: Apr 2010
Posts: 1
Mein Auto: 99 328i
E46 A/C not cold at idle.

I've read through some older post on here about people having the same issue. Unfortunately those were all for 5 series. Im about to replace the Aux fan and from reading what people are posting about the 5 series there is also a Aux fan switch that plugs into the lower radiator hose. Does anyone know if this is true for the E46? My cause is a 5 speed so all I have is the electric Aux fan.
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Old 10-04-2011, 08:47 AM
holsteiner holsteiner is offline
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Location: germany
Join Date: Nov 2010
Posts: 1
Mein Auto: bmw
Replace the aux fan which includes the electronics. The switch you mentioned is not relevant to A/C.
many greets from Germany,
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