1st Gear Member
Join Date: Nov 2010
Location: Naracoorte, South Australia
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Originally Posted by Truls KvÃ¥l Kristensen
i have a 03 330d with a bigger intercooler, so i have removed the aux fan, but when i installed the intercooler i managed to drill a hole in the ac condenser
but now i have ordered a new condencer and i was wondering if the fan is needed, i have no issues with engine temps now, but is the fan meant for the ac cooling or mostly engine? if so i have to find a new way to install it.
thanks for any answers! greetings from norway
If you are in slow traffic on a hot day (i suppose unlikely in Norway?) with no aux fan you may overheat, and if you do it will either be a blown head gasket or a cracked head. (with a petrol engine it is almost a given)
BMW's do not like overheating at all (speaking from experience with a 1989 e34 525I)
So the "auxiliary" fan is not just for the a/c but is an important part of the engine cooling system: therefore needed.
My daily is a Mitsubishi HSGR (but I wouldn't mind an e34 525i)
Last edited by Penngwyne; 08-21-2018 at 07:47 AM.