As title says...my M42 runs hot, a needle width past the middle in normal driving/idle and with AC on in traffic it'll be halfway between the middle mark and the 3/4ths..the aux fan never kicks in which I'm currently taking care of now, but I'm curious when it SHOULD kick in in regards to the temperature gauge? Thanks.
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When should the aux fan kick in?
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1985 325e M50TU(Sold)
1991 318is Slicktop (Sold)
1990 325is Brilliantrot S50/5 Lug Swapped.
1992 525i Manual shitbox Winter Beater
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Originally posted by TimKninja View Post
Originally posted by vpilarrt View PostThe aux fan should come on whenever you turn on the AC, no matter what the engine temp is. I would check the whole aux fan circuit. Does the fan work if you apply 12V to it? Does it turn freely when off?Originally posted by TSI♫ Rust flecks are falling on my head...♫OEM+
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