For the bmw 3 e46 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 model year.
E46 m3 aux fan relay.
In addition the aux fan controller mount optional allows you to retain the stock controller to run the fan on auto as an oem style would.
If the fan runs erratically continuously with the key removed from the ignition or not at all and the fuse is good the speed controller has.
Fuse box diagram location and assignment of electrical fuses and relays for bmw 3 series e46 316i 318i 318d 320i 320d 323i 325i 328i 330i 330d.
1 k6300 sky blue relay dme 2 k6325 ultra sky blue relay reversing light auto only or k6318 smg pump m3 w smg only salmon 3 k6326 unloader relay salmon or white green or k6327 fuel injector relay 4 k11 front windshield wiper relay green brown.
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