Bmw E46 Radiator Fan Relay

Electric cooling fan attached to rear of radiator the cooling fan is controlled by the engine control module ecm via an output final stage.

Bmw e46 radiator fan relay.

There is no engine driven mechanical fan. Belt driven coolant pump bolted to the front of the engine block. 2003 bmw e46 air con cooling fan fault fixed. A broken wire on the air con cooling fan control unit stopping the air con system from working but allowing the.

Bmw e46 cooling system components include. Almost all modern vehicles rely upon electric cooling fans to pull air through the vehicle radiator to keep the engine cool. Most cooling fans use electric motors that have a moderate to high current draw and as a result are commonly controlled using relays. For the bmw 3 e46 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 model year.

When the correct parameters are met a temperature switch or. Radiator and coolant overflow tank. These cooling fans rely upon electric motor and they typically have a moderate to high slow draw which means that they are commonly controlled with a relay that relay controls the fans for the engine. The cooling fan relay is the relay that controls the engine s cooling fans.

On all bmw models up through the late 90s the auxiliary or main fan is controlled by one or two thermostatic switches that are mounted into the radiator side or bottom tanks. There are many components in the bmw e46 cooling system. Belt driven water pump bolted to the front of the engine block. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

Electric cooling fan attached to rear of radiator the cooling fan is controlled by the engine control module ecm via an output final stage.