5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
I would like to know how the auxiliary heater can be operated. It is located behind front left hand wheel arch,supplied with desiel from fuel tank and coolant hoses connected to it ,with exhaust exiting on under side of car on left hand side.
As far as I know, the heater comes on for the first few minutes, automatically, when the outdoor temperature is low, and the cabin heat settings are normal or high. I am trying to disable mine, as I find the heater ruins economy on short trips, and is not needed on long trips.
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