Yes, at least once a week turn on your heater, for just two or three minutes. By doing that, you circulate coolant through all parts of the system, and keep it from clogging up.

If you happen to not read this issue until December, turn on the air conditioning for three to five minutes each week. That will keep all parts of your (very expensive) air conditioning system lubricated.

Heater in This Weather? Yes!
by Harmon Fischer
The Cajun Courier
September 1997
Bayou Chapter BMW CCA

Author: Stephen R. Holman