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there are a few kinds of BH that help cars start from extreme cold weather,& a6 q0 m! I2 n) ]* a
basically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant/radiator, and keep the engine block warm.
5 ]& T5 {7 f/ U: \" f" _' j h8 dEither way, the engine shall not be frozen with use of BH.
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* I" L& T. X. w: M! hIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.5 x( Q0 A1 y0 L
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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if you have BH or SO, but ur car still could not be started up, and you have not checked/replaced your battary before the winter came, I bet the battary is dead. |
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