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there are a few kinds of BH that help cars start from extreme cold weather,0 q: h0 T% Y# ?( f [3 u4 t7 A; F5 ]
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, and keep the engine block warm.; t0 s/ w5 c' g3 W5 k* X
Either way, the engine shall not be frozen with use of BH.
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If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
, Q9 q1 B; y: v1 p* F- uA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
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