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there are a few kinds of BH that help cars start from extreme cold weather,
3 x2 l4 C1 n; H; {: ubasically , 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.
) {7 r; V0 e1 I5 {( [" a/ tEither 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.4 M# s, {6 Q9 |# A! ^9 I& K9 s
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
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