At very low outside temperatures, the blow-by line (crankcase ventilation) may ice up.
BMW technical service bulletin B120716 for 2016-2017 BMW 330E.
- Bulletin number
- B120716
- Component
- Engine and engine cooling
- Summary
- At very low outside temperatures, the blow-by line (crankcase ventilation) may ice up.
Owners of these vehicles have filed 5 complaints in the engine category.
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