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December 1, 2019 Service bulletin

Engine does not start below freezing temperatures

BMW technical service bulletin B120319 for 2012-2016 BMW 328I, 2018-2020 BMW X3 and 2019-2020 BMW Z4 and others.

Bulletin number
B120319
Component
Electrical system
Summary
ENGINE DOES NOT START BELOW FREEZING TEMPERATURES: Engine designation correction Parts availability Warranty. The engine will not start at temperatures below freezing. The starter does not turn and engage.

Owners of these vehicles have filed 618 complaints in the electrical category.

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