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October 1, 2021 Service bulletin

For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty...

BMW technical service bulletin B110317 for 2012-2016 BMW 328I, 2013-2017 BMW X3 and 2012-2016 BMW Z4 and others.

Bulletin number
B110317
Component
Engine and engine cooling
Summary
For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date.

Owners of these vehicles have filed 1,171 complaints in the engine category.

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