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September 1, 2021 Service bulletin

BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil...

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
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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