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August 1, 2019 Service bulletin

Diagnosing noise from the rear exhaust flap (B58)

BMW technical service bulletin B180118 for 2012-2016 BMW 328I, 2017 BMW 330I and 2012-2017 BMW 335I and others.

Bulletin number
B180118
Component
Engine and engine cooling: exhaust system
Summary
DIAGNOSING NOISE FROM THE REAR EXHAUST FLAP (B58) This Service Information Bulletin (Revision #1) replaces SI B18 01 18 dated February 2018. Warranty Labor Operations changed. There is a rattling noise from the rear exhaust flap during initial start-up. The rattle could last up to sixty seconds.

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