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Service bulletin B652615

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10151201
Published by NHTSA2018-12-10
Manufacturer's numberB652615
Manufacturer's date2016-03-01
NHTSA componentEQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

Hissing Noise from Speakers when Radio Volume is Turned Down. There is an audible hissing noise from the speakers when there is no active audio source. This noise is most apparent with the engine and climate system fan turned off. Software in the HK HiFi amplifier.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
BMW 228I2014, 2015, 2016
BMW 230I2017
BMW I32014, 2015, 2016, 2017
BMW I82014, 2015, 2016, 2017
BMW M235I2014, 2015, 2016
BMW M240I2017
BMW X1 SAV2016 to 2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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