# Service bulletin SIB640521

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.

- Type: Service bulletin
- NHTSA id: 10218378
- Published by NHTSA: 2022\-08\-22
- Manufacturer's number: SIB640521
- Manufacturer's date: 2022\-06\-01
- NHTSA component: EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

## NHTSA's summary

A rattling/droning noise is heard in the vehicle interior when the air conditioning \(AC\) is activated. Vibrations are felt in the driver's footwell.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10218378-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10218378-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories, Cooling system

## Vehicles listed

- 1999 to 2000 BMW 330I
- 2001 to 2006 BMW 330I
- 2007 to 2011 BMW 330I
- 2017 to 2022 BMW 330I
- 2019 BMW M340I
- 2020 to 2023 BMW M340I

## Recalls for the same vehicles and component

- [02V138000](/recalls/nhtsa/02V138000.md), 2002-05-16: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
- [01V206000](/recalls/nhtsa/01V206000.md), 2001-06-21: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

## Other bulletins for the same vehicles and component

- [SIB\-12\-12\-08](/bulletins/10028525.md), 2009-05-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. BMW: SERVICE ENGINE LAMP IS ILLUMINATED. DME FC 2A15 MINOR LEAK AND 2A16 SUPERFINE LEAK IN EVAPORATION SYSTEM. TANK VENTILATION CORRUGATED HOSE MAY CONTACT THE LOW SIDE AIR CONDITIONING PRESSURE LINE ALUMINUM FERREL. THIS CONTACT MAY CAUSE A SMALL LEAK. \*PE

JSON: [/v1/bulletins/10218378](/v1/bulletins/10218378)

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