Service bulletin 640115

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)
Type	Service bulletin
NHTSA id	10147088
Published by NHTSA	2018-11-05
Manufacturer's number	640115
Manufacturer's date	2015-02-01
NHTSA component	VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

SI B64 01 15February 2015 Heating and Air Conditioning Technical Service This Service Information bulletin supersedes SI B64 01 15 dated January 2015. designates changes to this revision SUBJECT Whirring/Buzzing Noise Coming from Heating and Air Conditioning System. The customer may complain of a whirring/buzzing noise coming from the heating and air conditioning and/or the instrument cluster. Vibrations from the air conditioning low-pressure line

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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
BMW 328D	2014, 2015

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
B510819	2024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
B640613	2021-02-01. Service bulletin. ?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up.
B612315	2020-12-21. Service bulletin. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch.
B612315	2019-12-16. Service bulletin. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full : The low washer fluid warning is illuminated even though the washer fluid reservoir is full. There are no faults stored in the system for the washer fluid level switch. A non-approved washer fluid was used that is silicone-based. Silicone-based fluids are not compatible with the contactless capacitive level sensor. Fluids that contain a silicone additive are normally colored other than blue.
B512519	2019-09-23. Service bulletin. GROANING NOISE WHEN OPENING/CLOSING FRONT WINDOWS. A groaning noise can be heard from the front door(s) when opening or closing the power windows.
B640613	2019-09-23. Service bulletin. A/C COOLING: INTERMITTENT REDUCTION OF AIR FLOW This Service Information Bulletin (Revision 9) supersedes SI B64 06 13 dated June 2017. Customer may complain of reduced air flow when the air conditioning system is operated for an extended time usually longer than 30 minutes. The evaporator starts to freeze up due to the position of the evaporator temperature sensor.
B610819	2019-07-22. Service bulletin. Service Information June 2019 General Electrical Systems B61 08 19 Technical Service WINDSHIELD WIPERS SWITCH ON BY THEMSELVES. The windshield wipers switch on by themselves and can no longer be switched off despite activation of the switch. An internal software error in the SZL (steering column switch cluster).
B612315	2019-05-20. Service bulletin. The Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full This Service Information bulletin supersedes SI B61 23 15 dated April 2016.
B612315	2019-05-20. Service bulletin. The Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full This Service Information bulletin supersedes SI B61 23 15 dated April 2016.
B511216	2018-12-10. Service bulletin. Passenger Side Mirror Dimming Feature Operational Change. INFORMATION The automatically dimming exterior mirror function on the passenger's side has been deleted from the Option Code 430 as noted above. The automatic dimming function will continue to be operational on the driver's side mirror and rear view mirror.