Service bulletins for the 2011 BMW 135i
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.
113 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Heating and air conditioning are shown. Show all
| B650709 | 2018-12-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Whistling Noise Coming from the Center Vent - A/C is Off . A very high pitched whistling or beeping noise is heard coming from the center vents. The flow of refrigerant through the expansion valve at certain temperature differentials. |
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| 640313 | 2018-12-03. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. IHKA Control Panel Not Working. IHKA (Integrated Automatic Heating and Air Conditioning) panel does not work or light up. CAUSE Fuse blown or chaffed wire for rear trunk light |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.