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Service bulletin 640913

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 id10147951
Published by NHTSA2018-11-13
Manufacturer's number640913
Manufacturer's date2014-01-01
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY; ENGINE AND ENGINE COOLING

NHTSA's summary

Service Action: Program IHKA Control Unit. The control panel for the air conditioning (IHKA) may fail intermittently. CAUSE IHKA software error

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

Engine, Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
BMW Z42013, 2014

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

Recalls for the same vehicles and component
20244682024-08-13. Engine
24V6080002024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
SIM0107172022-07-05. Service bulletin. The engine?s intake charge-air duct limited warranty extension to 10 years/120,000 miles applies to ?eligible USspecification
SIB0107172022-07-05. Service bulletin. The engine coolant thermostat component-specific limited warranty extension to 10 years/120,000
SIB1103172021-12-13. Service bulletin. BMW of North America, LLC BMW NA is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
B1103172021-12-13. Service bulletin. For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date.
B1103172021-11-08. Service bulletin. BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
B0113212021-07-19. Service bulletin. CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v. BMW NA, et al
B0113212021-07-06. Service bulletin. CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v. BMW NA, et al
B5104152021-05-17. Service bulletin. The customer complains of rattling noises from the rear window when driving on rough roads.
B1602132021-05-17. Service bulletin. A manufacturing defect inside the electric fuel delivery unit (in-tank fuel pump) pressure-limiting valve will result in a noise while driving. This defect will not lead to fuel pump failure or loss of power.