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Service bulletin B160918

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 id10149486
Published by NHTSA2018-11-26
Manufacturer's numberB160918
Manufacturer's date2018-10-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

SCR SYSTEM FAULT 805256 STORED IN VERY COLD WEATHER. After the vehicle is exposed to prolonged temperatures under -9°C (15.8°F) and is then driven a long distance when temperatures are above -9°C (15.8°F), the check engine light may be illuminated. The following fault may be stored in the Digital Diesel Electronics (DDE) 805256 - Active tank filling level sensor, signal: echo fault In low temperature under -9°C (15.8°F) a layer of ice may form in the active tank. This can result in an incorrect level measurement after the vehicle is driven.

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

Vehicles listed
BMW 328D2014, 2015, 2016, 2017
BMW 535D2014, 2015, 2016
BMW X52014, 2015, 2016, 2017

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
20217112021-11-19. Engine
20185872018-10-26. Engine
18V7550002018-10-25. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

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
b0111252026-09-28. Warranty extension. The Exhaust Gas Recirculation (EGR) Cooler (with EGR Valve) and the Auxiliary Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery date.
B0101222026-02-02. Service bulletin. N63TU1 CLASS ACTION SETTLEMENT SVC CAMPAIGN: OIL CONSUMPTION DIAGNOSIS/REPAIR
B0111252025-09-06. Warranty extension. The Exhaust Gas Recirculation (EGR) Cooler (with EGR Valve) and the Auxiliary Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery date.
B0101252025-09-06. Warranty extension. The Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery date.
B0105202025-09-05. Warranty extension. N47/N57 DIESEL ENGINE EGR COOLER REVISED EXT LTD WTY(ELW) COVERAGE/PROCEDURE
B0110182025-09-03. Warranty extension. The N57T diesel engine’s Auxiliary Exhaust Gas Recirculation (EGR) Cooler’s component-specific extended limited warranty (ELW) now includes more Model vehicles.
B0111252025-08-13. Warranty extension. The Exhaust Gas Recirculation (EGR) Cooler (with EGR Valve) and the Auxiliary Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery date.
B0110252025-08-13. Warranty extension. The electric auxiliary heater assembly limited warranty for defects in materials and / or workmanship has been extended to 10 years / 120,000 miles as determined from the original first in-service / delivery date
B0101252025-08-12. Warranty extension. The Exhaust Gas Recirculation (EGR) Cooler limited warranty for defects in materials and / or workmanship has been extended to 25 years without mileage limit as determined from the original first in-service / delivery date.
B0611252025-03-03. Other. Fan Housing With Fan Return