Service bulletin B121316
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 | 10151305 |
| Published by NHTSA | 2018-12-10 |
| Manufacturer's number | B121316 |
| Manufacturer's date | 2016-05-01 |
| NHTSA component | ENGINE AND ENGINE COOLING; ENGINE |
NHTSA's summary
N63R Map Thermostat Faults. The Service Engine Soon light is on with one or more of the following fault codes: 1D2009 - characteristic map thermostat: clamped closed 10921B - characteristic map thermostat, stroke sensor: short circuit to ground 1D2008 - characteristic map thermostat: clamped open 1D2401 - characteristic map thermostat, actuation: short circuit to B+ 10921A - characteristic map thermostat, stroke sensor: short circuit to B+ 1FB201 - Check Control message (ID 257): Engine too hot! Drive gently 1FB301 - Check Control message (ID 39): Engine overheated. Stop carefully 1D2404 - characteristic map thermostat, actuation: line disconnection 1D2402 - characteristic map thermostat, actuation: short circuit to ground In severe cases there may be no communication with the DME (MASTER DME - control unit description file DME8FF_R) Coolant is leaking past the map thermostat electrical connector.
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
| BMW 750LI | 2016 |
|---|---|
| BMW M760I | 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B011219 | 2023-07-24. Service bulletin. Radiator Grille Upper and Lower Active Air Flaps limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date. |
|---|---|
| B260422 | 2023-05-01. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. |
| B260422 | 2023-03-20. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature. |
| B110417 | 2023-03-20. Service bulletin. The coolant lines routed to the exhaust turbochargers may develop an external coolant leak. |
| B260422 | 2023-01-30. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32F (0C) or lower. |
| B170617 | 2023-01-30. Service bulletin. Coolant leaking from the engine compartment. Traces of coolant leaking from the expansion tank of the low temperature cooling system. |
| SIB090121 | 2022-07-18. Service bulletin. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. The new ISTA Version is also able to be used in case of a Remote Software Upgrade (RSU) programming failure to get the customer car reprogrammed on site. In case of a Remote Software Upgrade failure, the engine start is prevented for safety reasons until the vehicle is programmed correctly. Most of the errors occur when only one control unit fails to program correctly. |
| SIB640222 | 2022-07-05. Service bulletin. Mist formation on the windshield inside surface may occur at departure or after MSA (automaticstart/stop). Acoustic abnormality in the area of the recirculated air flap (recirculation flap closing and opening severaltimes). The above may occur individually or in combination. |
| B170121 | 2022-06-21. Service bulletin. The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine. |
| B662419 | 2022-01-24. Service bulletin. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. |