# Service bulletin B111918

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: 10172488
- Published by NHTSA: 2020\-03\-16
- Manufacturer's number: B111918
- Manufacturer's date: 2020\-02\-01
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

DELIVERY STOP: N63R AND N63M ENGINE \- CHECK HIGH TEMPERATURE COOLANT SYSTEM FOR CONTAMINATION. The engine oil to coolant heat exchanger may have an internal leak resulting in engine oil contamination of the high temperature cooling system.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172488-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172488-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2018 to 2019 BMW 750I
- 2016 to 2019 BMW 750LI
- 2018 to 2020 BMW B7 ALPINA
- 2017 BMW M550I
- 2018 to 2020 BMW M550I
- 2019 to 2020 BMW X5

## Recalls for the same vehicles and component

- [2025514](/recalls/tc/2025514.md), 2025-09-25: Engine
- [24V576000](/recalls/nhtsa/24V576000.md), 2024-08-01: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [19V513000](/recalls/nhtsa/19V513000.md), 2019-07-03: ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

## Other bulletins for the same vehicles and component

- [B110426](/bulletins/11035500.md), 2026-08-03, Service bulletin: ENGINE; ELECTRICAL SYSTEM. The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
- [B011524](/bulletins/11035499.md), 2026-08-03, Warranty extension: ENGINE. The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the vehicles original in\-service / first delivery date.
- [B010324](/bulletins/11035497.md), 2026-08-03, Warranty extension: ENGINE. The EVAP systems purge \(vent\) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in\-service / delivery date.
- [B010324](/bulletins/11032731.md), 2026-05-18, Warranty extension: ENGINE. The EVAP systems purge \(vent\) valve 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.
- [B011724](/bulletins/11024203.md), 2025-10-09, Warranty extension: ENGINE. The Fuel Injector Condition\-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the engine’s center fuel injector bore area that resulted after this location was periodically contaminated by engine coolant residue over time. This special program’s coverage is 15 years / 150,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B062525](/bulletins/11016470.md), 2025-04-04, Other: ENGINE. Bearing Shell Return
- [B011624](/bulletins/11012075.md), 2024-12-31, Warranty extension: ENGINE. the NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the vehicles original in\-service / first delivery date.
- [B010821](/bulletins/11012066.md), 2024-12-31, Warranty extension: ENGINE. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in\-service date
- [B010121](/bulletins/11010768.md), 2024-11-25, Warranty extension: ENGINE. For this vehicle, the engine coolant thermostat 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.
- [B010324](/bulletins/11008101.md), 2024-09-29, Warranty extension: ENGINE. For this vehicle, the EVAP systems purge \(vent\) valve 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. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that apply to the BMW New Vehicle Limited Warranty.

JSON: [/v1/bulletins/10172488](/v1/bulletins/10172488)

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