# Service campaign B170324

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 campaign
- NHTSA id: 11000498
- Published by NHTSA: 2024\-05\-29
- Manufacturer's number: B170324
- Manufacturer's date: 2024\-05\-16
- NHTSA component: ENGINE

## NHTSA's summary

Under certain driving situations, coolant leaks onto the fuel injectors on cylinder bank \(5\-8\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000498-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000498-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2018 to 2022 BMW M5
- 2020 to 2022 BMW M850I
- 2019 BMW M850XI

## Recalls for the same vehicles and component

- [19V513000](/recalls/nhtsa/19V513000.md), 2019-07-03: ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

## Other bulletins for the same vehicles and component

- [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.
- [B063525](/bulletins/11020074.md), 2025-07-02, Other: ENGINE. Engine Return
- [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
- [B170324](/bulletins/11002676.md), 2024-07-01, Service campaign: ENGINE. Under certain driving situations, coolant leaks onto the fuel injectors on cylinder bank \(5\-8\).
- [B170324](/bulletins/10253345.md), 2024-05-03, Service bulletin: ENGINE AND ENGINE COOLING. BMW AG has issued a Delivery Stop \(effective April 15, 2024\) on certain Model Year 2018 \- 2023 BMW vehicles that were produced between November 7, 2017, and September 9, 2022.
- [B170222](/bulletins/10225107.md), 2022-10-31, Service bulletin: ENGINE AND ENGINE COOLING. Coolant is leaking from under the car which is equipped with the S63 engine. A low coolant warning might also be displayed \(CC Message ID166\).
- [SIB090121](/bulletins/10215750.md), 2022-07-18, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. 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](/bulletins/10214989.md), 2022-07-05, Service bulletin: ENGINE AND ENGINE COOLING. 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](/bulletins/10214256.md), 2022-06-21, Service bulletin: ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 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.
- [B110521](/bulletins/10212784.md), 2022-05-31, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off the coolant pump and alternator.

JSON: [/v1/bulletins/11000498](/v1/bulletins/11000498)

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