# Service bulletin B171017

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: 10136717
- Published by NHTSA: 2018\-05\-14
- Manufacturer's number: B171017
- Manufacturer's date: 2017\-12\-01
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

SERVICE ACTION: CHECK COOLANT FREEZING PROTECTION LEVEL: The coolant freeze point protection may be too low \(coolant will freeze sooner than specified\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10136717-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10136717-0001.pdf)

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

## Components

Engine

## Vehicles listed

- 2017 BMW 230I
- 2017 BMW M240I

## Other bulletins for the same vehicles and component

- [B010224](/bulletins/11032730.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.
- [B010419](/bulletins/11008102.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, from the original 10 years/120,000 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. Vehicles that are registered in California or a State that has fully adopted the State of California PZEV\(SULEV\) emission regulation \(State of registration, model, and model year dependent\), the emission\-relevant coverage for this component is 15 years/150,000 miles.
- [B010224](/bulletins/11000578.md), 2024-05-31, Warranty extension: ENGINE. EVAP SYSTEM PURGE \(VENT\) VALVE EXT LTD WTY \(ELW\) 15/150
- [B011423](/bulletins/10245365.md), 2023-12-06, Service bulletin: ENGINE AND ENGINE COOLING. PRESSURE CONTROL VALVE \(PCV\) EXTENDED LTD WTY 15 YEARS/150,000 MILES
- [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.
- [B170121](/bulletins/10212788.md), 2022-05-31, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 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.
- [B110120](/bulletins/10200228.md), 2021-08-09, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. On rare occasions during an engine oil service, the BMW Original \(Genuine\) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing.
- [B110321](/bulletins/10199292.md), 2021-07-19, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available.
- [B121318](/bulletins/10188938.md), 2021-03-15, Service bulletin: ENGINE AND ENGINE COOLING. COMBUSTION CONTROL VALVE LIFT AT IDLE: The vehicle will run rough or hesitate when accelerating from a stationary position.
- [B130420](/bulletins/10176363.md), 2020-06-15, Service bulletin: ENGINE AND ENGINE COOLING. TANK VENTILATION AND MIXTURE CONTROL FAULTS STORED IN THE DME: The Engine Malfunction Warning is illuminated and one or more of the following faults are stored in the DME. All models: FC 191C02 \- Fuel tank ventilation system 2nd discharge point: malfunction FC 195014 \- Differential pressure sensor tank vent valve signal: fixed FC 118001 \- Mixture control: mixture too lean FC 118401 \- Mixture control: mixture too lean large deviation I01 only: FC 124103 \- Mixture control: mixture too lean FC 124101 \- Mixture control: Mixture lean large deviation CAUSE Internal mechanical defect in the tank ventilation valve. The defect can also result in a very loud clicking noise when the valve is cycling.

JSON: [/v1/bulletins/10136717](/v1/bulletins/10136717)

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