# Service bulletin B111716

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: 10146528
- Published by NHTSA: 2018\-11\-05
- Manufacturer's number: B111716
- Manufacturer's date: 2017\-02\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

## NHTSA's summary

?VOLUNTARY EMISSIONS RECALL CAMPAIGN 16E\-A05 \- N26 ENGINE: REPLACE TURBOCHARGER OIL SUPPLY LINE . Carbonization of the turbocharger sealing ring can cause the exhaust to smoke briefly during cold start up.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10146528-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10146528-0001.pdf)

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

## Components

Engine, Turbocharger or supercharger

## Vehicles listed

- 2013 to 2017 BMW 320I
- 2014 to 2017 BMW 328D
- 2012 to 2016 BMW 328I
- 2016 to 2017 BMW 330E
- 2017 BMW 330I
- 2012 to 2016 BMW 335I
- 2016 to 2017 BMW 340I

## Other bulletins for the same vehicles and component

- [B111516](/bulletins/10153738.md), 2019-02-25, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. B58 ENGINE: OIL LEAK FROM TURBOCHARGER. Engine oil \(1\) can be seen leaking from the bottom of the turbocharger near the band clamp \(2\). The turbocharger band clamp is loose.
- [B111615](/bulletins/10151072.md), 2018-12-10, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. February 2016 Engine Technical Service This Service Information Bulletin supersedes SI B11 16 15 dated September 2015 SUBJECT N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10\-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. CAUSE When the vehicle is parked overnight the engine oil pressure will equalize and may leak past the turbo charger exhaust side turbine seal.

JSON: [/v1/bulletins/10146528](/v1/bulletins/10146528)

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