# Service bulletin B370115

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: 10151313
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: B370115
- Manufacturer's date: 2016\-05\-01
- NHTSA component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

## NHTSA's summary

Service Action: Replace Left Rear Air Spring. Torsional stress can cause the threaded fabric of the left air spring bellow to rupture and lose its airtightness. If the air spring is not airtight, the vehicle will lean on one side.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10151313-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10151313-0001.pdf)

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

## Components

Suspension, Air suspension

## Vehicles listed

- 2013 to 2017 BMW 535I
- 2010 to 2012 BMW 535I GRAN TURISMO
- 2013 to 2017 BMW 550I
- 2010 to 2012 BMW 550I GRAN TURISMO

## Other bulletins for the same vehicles and component

- [B370115](/bulletins/10157983.md), 2019-04-08, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:LINES AND FITTINGS. Service Action: Replace Left Rear Air Spring. Torsional stress can cause the threaded fabric of the left air spring bellow to rupture and lose its airtightness. If the air spring is not airtight, the vehicle will lean on one side.
- [B370115](/bulletins/10156210.md), 2019-04-01, Service bulletin: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:LINES AND FITTINGS. Service Action: Replace Left Rear Air Spring. Torsional stress can cause the threaded fabric of the left air spring bellow to rupture and lose its airtightness. If the air spring is not airtight, the vehicle will lean on one side.

JSON: [/v1/bulletins/10151313](/v1/bulletins/10151313)

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