# Service bulletin SI B11 08 15

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: 10076477
- Published by NHTSA: 2016\-07\-14
- Manufacturer's number: SI B11 08 15
- Manufacturer's date: 2016\-03\-01
- NHTSA component: ENGINE

## NHTSA's summary

N63 and S63 Engine: Valve Seal Replacement Refer to the following applicable SIBs before replacing the valve seals. • SI B11 07 11 \- Turbocharger Failure: Oil Supply and Return Line Blockage and Proper Repairs • SI B11 07 12 \- N63 Engine: Oil Consumption and/or Rough Running Complaints • SI B11 01 13 \- N63 Engine: Engine Oil Consumption, Engine Oil Top\-ups and Refill Capacity • SI B11 03 13 \- Engine Oil Consumption \(all models\) If the valve seals are leaking, one of the following will help determine if the seals should be replaced. • Smoke from the tailpipe when starting or aggressively accelerating and decelerating the engine • Excessive engine oil consumption • Spark plugs fouled with engine oil

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- BMW BMW

JSON: [/v1/bulletins/10076477](/v1/bulletins/10076477)

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