# Service bulletin MC110124

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: 11000581
- Published by NHTSA: 2024\-05\-31
- Manufacturer's number: MC110124
- Manufacturer's date: 2024\-05\-25
- NHTSA component: ENGINE

## NHTSA's summary

Coolant residue found on the oil sump. And/or Coolant level in the expansion tank is too low. It has been found that the oil/coolant pumps are often replaced without there being an actual leak. Due to the design these pumps can drip in small quantities.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000581-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000581-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2023 BMW M 1000 R
- 2022 BMW M 1000 RR
- 2023 BMW S 1000 R
- 2023 BMW S 1000 RR
- 2023 BMW S 1000 XR

## Recalls for the same vehicles and component

- [2024705](/recalls/tc/2024705.md), 2024-11-19: Engine

## Other bulletins for the same vehicles and component

- [MCAS5425](/bulletins/11021130.md), 2025-08-01, Other: ENGINE. Exhaust Camshaft Adjuster Switch Cam
- [MC110322](/bulletins/10242927.md), 2023-10-01, Service bulletin: ENGINE AND ENGINE COOLING. During the production of the intake camshaft there was a change in the coolant used to prevent localized overheating of parts of the camshaft. Because of this, certain parts of the camshaft may have a changed surface hardness that can result in increased wear of the rocker arms and camshaft over time.

JSON: [/v1/bulletins/11000581](/v1/bulletins/11000581)

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