# Service campaign B170424

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 campaign
- NHTSA id: 11000499
- Published by NHTSA: 2024\-05\-29
- Manufacturer's number: B170424
- Manufacturer's date: 2024\-05\-04
- NHTSA component: ENGINE

## NHTSA's summary

DELIVERY STOP: COOLANT LINE

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000499-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000499-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2024 BMW X5

## Other bulletins for the same vehicles and component

- [B121126](/bulletins/11037505.md), 2026-09-28, Service bulletin: ENGINE. Potential customer complaints with no fault codes stored / No MIL displayed. 1. “Rough idle after idling for a longer period of time” 2. “Vehicle feels like it is misfiring at idle” The automatic Start/Stop function is deactivated. The vehicle is stopped and the engine runs at idle speed. After prolonged idle operation \(approximately 30 to 50 seconds\), a slight jolt or slight change in idlespeed may be noticeable. There are no relevant errors in the DME fault code memory. No mixture control error, no misfiring, no error relating to a relevant component of the drive system. Motor vehicles affected: 1. Only MHEVs \(mild hybrid electric vehicle\) with crankshaft\-driven starter generator. 2. Only vehicles with optional equipment 01CE = recuperation system 3. Affected I\-levels: I\-level 24\-07\-500 or higher
- [B064426](/bulletins/11036436.md), 2026-08-28, Other: ENGINE. Air Flap Return
- [B064126](/bulletins/11036432.md), 2026-08-28, Other: ENGINE. Fan Return
- [B120326](/bulletins/11035396.md), 2026-07-31, Emissions: ENGINE. Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes \(DTCs\) and the MIL \(warning light\) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
- [B120626](/bulletins/11033035.md), 2026-06-01, Service campaign: ENGINE. DELIVERY STOP: VARIABLE VALVE TIMING
- [B110425](/bulletins/11027758.md), 2026-01-23, Service campaign: ENGINE. Due to an assembly error the upper oil pan screws may not have been torqued correctly.
- [B120224](/bulletins/11024709.md), 2025-11-03, Emissions: ENGINE. RSU availability. VOLUNTARY EMISSIONS RECALL 24E\-A02: VALVETRONIC
- [B110625](/bulletins/11021816.md), 2025-08-13, Service campaign: ENGINE. Due to an assembly error, the oil pump screws may not have been torqued correctly.
- [B120725](/bulletins/11018724.md), 2025-05-31, Service bulletin: ELECTRICAL SYSTEM; ENGINE. A quality check revealed that the DME in these vehicles has a programming error. This results in a deviation of the fuel\-air mixture in the internal combustion engine.
- [B120525](/bulletins/11018723.md), 2025-05-31, Service campaign: ELECTRICAL SYSTEM; ENGINE. Moisture may enter the start generator supply line and cause corrosion inside the line.

JSON: [/v1/bulletins/11000499](/v1/bulletins/11000499)

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