# Service bulletin B511219

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: 11005449
- Published by NHTSA: 2024\-08\-02
- Manufacturer's number: B511219
- Manufacturer's date: 2024\-07\-29
- NHTSA component: ENGINE

## NHTSA's summary

A check control message or MIL \(Malfunction Indicator Lamp\) may be illuminated, with one or more of thefollowing faults stored: 138207 \- Active cooling damper control \(AKKS\), top: blockage at warm ambient temperature 21B043 \- Active cooling damper control \(AKKS\), top: blockage at all ambient temperatures 138222 \- Active cooling damper control \(AKKS\), above: positional deviation error detected at warm ambienttemperature 138209 \- Active cooling damper control \(AKKS\), top: Control deviation at all ambient temperatures 13822B \- Active cooling damper control \(AKKS\), top: Control deviation at all ambient temperatures 21B042 \- Active cooling damper control \(AKKS\), below: blockage at all ambient temperatures 138206 \- Active cooling damper control \(AKKS\), bottom, blockage at warm ambient temperature 138225\- Active air\-flap control, bottom: top limit position not detected 138224\- Active air\-flap control, bottom: bottom limit position not detected

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005449-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005449-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2024 BMW 330I
- 2024 BMW 840I
- 2024 BMW X5
- 2024 BMW X6
- 2024 BMW X7
- 2023 BMW Z4

## Recalls for the same vehicles and component

- [2026331](/recalls/tc/2026331.md), 2026-07-08: Engine
- [2026040](/recalls/tc/2026040.md), 2026-01-30: Engine

## 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
- [B010324](/bulletins/11032731.md), 2026-05-18, Warranty extension: ENGINE. The EVAP systems purge \(vent\) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in\-service date.
- [B010126](/bulletins/11032729.md), 2026-05-18, Warranty extension: ENGINE. The EVAP systems purge \(vent\) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in\-service / delivery date.
- [B061326](/bulletins/11029013.md), 2026-02-25, Other: ENGINE. Auxiliary Water Pump Return
- [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

JSON: [/v1/bulletins/11005449](/v1/bulletins/11005449)

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