# Service campaign B280224

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: 11012087
- Published by NHTSA: 2024\-12\-31
- Manufacturer's number: B280224
- Manufacturer's date: 2024\-12\-20
- Campaign id or software version: 0028240100
- NHTSA component: POWER TRAIN

## NHTSA's summary

Micro\-movements combined with frictional corrosion can increase wear on the longitudinal splined connection between the double clutch transmission \(DCT\) and the transfer box.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11012087-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11012087-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2023 to 2024 BMW X1
- 2023 to 2024 BMW X2

## Other bulletins for the same vehicles and component

- [B280125](/bulletins/11027985.md), 2026-02-02, Service bulletin: POWER TRAIN. SITUATION A Check Control message \(CCM\) displays for “Transmission oil service required” \(ID 2120\). This warning will typically trigger based on one of the following that applies: From 60,000 miles \(\~95,000 km\) to 78,000 miles \(\~125,000 km\), or After six \(6\) years: The “six years” time interval is determined the production date of the vehicle. It is not based on the day/date of the first registration, or the completion date of the pre\-delivery check \(PDI\). If the vehicle is driven more than approx. 1900 miles \(\~3,000 km\) after the first CCM, then a secondmessage will be display for “Transmission fault\!” \(ID 368\). Note: If this service appears to have prematurely displayed as due, please follow standard technical reporting procedures before proceeding.
- [B063125](/bulletins/11018832.md), 2025-06-02, Other: POWER TRAIN. Inspection and Return \- Output Drive Repair Kit
- [B280123](/bulletins/11015855.md), 2025-03-24, Service bulletin: POWER TRAIN. Check control message \(790\) “Emergency gearbox release activated” is displayed immediately after starting the engine. This applies only to U11 equipped with the 7\-speed M\-DCT transmission.
- [B280125](/bulletins/11014433.md), 2025-02-24, Service bulletin: POWER TRAIN. A Check Control message \(CCM\) displays for “Transmission oil service required” \(ID 2120\). This warning will trigger based on the following that applies: From 60,000 miles \(\~95,000 km\) to 78,000 miles \(\~125,000 km\), or After six \(6\) years: The “six years” time interval is determined the production date of the vehicle. It is notbased on the day/date of the first registration, or the completion date of the pre\-delivery check \(PDI\). If the vehicle is driven more than approx. 1900 miles \(\~3,000 km\) after the first CCM, then a secondmessage will be display for “Transmission fault\!” \(ID 368\).
- [B068524](/bulletins/11012324.md), 2025-01-04, Other: POWER TRAIN. Gear Box Return
- [B280224](/bulletins/11010758.md), 2024-11-25, Service campaign: POWER TRAIN. Micro\-movements combined with frictional corrosion can increase wear on the longitudinal splinedconnection between the double clutch transmission \(DCT\) and the transfer box.
- [B280324](/bulletins/11006726.md), 2024-09-01, Service bulletin: POWER TRAIN. There is a “rattling/clattering” noise from the engine compartment area. The noise is mostly perceptible when driving past a wall with the side window of the driver's door open\(sound reflection\). The noise complaint can occur in the following situations: Constant\-speed driving on rough road surfaces: Speed range 5 \- 11 mph, 1st or 2nd gear, accelerator pedal position: lower partial load range Uphill driving: Driving off forwards in 1st gear, uphill Driving off backwards \(reverse gear\), uphill Downhill driving: Driving off in 1st gear, downhill Driving off in reverse, downhill Stopping on a hill: Driving off in 1st gear, uphill driving, then stopping Driving off in 1st gear, downhill driving, then stopping Driving in reverse, uphill driving, then stopping Driving in reverse, downhill driving, then stopping Overrun \(off throttle\)/traction \(engine brake\) and traction/overrun transitions \(throttle to off throttle,vice versa\): Speed range5 \- 11 mph, 1st or 2nd gear, accelerator pedal position: lower partial load range Speed range 0 to 2 mph, reverse gear, accelerator pedal position: lower partial load range Very slow speeds 0 –3 mph Driving off without pressing the accelerator pedal, with or without the brake applied: 0 to 3 mph Driving at a constant speed without pressing the accelerator pedal, with the brake applied: approx. 2mph Brake the vehicle to a full standstill
- [B280224](/bulletins/11006725.md), 2024-09-01, Service campaign: POWER TRAIN. Micro\-movements combined with frictional corrosion can increase wear on the longitudinal splinedconnection between the double clutch transmission \(DCT\) and the transfer box.
- [B280124](/bulletins/11006724.md), 2024-09-01, Service campaign: POWER TRAIN. Micro\-movements combined with frictional corrosion can increase wear on the longitudinal splinedconnection between the double clutch transmission \(DCT\) and the transfer box.
- [B280224](/bulletins/11005217.md), 2024-07-25, Service campaign: POWER TRAIN. Micro\-movements combined with frictional corrosion can increase wear on the longitudinal splinedconnection between the double clutch transmission \(DCT\) and the transfer box.

JSON: [/v1/bulletins/11012087](/v1/bulletins/11012087)

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