# B2801 on the 2012 BMW 650i

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B2801

- [10149361](https://open.wenmarpro.com/bulletins/10149361), 2018-11-26: DCT Transmission: Oil Leakage Diagnosis. INFORMATION Incorrect diagnosis of DCT \(Double\-clutch Transmission\) oil leaks may lead to unnecessary part replacements and repeat customer repair visits. When diagnosing complaints related to DCT fluid leaks, please use the attached diagnostic procedure. WARRANTY INFORMATION Not applicable. ATTACHMENTS View PDF attachment B280114\_DCT\_Oil\_Leak\_Diagnosis. \[ Copyright \(c\)2014 BMW of North America, Inc. \] https://www.bmwtis.net/tiscode/cgi\-bin/bulletin.aspx?sie\_path=/tsb/bulletins/htm\_store/16672.2.B28011... 12/24/2014