Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published

JUL 10, 2019

NHTSA TSB #

10162421

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from BMW for this TSB. Call your local BMW dealer's service department & ask for a copy of TSB# 122011.

Summary

N54, N54T - Catalytic Converter Conversion Faults Stored. The Service Engine Soon (MIL) lamp could come on with one or both of the following faults stored in the DME: * 29F4: catalytic converter conversion - bank 1 * 29F5: catalytic converter conversion - bank 2 DME software diagnostic error.