Service bulletin B121021
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 | 10228426 |
| Published by NHTSA | 2023-01-03 |
| Manufacturer's number | B121021 |
| Manufacturer's date | 2022-11-01 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Due to an unfavorable operating point, primarily in the low-end torque range, an incorrect detection of amixture that is too rich could happen.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Transmission and driveline
| BMW 330E | 2021, 2022 |
|---|---|
| BMW 530E | 2019, 2020, 2021, 2022 |
| BMW X3 | 2020, 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B240323 | 2023-09-25. Service bulletin. ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start." |
|---|---|
| B240223 | 2023-07-24. Service bulletin. BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off. |
| B240223 | 2023-05-01. Service bulletin. BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off. |
| B260422 | 2023-03-20. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature. |
| B340122 | 2022-06-21. Service bulletin. When driving off from a standstill, a delayed or sluggish throttle response may be noticed sporadically. |
| B270122 | 2022-02-22. Service bulletin. DELIVERY STOP: REPLACE CONTROL UNIT TRANSFER CASE. Due to a production failure, the control unit was assembled with a capcitator instead of a resistor. |
| B610319 | 2021-07-06. Service bulletin. SERVICE ACTION: PROGRAM OR REPLACE DUAL STORAGE SYSTEM BATTERY: A software error intermittently causes a continuous resetting of the microcontroller in the power management system. This causes the red Check Control Message (CCM) "Replace Battery" to be illuminated. |
| B610120 | 2021-04-26. Service bulletin. ACCESSORIES DO NOT POWER UP FROM THE FRONT 12 V POWER SOCKET PLUG: Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. |
| B122716 | 2020-05-18. Service bulletin. DIAGNOSING NON FUNCTIONING eDRIVE: Vehicle will not go into "eDrive". No pertinent electric drivetrain fault codes to assist with diagnosis. "eDrive" may be greyed-out in the Central Information Display (CID) and is not selectable. MSA deactivation. 12 Volt battery failure. Intelligent Battery Sensor (IBS) failure. |
| B340517 | 2020-04-20. Service bulletin. TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: This Service Information Bulletin (Revision 3) replaces SI B34 05 17 dated September 2017. Ticking noise coming from front wheel while cornering without brakes applied noticeable at low speeds. The vehicle must be moving. See attached video V34 01 20 Note: For a similar noise heard when parking with the brakes applied refer to SIB 31 01 12. Microscopic movement of the contact interface between the inner brake disc and the wheel bearing flange on vehicles equipped with lightweight brake discs. |