Service bulletin B321119

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10190849
Published by NHTSA	2021-04-26
Manufacturer's number	B321119
Manufacturer's date	2021-03-01
NHTSA component	STEERING; AIR BAGS

NHTSA's summary

STEERING ASSISTANCE SPORADIC REDUCTION: The driver notices a reduction of steering assistance sporadically while in certain driving situations. Steering control is never lost when the reduction of assistance occurs.

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

Air bags, Steering

Vehicles listed
BMW I3	2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V720000	2017-11-16. AIR BAGS:FRONTAL
16V914000	2016-12-20. AIR BAGS
2016632	2016-12-15. Airbag
15V628000	2015-10-07. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
2015446	2015-10-05. Airbag
14V422000	2014-07-14. AIR BAGS:FRONTAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B010818	2024-02-01. Service bulletin. The Supplemental Restraint System’s (SRS) air bag warning lamp is illuminated, and the air bag control unit’s (ACSM4i) fault memory has stored one or both of the following fault codes: 930904 Airbag Driver 1st Stage: "Resistance too large” 93090A Airbag Driver 2nd Stage: “Resistance too large"
B321119	2021-02-01. Service bulletin. ?SPORADIC REDUCTION OF STEERING ASSISTANCE: The driver notices a reduction of steering assistance sporadically while in certain driving situations. Steering control is never lost when the reduction of assistance occurs.
B610920	2020-04-20. Service bulletin. CHECK CONTROL MESSAGES FOR BRAKE SUSPENSION AND AIR BAG SYSTEM MALFUNCTION: Multiple check control messages (CCM) can display for brake suspension and air bag system malfunction. The customer may also complain about any of the following: Engine can no longer be switched off Drive position (D) cannot be engaged on the gear selector switch (GWS) Reduction of steering assist After an engine emergency shut-off (either a prolonged long press; or 3 consecutive short presses of the Start/Stop button) and the vehicle going to sleep (identifiable by the lighting of the "Start/Stop button") everything resumes normal functionality and the CCM messages no longer appear.
B513016	2020-04-20. Service bulletin. TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin (Revision 4) replaces SI B51 30 16 dated March 2018. Trunk/tailgate may open when vehicle is locked Trunk/tailgate may open while the vehicle is in motion usually after stopping such as a traffic light etc. Vehicle key trunk/tailgate button may be accidentally pressed thus opening the tailgate.
B321119	2020-04-20. Service bulletin. SPORADIC REDUCTION OF STEERING ASSISTANCE: This Service Information Bulletin (Revision 1) replaces SI B32 11 19 dated October 2019. The driver notices a reduction of steering assistance sporadically while in certain driving situations. Steering control is never lost when the reduction of assistance occurs. The fault may self-correct for no obvious reason or be eliminated with a terminal change/key cycle. There is no Check Control (CC) message when the issue occurs. Unfavorable software in the Electric Power Steering (EPS).
B320214	2020-02-18. Service bulletin. Power-assisted Steering Intermittently Not Available at Engine Start-up: This Service Information Bulletin (Revision 1) replaces SI B32 02 14 dated November 2016. The power-assisted steering is unavailable at start up/drive readiness. No communication with the Electric Power Steering (EPS). Possible fault codes: Fault code Text D356A5 message fault (display of the check control driving dynamics 02 D: Disp_CC_DRDY_02) Timeout D359BF message fault (actual steering torque of the driver actuator ID: AVL_STMOM_DV_ACT) Timeout D356B6 message fault (display of the check control driving dynamics 02 ID: DISP_CC_DRDY_02) - Alive 480AB8 internal status management of the complete monitoring range CDA451 FlexRay message (actual steering torque of the driver actuator 49.0.2): missing CDA452 FlexRay message (actual force of the rack 49.0.2): missing D35B26 message fault (actual position of the EPS ID: AVL_PO_EPS) - Timeout D355C4 message fault (status of the electrical steering front axle ID: ST_EST) - Timeout 48083B Peripheral/functional error on the engine control unit interface Actual steering angle of the front axle; signal temporarily invalid D35COC message fault (actual force of the rack ID: AVL_FORC_GRD) - Timeout. Electric Power Steering (EPS).
B321119	2019-11-18. Service bulletin. SPORADIC REDUCTION OF STEERING ASSISTANCE. The driver notices a reduction of steering assistance sporadically while in certain driving situations. Steering control is never lost when the reduction of assistance occurs.
B121219	2019-06-24. Service bulletin. The electrical machine electronics (EME) Printed Circuit Board (PCB) may not have been produced to specifications. In the event that the EME detects this condition it will shut down high-voltage electrical power. A shut down of high-voltage electrical power would result in a loss of propulsion increasing the risk of a crash. However the 12-volt electrical power remains functional to support power steering and braking.
B651218	2019-02-25. Service bulletin. AIRBAG INDICATOR LIGHT REMAINS ON AFTER SEAT OCCUPANCY MAT REPLACEMENT. The airbag indicator light illuminates after replacing the CIS (Capacitive Interior Sensing) mat.
B511415	2018-12-10. Service bulletin. SI B51 14 15 Body Equipment March 2016 Technical Service This Service Information bulletin supersedes SI B51 14 15 dated May 2015. SUBJECT Grinding Noise from Steering Wheel When Turning. Customer complains of a noise from the steering wheel while driving. Due to insufficient gap, the steering column lower shroud rubs against the steering wheel.