WenmarOpen by Wenmar Pro

Service bulletin B320420

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)
TypeService bulletin
NHTSA id10239604
Published by NHTSA2023-07-24
Manufacturer's numberB320420
Manufacturer's date2023-06-01
NHTSA componentSTEERING

NHTSA's summary

A groaning type noise is heard during the height adjustment.

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

Steering

Vehicles listed
BMW 530E2018, 2019, 2020, 2021
BMW 530I2017, 2018, 2019, 2020, 2021
BMW 540D2018, 2019
BMW 540D2020
BMW 540I2017, 2018, 2019, 2020, 2021
BMW 640I2018, 2019
BMW 640I2020
BMW 740E2017, 2018, 2019
BMW 740I2017, 2018, 2019, 2020, 2021
BMW 740LI2016 to 2017
BMW 745E2020, 2021
BMW 750I2018, 2019
BMW 750LI2016 to 2021
BMW 840I2020, 2021
BMW ALPINA XB72021
BMW B7 ALPINA2018 to 2021
BMW M52018, 2019, 2020, 2021
BMW M550I2017
BMW M550I2018, 2019, 2020, 2021
BMW M760I2017, 2018, 2019, 2020, 2021
BMW M760LI2021
BMW M82020, 2021
BMW M8 GRAN COUPE2020
BMW M850I2019
BMW M850I2020, 2021
BMW M850XI2019
BMW X52019, 2020, 2021
BMW X62020, 2021
BMW X6 M2020
BMW X72019, 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
21V0310002021-01-29. STEERING:COLUMN
20V4340002020-07-28. STEERING:COLUMN; STEERING
19V6310002019-08-28. STEERING:RACK AND PINION:RACK

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
B6609232024-10-28. Service bulletin. The customer states that one or more of the following situations may occur: 1. The availability of the Steering and Lane Control Assistant is deteriorating, and/or that the function allows thevehicle to move from side to side within the lane markings. 2. The parking space detection is less effective or hardly ever receives any parking space recommendations fromthe PMA.
B3601212024-02-01. Service bulletin. At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.
B3202232024-02-01. Service bulletin. SITUATION Unusual noises occur only when operating the steering column in the axial direction. 1. A one-time thump sound at the start of movement Shortly after the steering column starts moving, retracting, or extending, a one-time thump noise is heard. See attached video V32 03 23 2. Humming noise while steering column extends in the axial direction. The sound is only heard when the steering column is extended, not when the steering column is retracted. When the steering column starts to move in the extended direction, the humming noise can be heard. See attached video V32 04 23
B3202232023-09-25. Service bulletin. ?Unusual noises occur only when operating the steering column in the axial direction.
B3204202023-05-01. Service bulletin. A groaning type noise is heard during the height adjustment.
B3201232023-05-01. Service bulletin. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
B6129222023-01-30. Service bulletin. The saved steering column positions, vertical and horizontal, are not stored long term.
B5117222022-12-12. Service bulletin. Due to the semiconductor supply, the Local Interconnect Network module in either of the exterior mirrors was switched to another controller. That one provides an imprecise voltage measurement, which the main controller interprets as a fault. For the driving cycle, the customer may lose the display in either mirror and the Lane Change Warning function and, if installed, other functions such as- Side collision warning; Lane Change Assistant; Steering and Lane Control Assistant; Emergency Lane Assistant Hands Off 60 Assistant.
B6615192022-05-16. Service bulletin. The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time.
B6624192022-01-24. Service bulletin. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.