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Service bulletins for the 2018 BMW 640i

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.

279 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
B3202232024-02-01. Service bulletin. STEERING. 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. STEERING. ?Unusual noises occur only when operating the steering column in the axial direction.
B3204202023-07-24. Service bulletin. STEERING. A groaning type noise is heard during the height adjustment.
B3204202023-05-01. Service bulletin. STEERING. A groaning type noise is heard during the height adjustment.
B6129222023-01-30. Service bulletin. STEERING. The saved steering column positions, vertical and horizontal, are not stored long term.
B6107212021-11-08. Service bulletin. STEERING. Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle,when turning the steering wheel.
B3404142021-05-24. Service bulletin. SERVICE BRAKES, AIR:DISC; STEERING: STEERING WHEEL/HANDLE BAR. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
B3204202020-11-23. Service bulletin. STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
B3204202020-11-16. Service bulletin. ELECTRICAL SYSTEM; STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
B3204202020-10-19. Service bulletin. STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
B0112192020-06-15. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; STEERING. FRONT GRILLE UPPER/LOWER ACTIVE AIR FLAPS - LTD WTY EXT TO 15 YEARS/150000: A check engine light or check control message is present for the active air flaps behind the kidney grilles. The potential component-related causes of these faults are a: 1. Mechanical issue with the linkage of the upper or lower active air flap; and/or an 2. Internal short circuit of the adjustment motor.
B1701182019-05-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT; STEERING. HEATER HOSE IS CONTACTING THE STEERING SHAFT This Service Information bulletin replaces SI B17 01 18 dated April 2018.
B1701182019-05-20. Service bulletin. ENGINE AND ENGINE COOLING; STEERING. HEATER HOSE IS CONTACTING THE STEERING SHAFT This Service Information bulletin replaces SI B17 01 18 dated April 2018.
B2701182018-12-03. Service bulletin. STEERING; ELECTRONIC STABILITY CONTROL (ESC). "?DYNAMIC STABILTY CONTROL WARNING ON WITH LIMITED POWER STEERING ASSIST This Service Information bulletin replaces SI B34 09 16 dated January 2017 What's New: ? This SIB is a complete revision of B34 09 16. Steering feels heavy (limited power assist) The Dynamic Stability Control (DSC) light and Service Engine Soon light may be on. The following message may be displayed in the Check Control (CC): * CCM 350 ""It is possible to continue to drive. All-wheel drive system."" * Other CC messages may be stored related to: Restraint system / lane change warning / distance information / pedestrian protection. One or both of the following faults are stored in the DSC: * D36500 - Message fault (xDrive actuator information, ID: XDRV_ACT_INFO) - Timeout * D356E4 - Message fault (status of distribution of the longitudinal torque on the front axle rear axle, ID: ST_REPAT_XTRQ_FTAX_BAX) - Timeout The following faults can also be stored in the DDE or DME: * DDE: CD95E0 - Message (ST_REPAT_XTRQ_FTAX_BAX, 19.3.4,FX), Timeout: Message (status of distribution of longitudinal torque of front axle rear axle) from longitudinal torque distribution failed * DME: CDA056 - FlexRay, message (status of distribution of longitudinal torque of front axle rear axle / xDrive actuator information, 19.3.4): missing Internal fault in the transfer case control unit (Longitudinal Torque Module - LMV). "
B3101122018-07-16. Service bulletin. STEERING; POWER TRAIN:AXLE ASSEMBLY. CRACKING NOISES FROM THE FRONT AXLE AREA WHILE TURNING THE WHEELS, WHEN STATIONARY OR PARKING: Cracking noises are heard from the front axle area while maneuvering at low speeds (e.g., parking lot maneuvers) or when turning the steering wheel while stationary.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.