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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: Suspension are shown. Show all

Bulletins, newest first
SIB0106222022-07-18. Service bulletin. SUSPENSION:FRONT:MACPHERSON STRUT; EQUIPMENT. Component specific limited warranty extension. This component-specific limited warranty extension applies to defects in materials or workmanship. This coverage is subject to the same vehicle eligibility requirements, limitations and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
B3405152020-12-21. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; EQUIPMENT; SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY. TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space.
B3101122020-09-14. Service bulletin. SUSPENSION. CRACKING NOISES FROM THE FRONTAXLE AREA WHILE TURNING THE WHEELS, WHEN STATION: 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.
B3405152018-05-21. Service bulletin. SUSPENSION:FRONT; SUSPENSION:FRONT:WHEEL BEARING. TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle when cornering, maneuvering, parking or pulling away from a parking space.
B3101122018-05-21. Service bulletin. WHEELS; SUSPENSION:FRONT; SUSPENSION:FRONT:WHEEL BEARING. CRACKING NOISES FROM THE FRONT AXLE AREA WHILE TURNING THE WHEELS, WHEN STATIONARY OR PARKING

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