Service bulletins for the 2012 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.
329 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Steering are shown. Show all
| B340414 | 2021-05-24. 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. |
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| B320616 | 2018-12-10. Service bulletin. STEERING. Troubleshooting intermittent Steering Assistance with Electric Power Steering (EPS). Intermittent steering assistance failure CAUSE The power supply of the EPS control unit. |
| 320113 | 2018-12-03. Service bulletin. STEERING. Squeaking Noises when Steering Wheel Is Turned. There are squeaking noises from the steering spindle when the steering wheel is turned. The steering spindle sleeve's plastic bearing is insufficiently lubricated or not lubricated at all. |
| 120912 | 2018-11-26. Service bulletin. STEERING. Intermittently, the engine idle speed may fluctuate up and down or cut off under any of the following circumstances, without any relevant faults stored in the DME memory: * While driving off throttle (coasting) and braking at speeds below approx. 10 mph * While idling, low-speed maneuvering such as parking, or if the steering is turned to the full-lock position Unfavorable DME software |
| B320716 | 2018-11-05. Service bulletin. STEERING. NO HEATING IN ALCANTARA STEERING WHEEL. The Alcantara steering wheel, which is used in Competition Edition, does not contain heating elements. |
| B661616 | 2018-11-05. Service bulletin. STEERING. BUZZING NOISE HEARD COMING FROM STEERING WHEEL. While driving at highway speeds, on older (worn) road surfaces, a buzzing noise is heard coming from the steering wheel. The Lane Departure Warning (LDW) vibration system |
| B310112 | 2018-07-16. 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.