640i xDrive Gran Coupe

164 service bulletins filed with NHTSA for this model year

• Feb 11, 2026ELECTRICAL SYSTEMB720125

  A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL (Passenger Occupancy Light) light should now function correctly. In some cases, the Air bag Warning Light was illuminated, and the following Advanced Crash Safety Module (ACSM) fault is stored: 930A1C - Front pas

• May 2, 2024ENGINEB010324

  EVAP SYSTEM PURGE (VENT) VALVE EXT LTD WTY (ELW) 15/150

• Mar 14, 2024EXTERIOR LIGHTINGB630418

  One or more of the LED daytime running lights are dim or discolored.

• Mar 4, 2024ENGINE AND ENGINE COOLINGB120721

  Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damage

• Jan 16, 2024ELECTRICAL SYSTEMB510819

  The basic conditions for initializing the power windows are not met.

• Jan 11, 2024ELECTRICAL SYSTEMB611305

  The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.

• Jan 5, 2024EQUIPMENT:ELECTRICAL:INFOTAINMENTB610524

  The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 – “HU-H: Reset” will be stored in the HU-H3.

• Jan 5, 2024FUEL SYSTEM, GASOLINEB160123

  A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5mm For: Model vehicles other that the ones listed above, or for EVAP faults related to a “large leak,” after confirming that the fuel filler cap is fitted properly, then, proceed

• and 156 more

Source: NHTSA manufacturer communications (technical service bulletins).