540i

163 service bulletins filed with NHTSA for this model year

• May 6, 2026ENGINEB010324

  The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.

• Oct 23, 2024STEERINGB660923

  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.

• 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, 2024VISIBILITY:POWER WINDOW DEVICES AND CONTROLSB510819

  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 8, 2024STEERINGB360121

  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.

• Jan 5, 2024ELECTRICAL SYSTEMB610524

  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.

• and 155 more

Source: NHTSA manufacturer communications (technical service bulletins).