BMW Z4 and Toyota Supra recalled in U.S. over headlight failure issues

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BMW of North America is recalling certain Z4 models and 2020 Toyota Supra units over the possibility of headlight control units failing and causing a loss of one or both of the headlights. The company suspects a total of 214 units to be affected.

According to the documents from NHTSA, the models include the Z4 sDrive30i, Z4 M40i, and of course, the 2020 Toyota Supra with 177 units suspected to be having a defective headlamp control unit. BMW will notify the owners and dealers to replace the control units free of charge. However, the owners may also contact the respective customer service numbers (1-800-525-7417 for BMW, 1-888-270-9371 for Toyota).

2020-Toyota-Supra-Detroit-DebutWhile the Z4 made its debut in August 2018 at the Pebble beach, its Japanese cousin Supra debuted in Detroit in January 2019.

The affected Z4 models were produced between July 16, 2019 – August 20, 2019, while the Supras were produced between July 15, 2019 – July 25, 2019.

One of the documents describes that the printed circuit board (PCB) of potentially affected headlamp control unit(s) may have experienced a process issue during supplier production. Specifically, during an alignment process of the PCBs, a centering pin may have inadvertently contained foreign object debris. This could cause the left and/or right headlamp(s) to experience a loss of function.

When this happens, it would affect the headlamp illumination and turn-signal functionality as well. A message in the instrument cluster alerts the driver and there’ll be an audible clicking sound regarding the turn signal.

2019-BMW-Z4_2Z4 M40i

The recall report mentions that BMW was informed by the headlamp control unit supplier of the possibility of the above issue on July 26, 2019, and BMW initiated an investigation. In October 2019, there were 10 cases of headlamp failure reported from Vehicle Distribution Centers and dealers. On Nov 20, 2019, BMW decided to conduct a voluntary safety recall.

Source: NHTSA

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