BMW is recalling a touch over 50,000 models over a braking issue.
The car manufacturer has revealed that certain vehicles have been manufactured with engine management software that could damage the oil/vacuum pump which supplies vacuum for brake assistance. This could happen under specific engine start conditions such as pressing the engine start/stop button two times in rapid succession or depressing the brake pedal very briefly while pressing the engine start/stop button.
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BMW says starting the affected vehicles in these ways could result in a loss of brake assist but the issue will only appear after two or three full brake applications or approximately six partial brake applications.
The recall affects BMW M340i and M340i xDrive models produced between February 21, 2019 and July 28, 2020 (10,877 units), 2020-2021 BMW X4 M40i models built between September 3, 2019 and June 22, 2021 (4,134 units), 2020 BMW 540i/540i xDrive models built between June 11, 2019 and June 26, 2020 (5,375 units), 2021-2021 BMW 745Le eDrives built between February 11, 2019 and February 22, 2021 (470 units), 2020 BMW X3 M40i models built between August 16, 2019 and June 22, 2021 (14,006 units), 2019-2021 BMW Z4 M40i models built between February 21, 2019 and June 18, 2021 (2,151 units), and the 2020-2021 Toyota Supra built between February 06, 2019 and June 10, 2021 (13,014 units).
BMW has determined there have been approximately 29 warranty claims and 4 field reports that may be related to the issue.
Owners will be notified via First Class mail and instructed to take their vehicles to an authorized BMW / Toyota dealership to have the engine management software system updated free of charge. BMW will start to notify owners on October 1.
