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July 1, 2021 Service bulletin

When starting the vehicle vehicle at standstill, various yellow Check Control Messages CCMs appear

BMW technical service bulletin SIB340721 for 2019-2021 BMW X5, 2016-2019, 2021 BMW 750LI and 2021 BMW M3 and others.

Bulletin number
SIB340721
Component
Service brakes, hydraulic: power assist: hydraulic
Summary
When starting the vehicle vehicle at standstill, various yellow Check Control Messages CCMs appear. ID code 00042: Brake system. Additional notes: Avoid abrupt braking as far as possible. Drive at a moderate speed. Have it checked by your nearest Service Center. ID code 2046: Braking force assistance. Additional notes: Braking force assistance failure. Higher pedal force required for vehicle deceleration. Drive at a moderate speed. Have it checked by your nearest Service Center.

Owners of these vehicles have filed 42 complaints in the brakes category.

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