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October 1, 2020 Service bulletin

TICKING NOISE FROM DRIVERS FOOTWELL DURING LIGHT BRAKING WHILE COASTING: A ticking sound can be heard from...

BMW technical service bulletin B341020 for 2019-2021 BMW 330I, 2021 BMW 430I and 2020-2021 BMW M340I and others.

Bulletin number
B341020
Component
Engine
Summary
TICKING NOISE FROM DRIVERS FOOTWELL DURING LIGHT BRAKING WHILE COASTING: A ticking sound can be heard from the drivers footwell while coasting with the engine OFF. The noise occurs when the pedal is slightly pressed with minimum force without the brake light being activated.

Owners of these vehicles have filed 100 complaints in the engine category.

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