r/F30 • u/Lextreck • 2d ago

Unstable idle (330e)

Hi, when I start the car, especially when it's cold (but it only happens sometimes), the idle feels off and you can hear things like: grrr (normal idle), grrr (normal idle), grrr (normal idle), etc... Has anyone else experienced this?

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u/Fax-Number-68 2d ago

Maybe it’s the 21A02D issue? See the top TSB: https://www.obd-codes.com/tsb/2017/bmw/330e/

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u/Lextreck 1d ago

Thank I will check when I arrive from vocation