Question about 2002 BMW M3

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When driving my bmw m3 when in automatic it jumps out of gear and the gear box light comes on,took it for diagnostic check it came back saying shifting operation signal too small please help. thanks

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I have this problem with my m3 smg 2004 but wn i went to service and checked the car on the system thy said i have to change the SMG hydraulic control unit relay and i change and the problem stay with my car

Posted on Aug 30, 2009

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Hello there

first step is changing the gearbox oil. Ignore the dealer if he spurts out the words 'life time oil'

Hope this helps, please don't forget to rate me.

Posted on May 19, 2009

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Posted on Jan 02, 2017

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