TMC performance box help

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Manufactured from end of 2011

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Tom_90
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TMC performance box help

Post by Tom_90 » Tue May 15, 2018 5:57 pm

Hi all

I bought a tmc box for my 125i (b48 engine). Plugged it all in as per the instructions and this drivetrain error came up on the dash, is this normal?? I've since removed it and the error is still there.... any help greatly appreciated

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