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· Premium Member
2002 330 Ci
3,238 Posts
I had this intermittent issue with mine some time ago, almost two years ago, after I swapped my engine.

Did a flush and filter change.

It would come and go. Didn't affect driveability. So, I figured next fluid change I'll check the tcc Solenoid.

I did discover driving in "manual" mode the light never triggered from a tc slip fault.

Anyway, now the problem hasn't come back even in regular drive mode.

Either my solenoid started working fine again or the tc seal somehow re sealed itself.

Knock on wood it stays working fine now.

Like most said so far.... check the tcc solenoid out first.
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